7Baggers

SandRidge Energy, Inc.
(NYSE:SD) 

SD stock logo

SandRidge Energy, Inc. engages in the acquisition, development, and production of oil and natural gas primarily in the United States Mid-Continent. As of December 31, 2020, it holds interest in approximately 380,000 net leasehold acres in Oklahoma and Kansas, as well as total proved developed reserv...

Founded: 2006
Full Time Employees: 270
Sector: Energy
Industry: Oil & Gas E&P

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At a glance:
  • Balanced, Shareholder-Friendly Capital Return Approach: SandRidge Energy has emphasized returning capital to shareholders through a mix of special dividends and share repurchases, supported by a relatively lean operating model.
  • Small-Cap E&P with High Sensitivity to Commodity Prices: As a smaller upstream oil and gas producer, results and cash flows can swing meaningfully with changes in oil and natural gas prices, creating higher earnings volatility than larger peers.
  • Focus on Operational Discipline and Low-Cost Production: Management has highlighted cost control, efficient field operations, and disciplined capital spending as key levers to sustain margins and free cash flow across cycles.
  • Strong Liquidity and Conservative Balance Sheet Positioning: The company has generally maintained a conservative financial posture, aiming to preserve liquidity and limit leverage to remain flexible during commodity downturns.
Bull Thesis:
  • Sustained High Commodity Prices: A prolonged period of elevated crude oil and natural gas prices would significantly boost SandRidge Energy's revenue, cash flow, and profitability, given its existing production base. This would allow for accelerated debt reduction and potential shareholder returns.
  • Improved Operational Efficiency and Cost Control: Successful implementation of cost-cutting measures, enhanced operational efficiencies, and optimized drilling and completion techniques could lead to improved margins and free cash flow, even at moderate commodity price levels. This demonstrates strong internal management.
  • Further Debt Reduction and Balance Sheet De-risking: Continued efforts to reduce outstanding debt and strengthen the balance sheet would significantly de-risk the company, improve its financial flexibility, and potentially lead to a re-rating by the market, attracting more institutional investors.
  • Undervalued Asset Base and Production Potential: The market may be underestimating the value of SandRidge's existing proved developed producing (PDP) reserves and future drilling inventory in the Mid-Continent region. With improved capital allocation and commodity prices, these assets could generate substantial value.
Bear Thesis:
  • Weakening Oil and Natural Gas Prices: A significant and sustained decline in crude oil and natural gas prices would severely impact SandRidge Energy's revenue, cash flow, and profitability, potentially leading to losses, reduced capital expenditures, and financial distress.
  • Production Declines and Underinvestment: If the company struggles to maintain or grow its production levels due to insufficient capital investment, natural decline rates of existing wells, or operational challenges, future revenue and cash flow will suffer, impacting long-term viability.
  • Rising Operating Costs and Inflationary Pressures: Increasing costs for labor, materials, equipment, and services in the oilfield could erode SandRidge's profit margins, making it challenging to achieve profitability even with decent commodity prices. This could limit free cash flow generation.
  • Execution Risk and Historical Financial Volatility: SandRidge Energy has a history of financial restructuring and volatility. There's a risk that past operational or financial missteps could recur, or that the company may struggle to execute its strategic plans effectively in a challenging market environment.
  • Limited Scale and Diversification: As a smaller, focused E&P company primarily in the Mid-Continent, SandRidge is more susceptible to regional operational issues, specific commodity price swings, and lacks the diversification and economies of scale enjoyed by larger industry players.
Main Competitors:
  • Continental Resources, Inc. (Crude oil, natural gas, NGLs (E&P)), Although taken private, Continental Resources remains a significant operational competitor in the Mid-Continent region, particularly in Oklahoma's SCOOP/STACK plays. It competes directly with SandRidge for drilling locations, mineral leases, oilfield services, and market share of produced hydrocarbons.
  • Devon Energy Corporation ($DVN) (Crude oil, natural gas, NGLs (E&P)), A larger independent E&P company with substantial operations in the Anadarko Basin (Oklahoma), Permian Basin, and Eagle Ford. Devon competes for high-quality acreage, drilling and completion services, capital, and talent, often leveraging its scale advantage in operational efficiency and access to capital markets.
  • Marathon Oil Corporation ($MRO) (Crude oil, natural gas, NGLs (E&P)), Operates a diversified portfolio of U.S. resource plays, including a presence in Oklahoma, the Permian Basin, Eagle Ford, and Bakken. Marathon Oil competes for capital, operational efficiencies, and market share of produced hydrocarbons, often having a broader geographic footprint and financial resources.
  • Ovintiv Inc. ($OVV) (Crude oil, natural gas, NGLs (E&P)), A major North American E&P company with significant operations in the Anadarko Basin (Oklahoma), Montney, and Permian. Ovintiv competes for prime drilling inventory, access to infrastructure, and cost-effective development strategies, often with a focus on large-scale, multi-well pad development.
Moat:
SandRidge Energy operates in a highly competitive and capital-intensive industry. Its primary 'moat' lies in its established, low-decline asset base and operational expertise within its core Mid-Continent focus area, particularly in Oklahoma. Competition is fierce, coming from a wide array of public and private exploration and production companies that vie for attractive drilling locations, mineral leases, oilfield services, and investor capital. Larger competitors often benefit from economies of scale, diversified portfolios, and greater access to capital markets, which can put smaller players like SandRidge at a disadvantage during commodity price downturns or periods of high service costs. The company's ability to maintain a low-cost structure and optimize production from its existing assets is crucial for its competitive standing.
Income Statements:
Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-10-02 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-06-20 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 
                                                                                 
      revenues
                                                                                 
      oil, natural gas and ngl
    49,777,000 39,400,000 39,822,000 34,531,000 42,604,000 38,973,000 30,057,000 25,977,000 30,283,000 33,926,000 38,149,000 33,419,000 43,147,000 56,112,000 70,899,000 69,760,000 57,487,000 54,479,000 46,584,000 34,196,000 33,623,000 30,316,000 27,547,000 16,448,000 40,139,000 59,672,000 58,188,000 75,196,000 73,048,000 84,965,000 97,491,000 79,304,000 86,966,000 92,975,000 80,540,000 84,546,000 98,149,000  -181,664,000 99,934,000 95,662,000 84,375,000 132,035,000 165,135,000 214,532,000 195,732,000 316,044,000 359,613,000 339,906,000 405,316,000                            
      total revenues
    49,777,000 39,400,000 39,822,000 34,531,000 42,604,000 38,973,000 30,057,000 25,977,000 30,283,000 33,926,000 38,149,000 33,419,000 43,147,000 56,112,000 70,899,000 69,760,000 57,487,000 54,479,000 46,584,000 34,196,000 33,623,000 30,316,000 27,676,000 16,655,000 40,329,000 59,852,000 58,369,000 75,388,000 73,236,000 85,145,000 97,660,000 79,462,000 87,128,000 93,206,000 80,892,000 84,851,000 98,350,000  -195,353,000 104,056,000 99,421,000 90,332,000 143,642,000 180,152,000 229,607,000 215,308,000 346,881,000 394,107,000 374,714,000 443,056,000 465,108,000 493,603,000 512,987,000 511,690,000 1,338,098,000 532,798,000 478,434,000 381,635,000 373,838,000 363,753,000 364,774,000 312,848,000 293,069,000 245,233,000 182,439,000 210,994,000 163,077,000 134,855,000 134,099,000 134,099,000 159,013,000 200,655,000 334,023,000 378,050,000 269,086,000 215,677,000 153,648,000 
      yoy
    16.84% 1.10% 32.49% 32.93% 40.69% 14.88% -21.21% -22.27% -29.81% -39.54% -46.19% -52.09% -24.94% 3.00% 52.20% 104.00% 70.98% 79.70% 68.32% 105.32% -16.63% -49.35% -52.58% -77.91% -44.93% -29.71% -40.23% -5.13% -15.94% -8.65% 20.73% -6.35% -11.41%  -141.41% -18.46% -1.08%  -236.00% -42.24% -56.70% -58.05% -58.59% -54.29% -38.72% -51.40% -25.42% -20.16% -26.95% -13.41% -65.24% -7.36% 7.22% 34.08% 257.94% 46.47% 31.16% 21.99% 27.56% 48.33% 99.94% 48.27% 79.71% 81.85% 36.05% 57.34% 2.56% -32.79% -59.85% -64.53% -40.91% -6.97% 117.39%     
      qoq
    26.34% -1.06% 15.32% -18.95% 9.32% 29.66% 15.71% -14.22% -10.74% -11.07% 14.15% -22.55% -23.11% -20.86% 1.63% 21.35% 5.52% 16.95% 36.23% 1.70% 10.91% 9.54% 66.17% -58.70% -32.62% 2.54% -22.58% 2.94% -13.99% -12.81% 22.90% -8.80% -6.52% 15.22% -4.67% -13.73%   -287.74% 4.66% 10.06% -37.11% -20.27% -21.54% 6.64% -37.93% -11.98% 5.18% -15.43% -4.74% -5.77% -3.78% 0.25% -61.76% 151.15% 11.36% 25.36% 2.09% 2.77% -0.28% 16.60% 6.75% 19.51% 34.42% -13.53% 29.38% 20.93% 0.56% 0.00% -15.67% -20.75% -39.93% -11.65% 40.49% 24.76% 40.37%  
      expenses
                                                                                 
      lease operating expenses
    10,787,000 7,807,000 10,911,000 6,556,000 10,917,000 11,278,000 9,104,000 8,738,000 10,892,000 9,916,000 11,450,000 8,802,000 11,694,000 11,219,000 9,693,000 9,512,000 10,862,000 9,733,000 9,080,000 9,232,000 7,954,000 11,022,000 8,069,000 8,698,000 15,642,000 19,217,000 23,866,000 25,076,000 22,779,000                                                 
      production, ad valorem, and other taxes
    3,021,000 2,434,000 2,155,000 2,158,000 3,099,000 1,230,000 1,813,000 1,841,000 1,896,000 2,348,000 2,031,000 2,740,000 3,751,000 2,203,000 4,768,000 4,799,000 4,110,000 2,989,000 2,219,000 2,534,000 2,176,000 2,248,000 2,333,000 1,854,000 3,199,000 4,091,000 4,346,000 5,877,000 5,080,000                                                 
      depreciation and depletion — oil and natural gas
    9,820,000 6,526,500 9,400,000 8,290,000 8,416,000 4,192,750 8,345,000 4,350,000 4,076,000 2,853,750 4,217,000 3,744,000 3,454,000 2,079,500 3,091,000 2,826,000 2,401,000 1,697,500 2,092,000 2,193,000 2,505,000 11,432,000 7,525,000 13,348,000 24,855,000 28,688,750 38,871,000 39,419,000 36,465,000 23,012,000 33,090,000                        98,113,000 166,126,000 139,260,000 87,066,000 89,816,000 86,725,000 76,186,000 73,886,000 77,501,000 91,237,000 54,319,000 52,278,000            
      depreciation and amortization — other
    1,623,000 1,213,250 1,638,000 1,612,000 1,603,000 1,236,750 1,605,000 1,664,000 1,678,000 1,217,500 1,637,000 1,615,000 1,618,000 1,180,000 1,582,000 1,563,000 1,575,000 1,120,500 1,513,000 1,475,000 1,494,000 1,517,750 1,698,000 1,739,000 2,634,000 2,227,500 2,981,000 2,986,000 2,943,000 2,307,250 3,036,000                        11,589,250 16,497,000 15,348,000 14,513,000 13,712,000 13,551,000 13,275,000 13,093,000                
      general and administrative
    2,988,000 3,583,000 2,737,000 3,028,000 3,853,000 3,009,000 2,304,000 3,050,000 3,332,000 2,731,000 2,619,000 2,476,000 2,909,000 2,366,000 2,382,000 2,171,000 2,530,000 2,834,000 2,229,000 2,522,000 2,090,000 3,037,000 2,493,000 4,314,000 5,483,000 5,797,000 6,238,000 10,084,000 9,939,000 8,050,000 9,251,000 10,343,000 14,022,000 12,025,000 20,292,000 23,769,000 19,938,000  -124,610,000 29,145,000 31,024,000 74,278,000 28,951,000 34,233,000 38,382,000 36,149,000 27,876,000 24,584,000 31,102,000 38,538,000 -84,755,000 39,970,000 173,261,000 79,444,000 82,884,000 46,781,000 61,716,000 50,301,000 40,279,000 36,272,000 37,678,000 34,414,000 52,146,000 61,878,000 33,865,000 31,674,000 23,133,000 25,006,000 23,632,000 23,632,000 28,485,000 32,940,000 29,235,000 26,203,000 20,994,000 15,999,000 20,421,000 
      restructuring expenses
    146,000 303,000 305,000 412,000 40,000 133,000 260,000 81,000  63,000 42,000 262,000 39,000 -336,000 76,000 433,000 209,000 178,000 -1,696,000 256,000 2,054,000 1,090,000 1,199,000 444,000                                                      
      loss on derivative contracts
    3,526,000 -1,827,000 -2,364,000 -6,059,000 2,487,000 1,118,000 -1,866,000      -1,447,000 -2,781,000 -4,258,000  1,064,000 -1,878,000 4,129,000   -1,792,000 5,299,000 -2,241,000 -10,226,000 453,000 -1,756,000  209,000 -42,608,000 11,329,000 30,104,000 18,330,000 21,934,000 11,702,000 -23,543,000   1,205,750 -338,000 7,969,000    33,004,000 -49,827,000 -329,219,000 -132,575,000  42,491,000    40,897,000    254,646,000              1,021,500 -292,526,000 159,768,000 136,844,000   
      other operating expense
    10,000     1,348,000  33,000 -9,000 -5,000 -31,000 -27,000     -64,000 -67,000 -202,000 -65,000 -48,000 -63,000 -116,000 108,000 277,000 -750,000 23,000 37,000 82,000 345,000 -105,000  16,000 33,750 -132,000 -1,000 268,000                                         
      total expenses
    31,921,000 24,213,000 24,782,000 15,997,000 30,415,000 28,877,000 21,565,000 19,757,000 21,865,000 20,943,000 21,965,000 19,612,000 21,943,000 17,558,000 17,309,000 21,253,000 22,687,000 17,962,000 20,125,000 18,147,000 -1,439,000 27,627,000 75,727,000 232,041,000 53,088,000 308,095,000 240,076,000 87,944,000 77,497,000 32,298,000 85,230,000 113,147,000 129,095,000 111,436,000 97,159,000 61,503,000 47,570,000  -765,211,000 461,394,000 374,731,000 363,887,000 1,103,048,000 1,239,885,000 1,764,690,000 1,303,764,000 -27,103,000 137,616,000 324,180,000 517,065,000 367,129,000 487,515,000 426,529,000 871,216,000 1,547,788,000 608,669,000 -283,979,000 533,291,000 713,295,000 -332,829,000 85,058,000 520,676,000 421,047,000 332,663,000 62,987,000 121,824,000 551,605,000 185,084,000 184,086,000 184,086,000 1,275,293,000 1,865,483,000 -67,264,000 389,845,000 331,897,000 167,162,000 93,932,000 
      income from operations
    17,856,000 15,187,000 15,040,000 18,534,000 12,189,000 10,096,000 8,492,000 6,220,000 8,418,000 12,983,000 16,184,000 13,807,000 21,204,000 38,554,000 53,590,000 48,507,000 34,800,000 36,517,000 26,459,000 16,049,000 35,062,000 2,689,000 -48,051,000 -215,386,000 -12,759,000 -248,243,000 -181,707,000 -12,556,000 -4,261,000 52,847,000 12,430,000 -33,685,000 -41,967,000 -18,230,000 -16,267,000 23,348,000 50,780,000  569,858,000 -357,338,000 -275,310,000 -273,555,000 -959,406,000 -1,059,733,000 -1,535,083,000 -1,088,456,000 373,984,000 256,491,000 50,534,000 -74,009,000 97,979,000 6,088,000 86,458,000 -359,526,000 -209,690,000 -75,871,000 762,413,000 -151,656,000 -339,457,000 696,582,000 279,716,000 -207,828,000 -127,978,000 -87,430,000 119,452,000 89,170,000 -388,528,000 -50,229,000 -49,987,000 -49,987,000 -1,116,280,000 -1,664,828,000 401,287,000 -11,795,000 -62,811,000 48,515,000 59,716,000 
      yoy
    46.49% 50.43% 77.11% 197.97% 44.80% -22.24% -47.53% -54.95% -60.30% -66.33% -69.80% -71.54% -39.07% 5.58% 102.54% 202.24% -0.75% 1258.01% -155.06% -107.45% -374.80% -101.08% -73.56% 1615.40% 199.44% -569.74% -1561.84% -62.73% -89.85% -389.89% -176.41% -244.27% -182.64%  -102.85% -106.53% -118.44%  -159.40% -66.28% -82.07% -74.87% -356.54% -513.17% -3137.72% 1370.71% 281.70% 4113.06% -41.55% -79.41% -146.73% -108.02% -88.66% 137.07% -38.23% -110.89% 172.57% -27.03% 165.25% -896.73% 134.17% -333.07% -67.06% 74.06% -338.97% -278.39% -65.19% -96.98% -112.46% 323.80% 1677.20% -3531.57% 571.99%     
      qoq
    17.57% 0.98% -18.85% 52.06% 20.73% 18.89% 36.53% -26.11% -35.16% -19.78% 17.22% -34.88% -45.00% -28.06% 10.48% 39.39% -4.70% 38.01% 64.86% -54.23% 1203.90% -105.60% -77.69% 1588.11% -94.86% 36.62% 1347.17% 194.67% -108.06% 325.16% -136.90% -19.73% 130.21% 12.07% -169.67% -54.02%   -259.47% 29.79% 0.64% -71.49% -9.47% -30.97% 41.03% -391.04% 45.81% 407.56% -168.28% -175.54% 1509.38% -92.96% -124.05% 71.46% 176.38% -109.95% -602.73% -55.32% -148.73% 149.03% -234.59% 62.39% 46.38% -173.19% 33.96% -122.95% 673.51% 0.48% 0.00% -95.52% -32.95% -514.87% -3502.18% -81.22% -229.47% -18.76%  
      operating margin %
    35.87% 38.55% 37.77% 53.67% 28.61% 25.91% 28.25% 23.94% 27.80% 38.27% 42.42% 41.31% 49.14% 68.71% 75.59% 69.53% 60.54% 67.03% 56.80% 46.93% 104.28% 8.87% -173.62% -1293.22% -31.64% -414.76% -311.31% -16.66% -5.82% 62.07% 12.73% -42.39% -48.17% -19.56% -20.11% 27.52% 51.63%  -291.71% -343.41% -276.91% -302.83% -667.91% -588.24% -668.57% -505.53% 107.81% 65.08% 13.49% -16.70% 21.07% 1.23% 16.85% -70.26% -15.67% -14.24% 159.36% -39.74% -90.80% 191.50% 76.68% -66.43% -43.67% -35.65% 65.48% 42.26% -238.25% -37.25% -37.28% -37.28% -702.01% -829.70% 120.14% -3.12% -23.34% 22.49% 38.87% 
      other income
     37,000 -3,000 -3,000  -308,000  83,000 9,000 -1,000 31,000 2,000 55,000 143,000 147,000 12,000 76,000 344,000 2,396,000 287,000 28,000 -2,499,000 -129,000 58,000 76,000 66,000 827,000 -26,000 -431,000 1,893,000 -118,000 217,000 873,000 328,000 197,000 1,055,000 970,000  1,412,000 -898,000 2,077,000 153,000 832,000 -426,000 2,170,000 -536,000 331,000 -273,000 1,338,000 2,094,000 11,282,000 658,000 -106,000 611,000 1,112,000 1,242,000 -81,000 2,468,000 2,460,000 -672,000 138,000 1,197,000 496,000 1,356,000 -530,000 1,236,000 7,172,000 -1,144,000 483,000 483,000 760,000 598,000 -83,000 955,000    
      interest income
    814,000 884,000 916,000 1,027,000 860,000 1,002,000 1,553,000 2,491,000 2,698,000 2,770,000 2,455,000 2,828,000 2,499,000                                              146,000 51,000 38,000 5,000 60,000 69,000 98,000 69,000 88,000 89,000 188,000 188,000 11,000 501,000 923,000 1,333,000 796,000 1,222,000 575,000 
      total other income
    814,000 921,000 913,000 1,024,000 860,000 694,000 1,553,000 2,574,000 2,707,000 2,769,000 2,486,000 2,830,000 2,554,000 2,144,000 135,000 -15,000 -76,000 327,000 2,140,000 203,000 -19,000 -2,844,000 -698,000   -899,000 105,000 -728,000 -1,016,000   -434,000 1,076,000   109,000 31,000  329,632,000 -46,995,000   175,478,000 263,273,000     -60,525,000 -59,949,000 -50,498,000 -60,727,000 -61,265,000 -167,304,000 -86,578,000 -83,708,000 55,796,000 -64,497,000 -54,795,000 -59,624,000 -63,600,000 -94,422,000 -57,193,000 -62,216,000 -64,691,000 -60,784,000 -42,070,000 -53,663,000 -41,548,000 -41,548,000 -39,743,000 -57,466,000 -40,248,000 -19,395,000 -24,352,000 -25,763,000 -26,876,000 
      income before income taxes
    18,670,000 16,108,000 15,953,000 19,558,000 13,049,000 10,790,000 10,045,000 8,794,000 11,125,000 15,752,000 18,670,000 16,637,000 23,758,000 40,698,000 53,725,000 48,492,000 34,724,000 36,844,000 28,599,000 16,252,000 35,043,000 -155,000 -48,749,000 -215,775,000 -13,320,000 -249,142,000 -181,602,000 -13,284,000 -5,277,000 54,179,000 11,685,000 -34,119,000 -40,891,000 -19,013,000 -16,942,000 23,457,000 50,811,000  899,490,000 -404,333,000 -515,908,000 -313,222,000 -783,928,000 -796,460,000 -1,588,706,000 -1,151,834,000 313,895,000 196,435,000 -9,991,000 -133,958,000 47,481,000 -54,639,000 25,193,000 -526,830,000 -296,268,000 -159,579,000 818,209,000 -216,153,000 -394,252,000 636,958,000 216,116,000 -302,250,000 -185,171,000 -149,646,000 54,761,000             
      income tax expense
         -3,859,750 -15,439,000               -161,500  4,000         3,000 -253,000 -8,457,000 -42,000 3,000  2,750 4,000 3,000 4,000 33,000 25,000 25,000 40,000 -162,000 -1,064,000  127,000    4,429,000    71,000    88,000          22,327,000 130,693,000 -10,847,000  8,522,000 11,920,000 
      net income
    18,670,000 21,643,000 15,953,000 19,558,000 13,049,000 17,583,000 25,484,000 8,794,000 11,125,000 1,792,000 18,670,000 16,637,000 23,758,000 105,227,000 53,725,000 48,492,000 34,724,000 36,844,000 28,599,000 16,252,000 35,043,000 -155,000 -48,749,000 -215,779,000 -12,670,000 -249,142,000 -181,602,000 -13,284,000 -5,277,000 54,178,000 11,715,000 -34,074,000 -40,894,000 -18,760,000 -8,485,000 23,499,000 50,808,000  899,492,000 -404,337,000 -515,911,000 -313,226,000 -783,961,000 -796,485,000 -1,588,731,000 -1,151,874,000 314,057,000 197,499,000 -8,797,000 -134,085,000 49,097,000 -57,002,000 24,685,000 -531,259,000 -299,320,000 -159,752,000 921,867,000 -216,224,000 -394,448,000 636,004,000 223,170,000 -302,338,000 -195,577,000 307,602,000 54,611,000 28,374,000 -425,996,000 -101,312,000 -91,170,000 -91,170,000 -1,154,854,000 -1,594,658,000 230,346,000 -20,343,000 -56,625,000 14,230,000 20,920,000 
      yoy
    43.08% 23.09% -37.40% 122.40% 17.29% 881.19% 36.50% -47.14% -53.17% -98.30% -65.25% -65.69% -31.58% 185.60% 87.86% 198.38% -0.91% -23870.32% -158.67% -107.53% -376.58% -99.94% -73.16% 1524.35% 140.10% -559.86% -1650.17% -61.01% -87.10% -388.80% -238.07% -245.00% -180.49%  -100.94% -105.81% -109.85%  -214.74% -49.23% -67.53% -72.81% -349.62% -503.29% 17959.92% 759.06% 539.67% -446.48% -135.64% -74.76% -116.40% -64.32% -97.32% 145.70% -24.12% -125.12% 313.08% -28.48% 101.68% 106.76% 308.65% -1165.55% -54.09% -403.62% -159.90% -131.12% -63.11% -93.65% -139.58% 348.16% 1939.48% -11306.31% 1001.08%     
      qoq
    -13.74% 35.67% -18.43% 49.88% -25.79% -31.00% 189.79% -20.95% 520.81% -90.40% 12.22% -29.97% -77.42% 95.86% 10.79% 39.65% -5.75% 28.83% 75.97% -53.62% -22708.39% -99.68% -77.41% 1603.07% -94.91% 37.19% 1267.07% 151.73% -109.74% 362.47% -134.38% -16.68% 117.99% 121.10% -136.11% -53.75%   -322.46% -21.63% 64.71% -60.05% -1.57% -49.87% 37.93% -466.77% 59.02% -2345.07% -93.44% -373.10% -186.13% -330.92% -104.65% 77.49% 87.37% -117.33% -526.35% -45.18% -162.02% 184.99% -173.81% 54.59% -163.58% 463.26% 92.47% -106.66% 320.48% 11.12% 0.00% -92.11% -27.58% -792.29% -1232.31% -64.07% -497.93% -31.98%  
      net income margin %
    37.51% 54.93% 40.06% 56.64% 30.63% 45.12% 84.79% 33.85% 36.74% 5.28% 48.94% 49.78% 55.06% 187.53% 75.78% 69.51% 60.40% 67.63% 61.39% 47.53% 104.22% -0.51% -176.14% -1295.58% -31.42% -416.26% -311.13% -17.62% -7.21% 63.63% 12.00% -42.88% -46.94% -20.13% -10.49% 27.69% 51.66%  -460.44% -388.58% -518.92% -346.75% -545.77% -442.12% -691.93% -534.99% 90.54% 50.11% -2.35% -30.26% 10.56% -11.55% 4.81% -103.82% -22.37% -29.98% 192.68% -56.66% -105.51% 174.85% 61.18% -96.64% -66.73% 125.43% 29.93% 13.45% -261.22% -75.13% -67.99% -67.99% -726.26% -794.73% 68.96% -5.38% -21.04% 6.60% 13.62% 
      net income per share
                                                                                 
      basic
    0.51 0.59 0.44 0.53 0.35 0.48 0.69 0.24 0.3 0.05 0.51 0.45 0.64 2.86 1.46 1.32 0.95 1.01 0.78 0.45 0.97                                                         
      diluted
    0.5 0.58 0.43 0.53 0.35 0.47 0.69 0.24 0.3 0.05 0.5 0.45 0.64 2.83 1.45 1.3 0.94 0.98 0.77 0.44 0.94                                                         
      weighted-average number of common shares outstanding
                                                                                 
      basic
    36,770 36,773 36,671 36,661 37,041 37,106 37,134 37,083 37,042 36,939 36,969 36,892 36,859 36,745 36,797 36,699 36,635 36,393 36,577 36,416 36,156 35,689 35,783 35,611 35,551 35,427 35,491 35,356 35,322 35,057 35,308 35,017 34,575 32,442 34,290 34,076 26,801  18,967 718,373 718,102 689,784 521,936 526,388 495,153 478,165 479,644 485,458 485,318 484,798 481,148 483,582 479,154 477,826 453,595 476,037 461,008 400,597 398,851 399,270 398,435 398,251 291,869 361,687 209,161 209,145 175,005 178,069 174,154 174,154 163,321 155,619 163,020 155,204 141,044 108,828 107,554 
      diluted
    36,992 36,908 36,708 36,677 37,080 37,188 37,180 37,158 37,134 37,134 37,161 37,097 37,110 37,154 37,150 37,185 37,019 37,271 36,996 37,345 37,439 35,689 35,783 35,611 35,551 35,427 35,491 35,356 35,322 35,057 35,330 35,017 34,575 32,663 34,290 34,138 26,801  18,967 718,373 718,102 689,784 521,936 526,388 495,153 478,165 499,743 575,911 485,318 484,798 481,148 483,582 479,154 477,826 456,015 476,037 560,640 400,597 406,645 497,700 495,982 398,251 315,349 419,137 261,605 209,932 175,005 178,069 174,154 174,154 163,321 155,619 164,554 155,204 141,044 110,041 109,049 
      employee termination benefits
                19,000        49,000 2,000 3,184,000 1,993,000 3,254,000 327,000  4,465,000  4,000 23,000 1,043,000 31,587,000              -53,000 5,000 813,000                             
      gain on derivative contracts
             -361,750                           -34,183,000     -2,808,000 -14,758,500 -42,211,000     85,292,000  -22,928,000 132,808,000 -103,654,000  -55,426,750 193,497,000      277,628,000 165,250,000 67,195,000  -61,952,000 -7,805,000 47,933,000 18,992,000 18,992,000      -13,807,000 -39,247,000 
      other operating income
                -94,000 -35,000 -25,000 -51,000                -1,254,000                                              
      loss on sale of assets
                      761,000  -19,713,000                  -698,500 416,000   -606,000 6,771,000 -2,770,000  988,000 -995,000   99,591,000 539,000  398,174,000           388,000      180,000    23,000   
      interest expense
                 -47,750 -12,000 -27,000 -152,000 -17,000 -256,000 -84,000 -47,000 -345,000 -569,000 -447,000 -637,000 -965,000 -722,000 -702,000 -585,000 -561,000 -627,000 -651,000 -948,000 -1,111,000 -872,000 -946,000 -939,000  125,727,000 -3,343,000 -41,605,000 -81,151,000 -107,852,000 -77,000,000 -73,727,000 -62,842,000 -60,420,000 -59,783,000 -61,863,000 -62,043,000 -61,780,000 -61,385,000 -61,159,000 -85,910,000 -85,921,000 -81,894,000 -68,569,000 -66,965,000 -57,401,000 -59,003,000 -61,725,000 -59,443,000 -57,749,000 -63,641,000 -64,259,000 -62,089,000 -49,323,000 -53,201,000 -42,419,000 -42,419,000 -40,748,000 -58,606,000 -41,026,000 -22,223,000 -25,172,000 -28,555,000 -28,522,000 
      gain on sale of assets
                                            -1,330,000 -1,880,000    -1,904,000   36,000      -666,000 375,000 300,000 3,080,000    -201,000     60,000 9,000 26,170,000 26,170,000  -142,000 -1,420,000 -7,734,000  -426,000 -1,045,000 
      other
                          129,000 207,000 190,000 180,000 181,000 192,000 188,000 180,000 169,000 158,000 162,000 231,000 352,000 305,000 201,000  -802,000 232,000 281,000 438,000 1,540,000 1,607,000 1,228,000 967,000 1,077,000 1,224,000 1,082,000 2,750,000 3,805,000 3,619,000 4,176,000 3,271,000 3,316,000 6,078,000 6,192,000 2,655,000 3,343,000 4,661,000 7,813,000 2,614,000 8,004,000 6,702,000 5,945,000 7,661,000 6,570,000 8,176,000 6,242,000 6,242,000 5,421,000 4,512,000 4,485,000 4,471,000 4,856,000 4,718,000 4,828,000 
      impairment
                         2,602,000 44,043,000 201,784,000 7,970,000 244,067,000 165,507,000      4,170,000 544,000 498,000 446,000 2,531,000  -399,107,000 354,451,000 253,629,000 110,114,000 886,844,000 1,074,588,000 1,489,391,000 1,083,866,000 24,802,000 54,000 3,133,000 164,779,000 9,950,000 687,000 15,643,000              402,732,000    1,304,418,000       
      loss per share
                                                                                 
      basic
                         0.01 -1.36 -6.06 -0.36   -0.38 -0.15          -0.44 -0.56 -0.73 -0.47   -2.78 -2.19   -0.08 -0.29    -1.03    -0.58                    
      diluted
                         0.01 -1.36 -6.06 -0.36   -0.38 -0.15          -0.44 -0.56 -0.73 -0.47   -2.78 -2.19   -0.08 -0.29    -1.03    -0.58                    
      total other expense
                           -389,000 -561,000     -25,750 -745,000   -133,750 -675,000      -240,598,000 -39,667,000   -53,623,000 -63,378,000 -60,089,000 -60,056,000                              
      income tax benefit
                            -650,000     -18,000 -30,000 -45,000                   -1,616,000 2,363,000 508,000  3,052,000 173,000 -103,658,000  196,000 954,000   10,406,000 -457,248,000 150,000 12,000   -365,000 -365,000 -1,169,000    -30,538,000   
      accelerated vesting of employment compensation
                                                                                 
      proxy contest
                                  -459,000 7,191,000                                              
      gain on extinguishment of debt
                                    1,151,000      10,294,750  -152,000 41,331,000 282,498,000 340,699,000 17,934,000                                 
      earnings per share
                                                                                 
      basic
                             -7.02 -5.12   1.55 0.33 -0.97 -1.18 -0.62 -0.25 0.69 1.9              0.01 -0.18 -0.07  -0.69 -0.39 1.75  -0.98 1.41 0.49 -0.79 -0.89 0.82 0.21             
      diluted
                             -7.02 -5.12   1.55 0.33 -0.97 -1.18 -0.62 -0.25 0.69 1.9              0.01 -0.18 -0.07  -0.62 -0.39 1.47  -0.84 1.16 0.42 -0.79 -0.72 0.73 0.2             
      production
                                 23,776,000 23,429,000 20,785,000 24,713,000 25,731,000 26,765,000 25,209,000 25,023,000  -104,611,000 39,640,000 42,686,000 47,282,000 64,543,000 72,884,000 81,776,000 89,498,000 89,615,000 82,664,000 58,498,000 98,535,000 150,798,000 116,317,000 116,811,000 132,501,000 134,330,000 137,033,000 122,481,000 83,310,000 80,506,000 86,580,000 81,834,000 73,957,000 65,496,000 66,086,000 56,009,000 50,272,000 40,906,000 41,350,000 41,450,000 41,450,000 45,579,000 43,492,000 41,070,000 40,254,000 34,188,000 28,485,000 28,689,000 
      production taxes
                                 4,745,000 5,636,000 4,389,000 4,700,000 4,209,000 3,606,000 2,653,000 3,176,000  -3,464,000 2,278,000 2,121,000 1,708,000 2,892,000 3,652,000 4,382,000 4,514,000 7,704,000 8,380,000 7,840,000 7,807,000 7,473,000 8,816,000 6,564,000 9,439,000 10,988,000 12,967,000 11,001,000 12,254,000 12,459,000 10,368,000 12,666,000 10,575,000 10,024,000 8,904,000 5,404,000 4,838,000 857,000 1,069,000 593,000 593,000 1,491,000 1,138,000 6,717,000 13,519,000 9,220,000 7,229,000 4,402,000 
      accelerated vesting upon change in control
                                 1,636,250  6,545,000                                              
      depreciation and depletion—oil and natural gas
                                   30,961,000 27,997,000 30,549,000 31,029,000 27,038,000 24,571,000  -52,642,000 26,335,000 27,952,000 32,326,000 53,007,000 66,501,000 94,298,000 106,107,000 109,274,000 112,569,000 97,267,000 115,185,000 133,664,000 137,639,000 138,903,000 157,526,000                        
      depreciation and amortization—other
                                   3,040,000 3,153,000 3,123,000 3,399,000 3,493,000 3,837,000  -17,401,000 7,514,000 6,974,000 6,835,000 10,148,000 11,379,000 12,508,000 13,347,000 14,286,000 14,417,000 15,411,000 15,522,000 15,508,000 15,270,000 16,022,000 15,336,000                        
      shareholder activism costs
                                    407,000                                             
      loss on settlement of contract
                                          22,546,000  1,092,000 89,092,000                                    
      reorganization items
                                          -60,918,000 -42,754,000 -200,918,000                                     
      preferred stock dividends
                                          4,080,250  5,440,000 10,881,000 10,881,000 9,114,000 7,074,000 10,881,000 10,881,000 11,381,000 13,881,000 13,881,000 13,881,000 13,881,000 13,881,000 13,881,000 13,881,000 13,881,000 13,881,000 13,881,000 13,881,000 13,881,000 13,881,000 13,940,000 6,473,500 8,632,000 8,631,000 8,631,000            
      (loss applicable) income available to sandridge energy, inc. common stockholders
                                     16,455,500 -8,485,000        -664,579,000 -649,526,000       5,199,000 -87,074,000 -34,317,000  98,155,250 -184,301,000      -316,284,000                
      accretion of asset retirement obligations
                                       2,439,000 2,409,000  -2,275,000 1,390,000 1,387,000 1,588,000 1,154,000 1,132,000 1,111,000 1,080,000 1,165,000 1,116,000 1,065,000 5,746,000 8,726,000 8,472,000 9,800,000 9,779,000                        
      income available (loss applicable) to sandridge energy, inc. common stockholders
                                       23,499,000 50,808,000          254,296,000 145,957,000         808,982,000    196,135,000  -208,023,000 297,657,000 44,884,000 18,605,000            
      midstream and marketing
                                          2,636,250 3,004,000 3,254,000 4,287,000 7,601,000 8,838,000 8,606,000 8,764,000 10,952,000 11,922,000 14,874,000 17,910,000 15,450,000 14,624,000 15,198,000 13,032,000 12,620,000 10,708,000 8,852,000 8,306,000 13,027,000 15,092,000 16,313,000 22,258,000 26,250,000 23,281,000 22,598,000 27,988,000 23,977,000 16,453,000 19,642,000 19,642,000 25,956,000 33,362,000 58,343,000 69,488,000 46,409,000 36,634,000 19,030,000 
      drilling and services
                                          585,500 886,000 224,000 1,232,000 2,466,000 4,572,000 5,241,000 9,845,000 18,808,000 21,348,000 18,852,000 17,080,000 16,989,000 16,149,000 16,078,000 17,370,000 25,932,000 27,760,000 33,632,000 29,309,000 28,180,000 25,547,000 28,537,000 21,034,000 13,630,000 5,252,000 3,901,000 5,760,000 6,453,000 5,878,000 5,176,000 5,176,000 6,395,000 10,854,000 12,054,000 11,957,000 12,334,000 16,269,000 16,684,000 
      cost of sales
                                          1,325,500 563,000 471,000 4,268,000 2,360,000 4,323,000 4,884,000 12,827,000 17,213,000 15,992,000 10,469,000 12,481,000 11,680,000 13,773,000 15,348,000 16,317,000                        
      less: net loss attributable to noncontrolling interest
                                                 -116,921,000                                
      net loss attributable to sandridge energy, inc.
                                          -308,368,500 -404,337,000 -515,911,000 -313,226,000   -1,368,482,000 -1,034,953,000                                
      loss applicable to sandridge energy, inc. common stockholders
                                          -312,448,750 -404,337,000 -521,351,000 -324,107,000   -1,375,556,000 -1,045,834,000   -38,320,000 -141,896,000    -493,221,000    -232,059,000           -91,174,000 -91,174,000 -1,154,857,000       
      less: net income attributable to noncontrolling interest
                                              -130,263,000 -156,073,000 -220,249,000  48,880,000 40,161,000 15,642,000 -6,070,000 30,017,000 16,191,000 45,121,000 -51,919,000 -6,626,000 10,668,000 99,004,000 1,954,000 -19,732,000 60,895,000 13,154,000 6,000 898,000 1,313,000 1,096,000 1,138,000 2,247,000 4,000 4,000 4,000 3,000       
      net income attributable to sandridge energy, inc.
                                              -653,698,000 -640,412,000   265,177,000 157,338,000 -24,439,000 -128,015,000 19,080,000 -73,193,000 -20,436,000 -479,340,000 -292,694,000 -170,420,000 822,863,000 -218,178,000 -374,716,000 575,109,000 210,016,000 -302,344,000 -196,475,000 306,289,000 53,515,000 27,236,000     -1,154,857,000       
      income per share
                                                                                 
      basic
                                              -1.535 -1.23   -0.028 0.3                   -1.963 -0.58    0.225 1.41     
      diluted
                                              -1.535 -1.23   -0.028 0.27                   -1.963 -0.58    0.223 1.4     
      construction contract
                                                      96,000  23,253,000                         
      loss on extinguishment of debt
                                                         -82,005,000 -19,000 -3,056,000     -2,051,000 -36,181,000                
      income tax (benefit) expense
                                                    -1,194,000            -7,054,000      -4,602,000 -2,580,000          
      (gain) loss on sale of assets
                                                     -19,000   -349,000      -896,000 -422,000 -524,000  9,750 -44,000  -304,000            
      oil and natural gas
                                                      347,877,500 459,211,000 454,282,000 478,017,000 499,907,000 488,252,000 429,758,000 341,365,000 329,288,000 318,453,000 312,111,000 266,942,000 245,185,000 209,998,000 149,995,000 169,585,000            
      bargain purchase gain
                                                          -1,750,000  124,446,000                     
      accretion of asset retirement obligation
                                                          4,906,250 9,053,000 7,965,000 2,607,000                    
      (gain) loss on derivative contracts
                                                            -669,850,000  445,021,000 -596,736,000 -169,988,000    -119,621,000      -206,647,000       
      income available to sandridge energy, inc. common stockholders
                                                              110,269,750 561,228,000                  
      revenues:
                                                                                 
      expenses:
                                                                                 
      depreciation, depletion and amortization — other
                                                                  9,141,000 12,441,000 11,820,000 12,303,000 12,014,000 12,092,000 14,034,000 14,034,000 12,726,000 19,106,000 17,597,000 15,780,000 17,965,000 16,996,000 14,282,000 
      other income:
                                                                                 
      income from equity investments
                                                                      -7,000 593,000 200,000 200,000 234,000 43,000 -60,000 556,000 859,000 973,000 1,235,000 
      earnings per share:
                                                                                 
      basic
                             -7.02 -5.12   1.55 0.33 -0.97 -1.18 -0.62 -0.25 0.69 1.9              0.01 -0.18 -0.07  -0.69 -0.39 1.75  -0.98 1.41 0.49 -0.79 -0.89 0.82 0.21             
      diluted
                             -7.02 -5.12   1.55 0.33 -0.97 -1.18 -0.62 -0.25 0.69 1.9              0.01 -0.18 -0.07  -0.62 -0.39 1.47  -0.84 1.16 0.42 -0.79 -0.72 0.73 0.2             
      weighted-average number of common shares outstanding:
                                                                                 
      basic
    36,770 36,773 36,671 36,661 37,041 37,106 37,134 37,083 37,042 36,939 36,969 36,892 36,859 36,745 36,797 36,699 36,635 36,393 36,577 36,416 36,156 35,689 35,783 35,611 35,551 35,427 35,491 35,356 35,322 35,057 35,308 35,017 34,575 32,442 34,290 34,076 26,801  18,967 718,373 718,102 689,784 521,936 526,388 495,153 478,165 479,644 485,458 485,318 484,798 481,148 483,582 479,154 477,826 453,595 476,037 461,008 400,597 398,851 399,270 398,435 398,251 291,869 361,687 209,161 209,145 175,005 178,069 174,154 174,154 163,321 155,619 163,020 155,204 141,044 108,828 107,554 
      diluted
    36,992 36,908 36,708 36,677 37,080 37,188 37,180 37,158 37,134 37,134 37,161 37,097 37,110 37,154 37,150 37,185 37,019 37,271 36,996 37,345 37,439 35,689 35,783 35,611 35,551 35,427 35,491 35,356 35,322 35,057 35,330 35,017 34,575 32,663 34,290 34,138 26,801  18,967 718,373 718,102 689,784 521,936 526,388 495,153 478,165 499,743 575,911 485,318 484,798 481,148 483,582 479,154 477,826 456,015 476,037 560,640 400,597 406,645 497,700 495,982 398,251 315,349 419,137 261,605 209,932 175,005 178,069 174,154 174,154 163,321 155,619 164,554 155,204 141,044 110,041 109,049 
      income before income tax benefit
                                                                     28,386,000   -91,535,000 -91,535,000 -1,156,023,000       
      basic and diluted earnings per share:
                                                                                 
      basic.
                                                                     0.09            
      diluted
                                                                     0.09            
      natural gas and crude oil
                                                                      82,157,000 104,348,000 103,039,000 103,039,000 121,241,000 151,927,000 259,141,000 292,134,000 205,487,000 158,056,000 113,106,000 
      depreciation, depletion and amortization — natural gas and crude oil
                                                                      31,875,750 33,060,000 34,350,000 34,350,000 60,093,000 81,621,000 71,964,000 72,256,000 65,076,000 57,692,000 45,177,000 
      income before income tax (benefit) expense
                                                                      -430,598,000 -103,892,000          
      net income (applicable) attributable to sandridge energy, inc.
                                                                      -336,836,750 -101,316,000          
      preferred stock dividends and accretion
                                                                      5,997,000 2,816,000      6,650,000 9,582,000 9,315,000 9,313,000 
      income (applicable) available to sandridge energy, inc. common stockholders
                                                                      -337,540,750 -104,132,000          
      income per share (applicable) available to sandridge energy, inc. common stockholders:
                                                                                 
      basic
                                              -1.535 -1.23   -0.028 0.3                   -1.963 -0.58    0.225 1.41     
      diluted
                                              -1.535 -1.23   -0.028 0.27                   -1.963 -0.58    0.223 1.4     
      weighted-average number of sandridge energy, inc. common shares outstanding:
                                                                                 
      basic
    36,770 36,773 36,671 36,661 37,041 37,106 37,134 37,083 37,042 36,939 36,969 36,892 36,859 36,745 36,797 36,699 36,635 36,393 36,577 36,416 36,156 35,689 35,783 35,611 35,551 35,427 35,491 35,356 35,322 35,057 35,308 35,017 34,575 32,442 34,290 34,076 26,801  18,967 718,373 718,102 689,784 521,936 526,388 495,153 478,165 479,644 485,458 485,318 484,798 481,148 483,582 479,154 477,826 453,595 476,037 461,008 400,597 398,851 399,270 398,435 398,251 291,869 361,687 209,161 209,145 175,005 178,069 174,154 174,154 163,321 155,619 163,020 155,204 141,044 108,828 107,554 
      diluted
    36,992 36,908 36,708 36,677 37,080 37,188 37,180 37,158 37,134 37,134 37,161 37,097 37,110 37,154 37,150 37,185 37,019 37,271 36,996 37,345 37,439 35,689 35,783 35,611 35,551 35,427 35,491 35,356 35,322 35,057 35,330 35,017 34,575 32,663 34,290 34,138 26,801  18,967 718,373 718,102 689,784 521,936 526,388 495,153 478,165 499,743 575,911 485,318 484,798 481,148 483,582 479,154 477,826 456,015 476,037 560,640 400,597 406,645 497,700 495,982 398,251 315,349 419,137 261,605 209,932 175,005 178,069 174,154 174,154 163,321 155,619 164,554 155,204 141,044 110,041 109,049 
      net income attributable to sandridge energy, inc. common stockholders
                                                                        -91,174,000 -91,174,000        
      basic and diluted loss per share applicable to sandridge energy, inc. common stockholders
                                                                        -0.52 -0.52 -7.07       
      minority interest
                                                                           -2,000 -2,000 -16,000 -835,000 597,000 -164,000 
      income before income tax expense
                                                                           60,671,500 361,039,000 -31,190,000  22,752,000 32,840,000 
      income available to common stockholders
                                                                           34,286,500 230,346,000   4,915,000 11,607,000 
      income per share available to common stockholders:
                                                                                 
      basic
                                              -1.535 -1.23   -0.028 0.3                   -1.963 -0.58    0.225 1.41     
      diluted
                                              -1.535 -1.23   -0.028 0.27                   -1.963 -0.58    0.223 1.4     
      (loss applicable) income available to common stockholders
                                                                             -26,993,000    
      basic and diluted income per share (applicable) available to common stockholders
                                                                             -0.17    
      loss before income tax benefit
                                                                              -87,163,000   
      loss applicable to common stockholders
                                                                              -66,207,000   
      basic and diluted loss per share applicable to common stockholders
                                                                              -0.47   
      basic and diluted income per share available to common stockholders
                                                                               0.04 0.11 
      weighted-average number of shares outstanding:
                                                                                 
      basic
    36,770 36,773 36,671 36,661 37,041 37,106 37,134 37,083 37,042 36,939 36,969 36,892 36,859 36,745 36,797 36,699 36,635 36,393 36,577 36,416 36,156 35,689 35,783 35,611 35,551 35,427 35,491 35,356 35,322 35,057 35,308 35,017 34,575 32,442 34,290 34,076 26,801  18,967 718,373 718,102 689,784 521,936 526,388 495,153 478,165 479,644 485,458 485,318 484,798 481,148 483,582 479,154 477,826 453,595 476,037 461,008 400,597 398,851 399,270 398,435 398,251 291,869 361,687 209,161 209,145 175,005 178,069 174,154 174,154 163,321 155,619 163,020 155,204 141,044 108,828 107,554 
      diluted
    36,992 36,908 36,708 36,677 37,080 37,188 37,180 37,158 37,134 37,134 37,161 37,097 37,110 37,154 37,150 37,185 37,019 37,271 36,996 37,345 37,439 35,689 35,783 35,611 35,551 35,427 35,491 35,356 35,322 35,057 35,330 35,017 34,575 32,663 34,290 34,138 26,801  18,967 718,373 718,102 689,784 521,936 526,388 495,153 478,165 499,743 575,911 485,318 484,798 481,148 483,582 479,154 477,826 456,015 476,037 560,640 400,597 406,645 497,700 495,982 398,251 315,349 419,137 261,605 209,932 175,005 178,069 174,154 174,154 163,321 155,619 164,554 155,204 141,044 110,041 109,049 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 
                                                                                 
        assets
                                                                                 
        current assets
                                                                                 
        cash and cash equivalents
      102,749,000 110,998,000 101,204,000 102,816,000 99,726,000 98,128,000 92,697,000 209,908,000 206,956,000 252,407,000 230,706,000 222,359,000 285,814,000 255,722,000 238,859,000 203,442,000 163,514,000 137,260,000 96,738,000 88,338,000 73,876,000 22,130,000 11,187,000 13,473,000 6,287,000 4,275,000 4,035,000 7,808,000 7,354,000 17,660,000 32,562,000 30,125,000 27,013,000 99,143,000 133,201,000 148,400,000 150,998,000 121,231,000 652,680,000 634,166,000 694,042,000 170,468,000 170,468,000 983,617,000 11,821,000 181,253,000 590,246,000 910,633,000 1,170,581,000 814,663,000 910,443,000 1,094,341,000 1,308,733,000 309,766,000 673,680,000 421,073,000 127,842,000 207,681,000 325,437,000 4,615,000 8,537,000 5,863,000 2,589,000 2,083,000 2,571,000 7,861,000 14,642,000 621,000 76,000 636,000 898,000 275,888,000 726,000 63,135,000 32,013,000 
        restricted cash
      1,347,000 1,347,000 1,383,000 1,383,000 1,383,000 1,383,000                                                                      
        accounts receivable
      30,313,000 26,186,000 27,442,000 23,574,000 24,879,000 23,878,000 28,506,000 23,264,000 22,316,000 22,166,000 25,657,000 23,908,000 26,572,000 34,735,000 31,075,000 32,187,000 26,711,000 21,505,000 29,365,000 20,681,000 18,963,000 19,576,000 16,292,000 16,608,000 21,039,000 28,644,000 31,706,000 51,025,000 51,053,000 45,503,000 54,493,000 58,992,000 67,992,000 71,277,000 69,187,000 57,168,000 56,711,000 74,097,000 61,446,000 81,718,000 72,774,000 7,000 7,000 237,720,000 309,037,000 330,077,000 330,543,000   349,218,000  412,140,000 389,399,000 445,506,000 382,094,000 288,332,000 240,636,000 206,336,000 174,396,000 162,976,000 164,087,000 146,118,000 120,224,000 103,409,000 96,155,000           
        derivative contracts
       2,773,000 2,416,000 2,964,000  114,000 1,284,000       4,429,000 4,040,000   21,000 4,129,000     2,004,000 6,253,000 114,000 1,133,000   5,286,000 73,000   1,310,000 6,608,000 17,828,000 1,212,000  10,192,000 21,000,000 61,403,000   120,575,000 209,059,000 291,414,000 53,919,000   12,779,000  53,424,000 25,693,000 71,022,000 81,127,000 204,202,000 7,526,000 4,066,000 96,457,000 2,513,000 781,000 5,028,000 11,437,000 63,737,000 141,569,000 105,994,000 129,453,000 207,342,000 270,170,000 201,111,000 87,751,000 1,534,000  21,958,000 27,903,000 
        prepaid expenses
      2,997,000 748,000 2,507,000 3,410,000 3,916,000 3,370,000 886,000 1,674,000 2,384,000 430,000 926,000 1,815,000 2,318,000 523,000 1,346,000 3,198,000 3,141,000 626,000 1,279,000 2,186,000 2,841,000 2,890,000 1,105,000 2,218,000 3,096,000 3,342,000 1,999,000 2,927,000 3,128,000 2,628,000 2,223,000 3,582,000 4,241,000 5,248,000 2,334,000 3,925,000 3,684,000 5,375,000 12,514,000 15,331,000 10,427,000   9,938,000 9,893,000 7,981,000 6,794,000   39,253,000  38,162,000 40,159,000 31,319,000 37,187,000 33,648,000                    
        other current assets
      5,563,000 5,806,000 1,678,000 1,960,000 1,089,000 780,000 814,000 932,000 1,105,000 1,314,000 1,479,000 4,744,000 7,544,000 7,747,000 1,582,000 80,000 80,000 80,000 80,000 80,000 80,000 80,000 80,000 80,000 527,000 538,000 830,000 247,000 251,000 265,000 350,000 411,000 11,288,000 15,954,000 8,045,000 9,914,000 11,952,000 3,633,000 1,003,000 1,650,000 15,239,000   25,985,000 7,299,000 21,193,000 23,223,000 1,388,000 1,375,000 21,831,000 1,375,000 38,866,000 18,439,000 15,425,000 15,623,000 14,707,000 32,324,000 16,854,000 20,032,000 12,897,000 21,112,000 14,636,000 20,342,000 6,150,000 14,216,000 20,580,000 32,358,000 20,164,000 39,055,000 41,407,000 29,858,000 21,696,000 20,373,000 20,787,000 20,548,000 
        total current assets
      142,969,000 147,858,000 136,630,000 136,107,000 130,993,000 127,653,000 125,571,000 237,162,000 234,298,000 277,854,000 260,305,000 254,494,000 323,998,000 304,902,000 278,646,000 240,650,000 195,710,000 161,735,000 129,726,000 113,556,000 98,399,000 50,812,000 30,118,000 71,284,000 38,656,000 38,606,000 41,396,000 63,988,000 63,767,000 73,327,000 91,613,000 94,965,000 112,699,000 195,097,000 221,687,000 240,075,000 227,398,000 257,176,000 737,835,000 753,865,000 853,885,000 921,851,000 921,851,000 1,377,835,000 547,109,000 831,918,000 1,004,725,000 1,190,531,000 1,228,477,000 1,241,823,000 1,000,652,000 1,641,990,000 1,789,158,000 1,142,885,000 1,229,187,000 980,785,000 419,440,000 441,840,000 627,994,000 190,572,000 198,795,000 175,590,000 158,184,000 226,126,000 290,217,000 255,964,000 260,443,000 321,458,000 407,822,000 355,913,000 242,289,000 511,700,000 163,102,000 226,452,000 173,397,000 
        oil and natural gas properties, using full cost method of accounting
                                                                                 
        proved
      1,780,529,000 1,759,943,000 1,738,182,000 1,712,530,000 1,697,468,000 1,689,807,000 1,677,882,000 1,545,318,000 1,539,497,000 1,538,724,000 1,538,863,000 1,527,475,000 1,519,873,000 1,507,690,000 1,493,956,000 1,477,699,000 1,459,713,000 1,454,016,000 1,442,972,000 1,439,904,000 1,443,508,000 1,463,950,000 1,479,664,000 1,489,793,000 1,487,721,000 1,484,359,000 1,455,609,000 1,390,054,000 1,344,552,000 1,269,091,000 1,206,363,000 1,145,667,000 1,103,921,000 1,056,806,000 1,004,370,000 934,248,000 882,946,000 840,201,000 12,093,492,000 12,029,734,000 11,961,413,000   12,199,049,000 12,020,208,000 11,707,147,000 11,252,074,000   10,972,816,000  10,355,137,000 9,975,304,000 12,262,921,000 11,784,691,000 11,197,054,000 9,159,518,000 8,969,296,000 8,697,142,000 8,552,148,000 8,388,198,000 8,159,924,000 7,971,187,000 6,356,837,000 6,160,856,000 5,913,408,000 5,064,490,000 4,996,188,000 4,933,712,000 4,676,072,000 4,155,044,000 3,519,253,000 3,204,557,000 2,848,531,000 2,388,534,000 
        unproved
      29,526,000 27,520,000 30,255,000 29,916,000 27,934,000 23,504,000 17,487,000 9,861,000 11,215,000 11,197,000 11,189,000 11,565,000 11,565,000 11,516,000 11,553,000 11,487,000 12,478,000 12,255,000 12,905,000 13,365,000 13,341,000 17,964,000 18,653,000 22,753,000 24,298,000 24,603,000 26,107,000 46,274,000 57,363,000 60,152,000 68,737,000 87,268,000 91,793,000 100,884,000 103,533,000 111,202,000 110,941,000 74,937,000 322,580,000 338,573,000 350,646,000   261,657,000 285,942,000 290,596,000 300,224,000   531,606,000  535,836,000 548,923,000 865,863,000 939,045,000 948,369,000 748,953,000 689,393,000 681,886,000 624,668,000 571,447,000 547,953,000 530,111,000 249,840,000 226,452,000 281,811,000 229,687,000 225,369,000 221,161,000 215,698,000 211,314,000 259,610,000 259,610,000 259,610,000 247,757,000 
        less: accumulated depreciation, depletion and impairment
      -1,454,990,000 -1,446,824,000 -1,437,501,000 -1,429,357,000 -1,422,624,000 -1,415,110,000 -1,406,957,000 -1,399,863,000 -1,396,534,000 -1,393,801,000 -1,388,781,000 -1,385,569,000 -1,382,740,000 -1,380,574,000 -1,377,639,000 -1,376,147,000 -1,374,767,000 -1,373,217,000 -1,371,123,000 -1,370,544,000 -1,376,754,000 -1,375,692,000 -1,367,703,000 -1,335,830,000 -1,160,486,000 -1,129,622,000 -855,765,000 -652,709,000 -614,972,000 -580,132,000 -546,769,000 -515,822,000 -486,645,000 -460,431,000 -432,564,000 -404,143,000 -377,280,000 -353,030,000 -11,637,538,000 -11,313,610,000 -11,035,575,000   -9,131,153,000 -7,548,398,000 -6,359,149,000 -6,250,457,000   -5,762,969,000  -5,515,168,000 -5,384,132,000 -5,231,182,000 -5,167,938,000 -5,011,661,000 -4,874,325,000 -4,791,534,000 -4,707,089,000 -4,625,330,000 -4,554,435,000 -4,483,736,000 -4,409,776,000 -4,322,819,000 -4,272,882,000 -4,223,437,000 -3,792,437,000 -3,765,118,000 -3,732,599,000 -2,369,840,000      
        oil and natural gas properties, using full cost method of accounting - sum
      355,065,000 340,639,000 330,936,000 313,089,000 302,778,000 298,201,000 288,412,000 155,316,000 154,178,000 156,120,000 161,271,000 153,471,000 148,698,000 138,632,000 127,870,000 113,039,000 97,424,000 93,054,000 84,754,000 82,725,000 80,095,000 106,222,000 130,614,000 176,716,000 351,533,000 379,340,000 625,951,000 783,619,000 786,943,000 749,111,000 728,331,000 717,113,000 709,069,000 697,259,000 675,339,000 641,307,000 616,607,000 562,108,000 778,534,000 1,054,697,000 1,276,484,000   3,329,553,000 4,757,752,000 5,638,594,000 5,301,841,000                             
        other property, plant and equipment
      74,260,000 75,649,000 76,632,000 78,266,000 79,641,000 80,689,000 81,694,000 83,312,000 85,062,000 86,493,000 87,824,000 89,295,000 90,641,000 92,244,000 93,691,000 94,851,000 96,282,000 97,791,000 98,951,000 99,572,000 101,057,000 103,118,000 104,825,000 106,665,000 181,851,000 188,603,000 191,280,000 197,706,000 200,014,000 200,838,000 211,198,000 213,903,000 216,865,000 225,981,000 238,420,000 242,291,000 245,818,000 255,824,000 357,528,000 420,555,000 426,537,000   556,848,000 579,249,000 576,463,000 578,864,000   566,222,000  567,910,000 595,511,000 582,375,000 638,160,000 595,250,000 576,668,000 522,269,000 531,875,000 519,364,000 506,629,000 509,724,000 516,220,000 499,915,000 482,183,000 461,861,000 462,487,000 464,463,000 676,551,000 653,629,000 612,428,000 540,737,000 506,156,000 460,243,000 427,756,000 
        other assets
      1,500,000 1,539,000 1,974,000 2,010,000 2,046,000 2,081,000 3,172,000 3,212,000 3,250,000 3,130,000 3,172,000 272,000 311,000 190,000 230,000 268,000 294,000 332,000 358,000 594,000 703,000 680,000 564,000 766,000 953,000 1,140,000 1,325,000 1,500,000 820,000 1,062,000 1,181,000 1,274,000 1,343,000 1,290,000 1,327,000 1,527,000 1,933,000 6,284,000 12,537,000 11,791,000 17,153,000 152,286,000 152,286,000 147,342,000 130,748,000 165,247,000 77,068,000 64,364,000 66,550,000 121,171,000 64,284,000 124,758,000 128,328,000 116,305,000 121,369,000 107,164,000 83,436,000 98,622,000 109,716,000 71,954,000 71,776,000 59,751,000 59,042,000 65,112,000 57,019,000 57,816,000 44,268,000 45,799,000 39,032,000 39,118,000 45,852,000 45,271,000 25,543,000 26,818,000 29,515,000 
        deferred tax assets, net of valuation allowance
      78,336,000 78,336,000 72,801,000 72,801,000 72,801,000 72,801,000 66,008,000 50,569,000 50,569,000 50,569,000                                                                  
        total assets
      652,130,000 644,021,000 618,973,000 602,273,000 588,259,000 581,511,000 565,240,000 529,571,000 527,357,000 574,166,000 577,101,000 562,061,000 628,177,000 600,497,000 500,437,000 448,808,000 389,710,000 352,912,000 313,789,000 296,447,000 280,254,000 260,832,000 266,121,000 355,431,000 572,993,000 607,689,000 859,952,000 1,046,813,000 1,051,544,000 1,024,338,000 1,032,323,000 1,027,255,000 1,039,976,000 1,119,627,000 1,138,783,000 1,132,678,000 1,097,197,000 1,081,392,000 1,886,504,000 2,240,908,000 2,574,059,000 7,680,335,000 7,680,335,000 5,435,048,000 6,057,205,000 7,259,225,000 6,978,389,000 7,282,193,000 6,467,047,000 7,684,795,000 6,222,873,000 7,753,636,000 7,678,311,000 9,790,731,000 9,844,247,000 9,178,535,000 6,378,099,000 6,219,609,000 6,418,713,000 5,596,674,000 5,445,468,000 5,231,448,000 5,094,165,000 3,128,663,000 2,971,665,000 2,780,317,000 2,310,968,000 2,364,316,000 2,670,585,000 3,655,058,000 4,890,502,000 4,565,810,000 3,907,832,000 3,630,566,000 3,170,456,000 
        liabilities and stockholders’ equity
                                                                                 
        current liabilities
                                                                                 
        accounts payable and accrued expenses
      49,842,000 59,037,000 53,155,000 49,418,000 50,019,000 50,625,000 48,479,000 35,694,000 39,276,000 38,828,000 38,937,000 39,506,000 49,142,000 46,335,000 54,077,000 56,635,000 47,292,000 45,779,000 46,778,000 42,896,000 42,280,000 51,426,000 42,449,000 41,996,000 55,033,000 64,937,000 79,812,000 95,734,000 119,436,000 111,797,000 112,980,000 120,550,000 118,866,000 139,155,000 127,941,000 113,019,000 105,939,000 116,517,000 140,448,000 64,926,000 263,665,000 151,825,000 151,825,000 494,675,000 538,151,000 683,392,000 652,649,000 201,911,000 157,676,000 812,488,000 170,920,000 746,944,000 672,372,000 766,544,000 779,200,000 669,362,000 601,785,000 506,784,000 413,830,000 423,971,000 376,264,000 376,922,000 395,051,000 315,893,000 303,603,000           
        asset retirement obligations
      8,098,000 8,098,000 8,951,000 9,014,000 9,014,000 9,131,000 9,668,000 9,789,000 9,789,000 9,851,000    16,074,000    17,606,000    16,467,000    22,119,000    25,393,000  39,981,000 40,943,000 41,017,000 62,144,000 65,893,000 67,015,000 66,154,000 8,573,000 8,534,000 8,440,000   57,084,000 55,966,000     87,063,000  79,953,000 91,113,000 118,504,000                      
        other current liabilities
      866,000 905,000 756,000 811,000 856,000 839,000 608,000 674,000 778,000 645,000 659,000 691,000 1,061,000 870,000 841,000 702,000 643,000 627,000 600,000 408,000 364,000 984,000 962,000 1,120,000 1,252,000 1,367,000 1,415,000 1,355,000 29,000  7,000 1,714,000 425,000 8,115,000 7,422,000 8,270,000 7,167,000 3,497,000      3,791,000 4,846,000 5,216,000 18,549,000 7,144,000 6,987,000                           
        total current liabilities
      59,483,000 68,040,000 62,862,000 59,243,000 61,550,000 60,595,000 58,755,000 46,157,000 49,843,000 49,324,000 55,170,000 55,844,000 66,278,000 63,279,000 72,060,000 74,593,000 65,308,000 64,033,000 67,606,000 59,243,000 58,581,000 68,877,000 80,506,000 124,574,000 78,013,000 88,423,000 95,195,000 111,909,000 164,820,000 137,190,000 189,933,000 197,528,000 180,186,000 198,914,000 197,515,000 187,182,000 181,666,000 213,706,000 152,003,000 73,816,000 4,253,831,000 1,612,878,000 1,612,878,000 551,331,000 607,633,000 784,451,000 671,198,000 1,550,493,000 1,520,316,000 933,818,000 1,149,901,000 883,793,000 782,253,000 1,170,454,000 914,747,000 823,434,000 767,533,000 699,496,000 491,514,000 640,956,000 668,930,000 544,458,000 462,505,000 335,536,000 324,113,000 225,544,000 259,027,000 207,374,000 289,550,000 402,624,000 344,655,000 542,568,000 383,899,000 232,106,000 205,442,000 
        other long-term obligations
      827,000 817,000 573,000 708,000 918,000 936,000 1,953,000 2,063,000 2,265,000 2,178,000 2,032,000 2,085,000 1,474,000 1,661,000 1,757,000 1,606,000 1,653,000 1,795,000 1,727,000 1,439,000 2,413,000 3,188,000 4,217,000 3,209,000 6,899,000 6,417,000 5,612,000 4,587,000 7,428,000 4,756,000 3,837,000 2,625,000 3,809,000 3,176,000 2,686,000 1,703,000 1,742,000 6,958,000 3,000  11,147,000 77,000 77,000 15,396,000 16,111,000 15,116,000 16,418,000 94,000 1,398,000 22,825,000 1,876,000 21,771,000 18,183,000 17,046,000 15,810,000 14,566,000 13,787,000 13,133,000 24,430,000 10,762,000 9,409,000 19,024,000 5,776,000 15,348,000 16,257,000 14,099,000 6,967,000 11,967,000 11,967,000 11,963,000 11,817,000 16,817,000 16,817,000 16,817,000 16,219,000 
        total liabilities
      126,160,000 133,150,000 126,524,000 122,106,000 123,346,000 120,980,000 118,483,000 104,764,000 107,653,000 106,055,000 107,584,000 107,363,000 116,312,000 112,575,000 118,138,000 119,681,000 109,515,000 107,590,000 105,672,000 116,879,000 116,928,000 132,766,000 138,159,000 180,662,000 183,027,000 205,237,000 208,708,000 214,672,000 208,084,000 176,617,000 239,788,000 246,999,000 226,536,000 279,687,000 280,500,000 268,517,000 262,288,000 568,475,000 4,562,025,000 4,513,852,000 4,327,257,000 5,742,510,000 5,742,510,000 5,019,476,000 4,050,288,000 4,049,405,000 3,940,613,000 5,625,610,000 4,722,652,000 4,509,168,000 4,352,463,000 4,477,338,000 4,402,819,000 5,928,276,000 5,639,227,000 4,756,457,000 3,987,040,000 3,670,659,000 3,432,809,000 3,799,989,000 4,204,209,000 3,683,965,000 3,656,741,000 3,247,201,000 3,142,995,000 2,976,222,000 2,501,953,000 2,456,110,000 2,784,848,000 2,861,507,000 2,511,373,000 2,421,943,000 1,743,075,000 1,408,288,000 1,749,372,000 
        commitments and contingencies
                                                                                 
        stockholders’ equity
                                                                                 
        common stock, 0.001 par value...
      37,000 37,000 37,000 37,000 37,000 37,000 37,000 37,000 37,000 37,000 37,000 37,000 37,000 37,000 37,000 37,000 37,000 37,000 37,000 37,000 36,000 36,000 36,000 36,000 36,000 36,000 36,000 36,000 36,000 36,000 36,000 35,000 36,000 36,000 36,000 34,000 34,000  718,000 718,000 718,000   514,000 479,000 477,000 483,000   483,000  483,000 479,000 476,000 476,000 475,000 401,000 399,000 399,000 398,000 398,000 398,000 395,000 204,000 204,000 203,000 178,000 178,000 163,000 163,000 163,000 163,000 144,000 140,000 108,000 
        additional paid-in capital
      977,021,000 980,592,000 983,813,000 987,484,000 991,788,000 1,000,455,000 1,004,264,000 1,007,798,000 1,011,489,000 1,071,021,000 1,074,219,000 1,078,070,000 1,151,874,000 1,151,689,000 1,062,775,000 1,063,326,000 1,062,886,000 1,062,737,000 1,062,376,000 1,062,426,000 1,062,437,000 1,062,220,000 1,061,961,000 1,060,019,000 1,059,437,000 1,059,253,000 1,058,905,000 1,058,200,000 1,056,235,000 1,055,164,000 1,054,155,000 1,053,595,000 1,052,718,000 1,038,324,000 1,037,932,000 1,035,421,000 1,029,668,000  5,315,655,000 5,313,895,000 5,312,363,000   5,252,785,000 5,207,888,000 5,204,024,000 5,292,874,000   5,298,301,000  5,280,402,000 5,242,821,000 5,233,019,000 5,209,029,000 5,202,119,000 4,632,544,000 4,568,856,000 4,557,005,000 4,550,689,000 4,539,565,000 4,528,912,000 4,236,575,000 2,978,252,000 2,969,652,000 2,961,613,000 2,537,690,000 2,532,180,000 2,418,547,000 2,170,986,000 2,161,891,000 2,154,267,000 1,763,225,000 1,686,113,000 889,211,000 
        accumulated deficit
      -451,088,000 -469,758,000 -491,401,000 -507,354,000 -526,912,000 -539,961,000 -557,544,000 -583,028,000 -591,822,000 -602,947,000 -604,739,000 -623,409,000 -640,046,000 -663,804,000 -769,031,000 -822,756,000 -871,248,000 -905,972,000 -942,816,000 -971,415,000 -987,667,000 -1,022,710,000 -1,022,555,000 -973,806,000 -758,027,000 -745,357,000 -496,215,000 -314,613,000 -301,329,000 -295,995,000 -350,173,000 -361,888,000 -327,814,000 -286,920,000 -268,160,000 -259,675,000 -283,174,000 -333,982,000 -7,985,411,000 -7,581,074,000 -7,059,723,000   -5,678,592,000 -4,303,036,000 -3,257,202,000 -3,511,498,000   -3,460,462,000  -3,378,587,000 -3,344,269,000 -2,851,048,000 -2,544,473,000 -2,360,172,000 -3,169,153,000 -2,937,094,000 -2,548,497,000 -3,109,725,000 -3,305,860,000 -2,989,576,000 -2,781,553,000 -3,079,210,000 -3,124,094,000 -3,142,699,000 -2,708,459,000 -2,604,327,000 -2,513,153,000       
        total stockholders’ equity
      525,970,000 510,871,000 492,449,000 480,167,000 464,913,000 460,531,000 446,757,000 424,807,000 419,704,000 468,111,000   511,865,000 487,922,000 382,299,000 329,127,000 280,195,000 245,322,000 208,117,000 179,568,000 163,326,000 128,066,000 127,962,000 174,769,000 389,966,000 402,452,000 651,244,000 832,141,000 843,460,000 847,721,000 792,535,000 780,256,000 813,440,000 839,940,000 858,283,000 864,161,000 834,909,000 512,917,000                                793,521,000 2,379,101,000 2,142,403,000 1,778,989,000 1,766,891,000 965,123,000 
        total liabilities and stockholders’ equity
      652,130,000 644,021,000 618,973,000 602,273,000 588,259,000 581,511,000 565,240,000 529,571,000 527,357,000 574,166,000   628,177,000 600,497,000 500,437,000 448,808,000 389,710,000 352,912,000 313,789,000 296,447,000 280,254,000 260,832,000 266,121,000 355,431,000 572,993,000 607,689,000 859,952,000 1,046,813,000 1,051,544,000 1,024,338,000 1,032,323,000 1,027,255,000 1,039,976,000 1,119,627,000 1,138,783,000 1,132,678,000 1,097,197,000 1,081,392,000                                3,655,058,000 4,890,502,000 4,565,810,000 3,907,832,000 3,630,566,000 3,170,456,000 
        restricted cash - other
            1,384,000 1,384,000 1,537,000 1,537,000 1,537,000 1,668,000 1,750,000 1,746,000 1,744,000 1,743,000 2,264,000 2,264,000 2,264,000 2,271,000 2,639,000 6,136,000 1,454,000 1,454,000 1,454,000 1,693,000 1,693,000 1,981,000 1,981,000 1,985,000 1,912,000 1,855,000 2,165,000 2,165,000 2,312,000 2,840,000 2,841,000 2,840,000                                      
        deferred tax assets
                64,529,000 64,529,000 64,529,000 64,529,000                                                              
        liabilities and shareholders’ equity
                                                                                 
        asset retirement obligation
                15,574,000 15,647,000 16,075,000  17,142,000 17,256,000 17,373,000  16,099,000 15,939,000 15,937,000  22,007,000 22,055,000 21,728,000  13,968,000 14,820,000 25,355,000  40,041,000                        117,044,000 140,789,000 32,906,000 32,906,000 25,360,000 25,360,000 25,360,000 25,360,000 2,553,000 2,553,000 2,553,000 2,553,000 2,077,000 128,000 126,000 275,000 1,524,000 1,524,000 882,000 864,000 57,508,000 
        shareholders’ equity
                                                                                 
        total shareholders’ equity
                469,517,000 454,698,000                                                                
        total liabilities and shareholders’ equity
                577,101,000 562,061,000                                                                
        warrants
                    88,518,000 88,520,000 88,520,000 88,520,000 88,520,000 88,520,000 88,520,000 88,520,000 88,520,000 88,520,000 88,520,000 88,520,000 88,518,000 88,518,000 88,518,000 88,516,000 88,517,000 88,514,000 88,500,000 88,500,000 88,475,000 88,381,000 88,381,000                                       
        long-term debt
                         20,000,000 20,000,000 20,000,000   46,000,000 57,500,000 62,000,000 52,000,000      37,502,000 37,601,000 37,679,000 37,516,000 305,308,000    3,201,338,000 3,201,338,000 4,395,639,000 3,370,578,000 3,195,436,000 3,195,301,000 3,201,067,000 3,200,938,000 3,194,907,000 3,200,686,000 3,194,660,000 3,194,543,000 4,301,083,000 4,300,431,000 3,549,432,000 2,813,484,000 2,813,125,000 2,812,775,000 2,892,434,000 3,171,385,000 2,901,793,000 2,988,746,000 2,749,423,000 2,610,410,000 2,566,935,000 2,126,286,000 2,146,615,000 2,392,289,000 2,358,784,000 1,956,044,000 1,794,160,000 1,263,270,000 1,052,299,000 1,437,211,000 
        current maturities of long-term debt
                            12,000,000 59,000,000     20,000,000            3,981,371,000                1,070,000 1,051,000 1,035,000 1,019,000 1,004,000 7,293,000 8,617,000 9,610,000 10,367,000 12,003,000 13,925,000 15,380,000 16,408,000 16,532,000 16,227,000 15,874,000 15,662,000 15,350,000 14,293,000 
        assets held for sale
                             35,447,000                                                    
        liabilities held for sale
                             403,000                                                    
        restricted cash - collateral
                                           50,000,000                                      
        liabilities and stockholders’ (deficit) equity
                                                                                 
        equity
                                                                                 
        sandridge energy, inc. stockholders’ equity
                                               1,937,825,000 1,937,825,000     1,656,583,000 1,744,395,000  1,870,410,000                         
        predecessor preferred stock, 0.001 par value...
                                                                                 
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at december 31, 2015; aggregate liquidation preference of 265,000
                                                                                 
        7.0% convertible perpetual preferred stock; 2,770 shares issued and outstanding at december 31, 2015, aggregate liquidation preference of 277,000
                                                                                 
        predecessor common stock, 0.001 par value...
                                                                                 
        predecessor additional paid-in capital
                                                                                 
        predecessor additional paid-in capital—stockholder receivable
                                                                                 
        predecessor treasury stock, at cost
                                                                                 
        successor common stock, 0.001 par value...
                                           20,000                                      
        successor warrants
                                           88,381,000                                      
        successor additional paid-in capital
                                           758,498,000                                      
        total sandridge energy, inc. stockholders’ equity
                                           512,917,000      -434,563,000 895,559,000 1,937,825,000 1,771,294,000   1,825,810,000  1,888,210,000 1,885,065,000 2,368,853,000 2,658,002,000 2,835,505,000 1,457,183,000  2,004,215,000 1,436,845,000 1,229,966,000 1,536,195,000 1,427,030,000             
        noncontrolling interest
                                            -21,000 -21,000 -21,000   850,135,000 1,111,358,000 1,271,995,000 1,266,482,000   1,349,817,000  1,388,088,000 1,390,427,000 1,493,602,000 1,547,018,000 1,586,573,000 933,876,000 922,939,000 981,689,000 359,840,000 11,293,000 11,288,000 10,394,000 10,937,000 11,186,000 10,052,000 30,000 26,000 22,000       
        liabilities subject to compromise
                                            4,346,188,000 4,377,611,000                                    
        preferred stock, 0.001 par value...
                                                                        3,000         
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at september 30, 2016 and december 31, 2015; aggregate liquidation preference of 265,000
                                            3,000                                     
        7.0% convertible perpetual preferred stock; 2,597 shares issued and outstanding at september 30, 2016; aggregate liquidation preference of 259,700; 2,770 shares issued and outstanding at december 31, 2015; aggregate liquidation preference of 277,000
                                            3,000                                     
        additional paid-in capital—stockholder receivable
                                            -1,250,000 -1,250,000 -1,250,000   -2,500,000 -2,500,000 -2,500,000 -3,750,000   -3,750,000  -5,000,000 -5,000,000 -5,000,000                      
        treasury stock
                                            -5,218,000 -5,218,000 -5,291,000   -6,776,000 -7,278,000 -6,980,000 -6,823,000   -8,770,000  -9,096,000 -8,974,000 -8,602,000 -7,038,000 -6,925,000 -6,617,000 -6,158,000 -4,700,000 -4,525,000 -4,145,000 -3,547,000 -28,392,000 -28,726,000 -28,283,000 -25,079,000 -20,427,000 -19,854,000 -19,845,000 -19,332,000 -19,315,000 -18,043,000 -17,389,000 -18,578,000 -18,496,000 
        total sandridge energy, inc. stockholders’ deficit
                                            -2,675,500,000 -2,272,923,000 -1,753,177,000                                   
        total stockholders’ deficit
                                            -2,675,521,000 -2,272,944,000 -1,753,198,000                                   
        total liabilities and stockholders’ deficit
                                            1,886,504,000 2,240,908,000 2,574,059,000                                   
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at june 30, 2016 and december 31, 2015; aggregate liquidation preference of 265,000
                                             3,000                                    
        7.0% convertible perpetual preferred stock; 2,597 shares issued and outstanding at june 30, 2016; aggregate liquidation preference of 259,700; 2,770 shares issued and outstanding at december 31, 2015; aggregate liquidation preference of 277,000
                                             3,000                                    
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at march 31, 2016 and december 31, 2015; aggregate liquidation preference of 265,000
                                              3,000                                   
        7.0% convertible perpetual preferred stock; 2,597 shares issued and outstanding at march 31, 2016; aggregate liquidation preference of 259,700; 2,770 shares issued and outstanding at december 31, 2015; aggregate liquidation preference of 277,000
                                              3,000                                   
        intercompany accounts receivable
                                               751,376,000 751,376,000     278,510,000 56,521,000  88,834,000                         
        property, plant and equipment
                                                                                 
        investment in subsidiaries
                                               6,606,198,000 6,606,198,000     6,027,298,000 5,172,020,000  5,157,937,000                         
        liabilities and equity
                                                                                 
        intercompany accounts payable
                                               1,365,210,000 1,365,210,000     1,341,438,000 1,355,653,000  978,981,000                         
        deferred tax liability
                                               95,843,000 95,843,000 52,763,000 64,517,000 95,843,000                              
        total equity
                                               1,937,825,000 1,937,825,000 415,572,000 2,006,917,000 3,209,820,000 3,037,776,000 1,656,583,000 1,744,395,000 3,175,627,000 1,870,410,000 3,276,298,000 3,275,492,000 3,862,455,000 4,205,020,000 4,422,078,000 2,391,059,000 2,548,950,000 2,985,904,000 1,796,685,000 1,241,259,000 1,547,483,000 1,437,424,000             
        total liabilities and equity
                                               7,680,335,000 7,680,335,000 5,435,048,000 6,057,205,000 7,259,225,000 6,978,389,000 7,282,193,000 6,467,047,000 7,684,795,000 6,222,873,000 7,753,636,000 7,678,311,000 9,790,731,000 9,844,247,000 9,178,535,000 6,378,099,000 6,219,609,000 6,418,713,000 5,596,674,000 5,445,468,000 5,231,448,000 5,094,165,000 3,128,663,000 2,971,665,000 2,780,317,000 2,310,968,000 2,364,316,000 2,670,585,000       
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at june 30, 2015 and december 31, 2014; aggregate liquidation preference of 265,000
                                                 3,000                                
        7.0% convertible perpetual preferred stock; 3,000 shares issued and outstanding at june 30, 2015 and december 31, 2014; aggregate liquidation preference of 300,000
                                                 3,000                                
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at march 31, 2015 and december 31, 2014; aggregate liquidation preference of 265,000
                                                  3,000                               
        7.0% convertible perpetual preferred stock; 3,000 shares issued and outstanding at march 31, 2015 and december 31, 2014; aggregate liquidation preference of 300,000
                                                  3,000                               
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at december 31, 2014 and 2013; aggregate liquidation preference of 265,000
                                                   3,000                              
        6.0% convertible perpetual preferred stock; 2,000 shares issued and outstanding with aggregate liquidation preference of 200,000 at december 31, 2013
                                                                                 
        7.0% convertible perpetual preferred stock; 3,000 shares issued and outstanding at december 31, 2014 and 2013; aggregate liquidation preference of 300,000
                                                   3,000                              
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at september 30, 2014 and december 31, 2013; aggregate liquidation preference of 265,000
                                                    3,000                             
        6.0% convertible perpetual preferred stock; 2,000 shares issued and outstanding at september 30, 2014 and december 31, 2013; aggregate liquidation preference of 200,000
                                                    2,000                             
        7.0% convertible perpetual preferred stock; 3,000 shares issued and outstanding at september 30, 2014 and december 31, 2013; aggregate liquidation preference of 300,000
                                                    3,000                             
        costs in excess of billings and contract loss
                                                       4,079,000  5,057,000                        
        restricted deposit
                                                           255,000,000                      
        billings and contract loss in excess of costs incurred
                                                                                 
        deposit on pending sale
                                                           255,000,000                      
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at december 31, 2013 and 2012; aggregate liquidation preference of 265,000
                                                       3,000                          
        6.0% convertible perpetual preferred stock; 2,000 shares issued and outstanding at december 31, 2013 and 2012; aggregate liquidation preference of 200,000
                                                       2,000                          
        7.0% convertible perpetual preferred stock; 3,000 shares issued and outstanding at december 31, 2013 and 2012; aggregate liquidation preference of 300,000
                                                       3,000                          
        accounts payable - related party
                                                         55,098,000                        
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at june 30, 2013 and december 31, 2012; aggregate liquidation preference of 265,000
                                                         3,000                        
        6.0% convertible perpetual preferred stock; 2,000 shares issued and outstanding at june 30, 2013 and december 31, 2012; aggregate liquidation preference of 200,000
                                                         2,000                        
        7.0% convertible perpetual preferred stock; 3,000 shares issued and outstanding at june 30, 2013 and december 31, 2012; aggregate liquidation preference of 300,000
                                                         3,000                        
        costs in excess of billings
                                                          6,735,000 11,229,000  14,768,000 1,621,000       46,452,000 31,965,000 12,346,000  16,449,000 16,234,000       
        billings and estimated contract loss in excess of costs incurred
                                                          5,798,000 15,546,000  6,321,000 34,310,000 43,320,000 42,269,000 41,232,000 32,243,000 31,474,000 22,224,000             
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at march 31, 2013 and december 31, 2012; aggregate liquidation preference of 265,000
                                                          3,000                       
        6.0% convertible perpetual preferred stock; 2,000 shares issued and outstanding at march 31, 2013 and december 31, 2012; aggregate liquidation preference of 200,000
                                                          2,000                       
        7.0% convertible perpetual preferred stock; 3,000 shares issued and outstanding at march 31, 2013 and december 31, 2012; aggregate liquidation preference of 300,000
                                                          3,000                       
        inventories
                                                           3,618,000 3,343,000 4,055,000 9,491,000 6,903,000 11,672,000 7,571,000 4,278,000 3,945,000 3,592,000 4,295,000 3,741,000 3,707,000 3,405,000 3,556,000 3,682,000 3,686,000 7,318,000 6,476,000 4,864,000 3,993,000 4,249,000 
        restricted deposits
                                                           27,947,000 27,943,000 27,941,000 27,904,000 27,912,000 27,892,000 27,902,000 27,876,000 27,886,000 27,860,000 27,860,000 27,820,000 32,894,000 32,872,000 32,860,000 32,796,000 32,843,000 32,745,000 32,684,000 32,633,000 31,660,000 39,851,000 
        goodwill
                                                            235,396,000 235,396,000 235,396,000 235,396,000 235,396,000 235,396,000 235,182,000 234,356,000 239,716,000            27,076,000 
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at december 31, 2012 and 2011; aggregate liquidation preference of 265,000
                                                           3,000                      
        6.0% convertible perpetual preferred stock; 2,000 shares issued and outstanding at december 31, 2012 and 2011; aggregate liquidation preference of 200,000
                                                           2,000                      
        7.0% convertible perpetual preferred stock; 3,000 shares issued and outstanding at december 31, 2012 and 2011; aggregate liquidation preference of 300,000
                                                           3,000                      
        costs in excess of billings and estimated contract loss
                                                            36,133,000                     
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at september 30, 2012 and december 31, 2011; aggregate liquidation preference of 265,000
                                                            3,000                     
        6.0% convertible perpetual preferred stock; 2,000 shares issued and outstanding at september 30, 2012 and december 31, 2011; aggregate liquidation preference of 200,000
                                                            2,000                     
        7.0% convertible perpetual preferred stock; 3,000 shares issued and outstanding at september 30, 2012 and december 31, 2011; aggregate liquidation preference of 300,000
                                                            3,000                     
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at june 30, 2012 and december 31, 2011; aggregate liquidation preference of 265,000
                                                             3,000                    
        6.0% convertible perpetual preferred stock; 2,000 shares issued and outstanding at june 30, 2012 and december 31, 2011; aggregate liquidation preference of 200,000
                                                             2,000                    
        7.0% convertible perpetual preferred stock; 3,000 shares issued and outstanding at june 30, 2012 and december 31, 2011; aggregate liquidation preference of 300,000
                                                             3,000                    
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at march 31, 2012 and december 31, 2011; aggregate liquidation preference of 265,000
                                                              3,000                   
        6.0% convertible perpetual preferred stock; 2,000 shares issued and outstanding at march 31, 2012 and december 31, 2011; aggregate liquidation preference of 200,000
                                                              2,000                   
        7.0% convertible perpetual preferred stock; 3,000 shares issued and outstanding at march 31, 2012 and december 31, 2011; aggregate liquidation preference of 300,000
                                                              3,000                   
        sandridge energy, inc., stockholders’ equity
                                                                                 
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at december 31, 2011 and december 31, 2010; aggregate liquidation preference of 265,000
                                                               3,000                  
        6.0% convertible perpetual preferred stock; 2,000 shares issued and outstanding at december 31, 2011 and december 31, 2010; aggregate liquidation preference of 200,000
                                                               2,000                  
        7.0% convertible perpetual preferred stock; 3,000 shares issued and outstanding at december 31, 2011 and december 31, 2010; aggregate liquidation preference of 300,000
                                                               3,000                  
        total sandridge energy, inc stockholders’ equity
                                                               1,626,011,000                  
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at september 30, 2011 and december 31, 2010; aggregate liquidation preference of 265,000
                                                                3,000                 
        6.0% convertible perpetual preferred stock; 2,000 shares issued and outstanding at september 30, 2011 and december 31, 2010; aggregate liquidation preference of 200,000
                                                                2,000                 
        7.0% convertible perpetual preferred stock; 3,000 shares issued and outstanding at september 30, 2011 and december 31, 2010; aggregate liquidation preference of 300,000
                                                                3,000                 
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at june 30, 2011 and december 31, 2010; aggregate liquidation preference of 265,000
                                                                 3,000                
        6.0% convertible perpetual preferred stock; 2,000 shares issued and outstanding at june 30, 2011 and december 31, 2010; aggregate liquidation preference of 200,000
                                                                 2,000                
        7.0% convertible perpetual preferred stock; 3,000 shares issued and outstanding at june 30, 2011 and december 31, 2010; aggregate liquidation preference of 300,000
                                                                 3,000                
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at march 31, 2011 and december 31, 2010; aggregate liquidation preference of 265,000
                                                                  3,000               
        6.0% convertible perpetual preferred stock; 2,000 shares issued and outstanding at march 31, 2011 and december 31, 2010; aggregate liquidation preference of 200,000
                                                                  2,000               
        7.0% convertible perpetual preferred stock; 3,000 shares issued and outstanding at march 31, 2011 and december 31, 2010; aggregate liquidation preference of 300,000
                                                                  3,000               
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at december 31, 2010 and december 31, 2009; aggregate liquidation preference of 265,000
                                                                   3,000              
        6.0% convertible perpetual preferred stock; 2,000 shares issued and outstanding at december 31, 2010 and december 31, 2009; aggregate liquidation preference of 200,000
                                                                   2,000              
        7.0% convertible perpetual preferred stock; 3,000 shares issued and outstanding at december 31, 2010; aggregate liquidation preference of 300,000
                                                                   3,000              
        current assets:
                                                                                 
        current liabilities:
                                                                                 
        equity:
                                                                                 
        sandridge energy, inc. stockholders’ equity:
                                                                                 
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at september 30, 2010 and december 31, 2009; aggregate liquidation preference of 265,000
                                                                    3,000             
        6.0% convertible perpetual preferred stock; 2,000 shares issued and outstanding at september 30, 2010 and december 31, 2009; aggregate liquidation preference of 200,000
                                                                    2,000             
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at june 30, 2010 and december 31, 2009; aggregate liquidation preference of 265,000
                                                                     3,000            
        6.0% convertible perpetual preferred stock; 2,000 shares issued and outstanding at june 30, 2010 and december 31, 2009; aggregate liquidation preference of 200,000
                                                                     2,000            
        total sandridge energy, inc. stockholders’ (deficit) equity
                                                                     -129,475,000 -182,516,000  -191,015,000 -91,820,000 -114,285,000       
        total (deficit) equity
                                                                     -118,538,000 -171,330,000 -195,905,000 -190,985,000 -91,794,000 -114,263,000       
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at march 31, 2010 and december 31, 2009; aggregate liquidation preference of 265,000
                                                                      3,000           
        6.0% convertible perpetual preferred stock; 2,000 shares issued and outstanding at march 31, 2010 and december 31, 2009; aggregate liquidation preference of 200,000
                                                                      2,000           
        accounts receivable, net:
                                                                                 
        trade
                                                                       105,412,000 80,328,000 73,125,000 78,122,000 102,746,000 99,062,000 143,974,000 112,674,000 94,741,000 71,957,000 
        related parties
                                                                       64,000 257,000 201,000 483,000 6,327,000 13,874,000 20,893,000 23,037,000 20,018,000 16,727,000 
        natural gas and oil properties, using full cost method of accounting
                                                                                 
        investments
                                                                        9,158,000 7,588,000 7,374,000 6,088,000 9,311,000 9,371,000 8,815,000 7,956,000 6,983,000 
        accounts payable and accrued expenses:
                                                                                 
        billings in excess of costs incurred
                                                                        5,141,000   14,144,000 11,885,000     
        sandridge energy, inc., stockholders’ equity:
                                                                                 
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at december 31, 2009 and no shares issued and outstanding at december 31, 2008; aggregate liquidation preference of 265,000 at december 31, 2009
                                                                       3,000          
        6.0% convertible perpetual preferred stock; 2,000 shares issued and outstanding at december 31, 2009 and no shares issued and outstanding at december 31, 2008; aggregate liquidation preference of 200,000 at december 31, 2009
                                                                       2,000          
        total sandridge energy, inc., stockholders’ (deficit) equity
                                                                       -205,957,000          
        natural gas and crude oil properties, using full cost method of accounting
                                                                                 
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at june 30, 2009 and no shares issued and outstanding in 2008; aggregate liquidation preference of 265,000 at june 30, 2009
                                                                         3,000        
        8.5% convertible perpetual preferred stock; 2,650 shares issued and outstanding at march 31, 2009 and no shares issued and outstanding in 2008; aggregate liquidation preference of 265,000 at march 31, 2009
                                                                          3,000       
        deferred income taxes
                                                                            3,528,000 1,430,000 1,428,000 1,820,000  
        minority interest
                                                                           30,000 28,000 1,464,000 4,875,000 4,672,000 5,605,000 
        redeemable convertible preferred stock, 0.001 par value...
                                                                              380,893,000 450,715,000 450,356,000 
        stockholders’ equity:
                                                                                 
        (accumulated deficit) retained earnings
                                                                           -1,358,296,000      
        less: accumulated depreciation and depletion
                                                                            -434,561,000 -363,879,000 -294,729,000 -230,974,000 -174,552,000 
        natural gas and crude oil properties, using full cost method of accounting - sum
                                                                            3,931,797,000 3,414,984,000    
        retained earnings
                                                                            236,362,000 6,016,000 33,009,000 99,216,000 94,300,000 
        costs incurred in excess of billings
                                                                             39,809,000    
        crude oil and natural gas properties, using full cost method of accounting
                                                                                 
        crude oil and natural gas properties, using full cost method of accounting - sum
                                                                              3,169,438,000   
        preferred stock, no par; 50,000 shares authorized; no shares issued and outstanding in 2007 and 2006
                                                                                 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-10-02 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 
                                                                                  
          cash flows from operating activities
                                                                                  
          net income
        18,670,000 21,643,000 15,953,000 19,558,000 13,049,000 17,583,000 25,484,000 8,794,000 11,125,000 1,792,000 18,670,000 16,637,000 23,758,000 105,227,000 53,725,000 48,492,000 34,724,000 36,844,000 28,599,000 16,252,000 35,043,000         54,178,000 11,715,000 -34,074,000 -40,894,000 -18,760,000 -8,485,000 23,499,000 50,808,000     -783,961,000    314,057,000 180,723,000 -8,797,000 -134,085,000 49,097,000 -57,002,000 24,685,000 -531,259,000 -299,320,000 -159,752,000 921,867,000 -216,224,000 -394,448,000 636,003,000 223,171,000 -302,338,000 -195,577,000 307,601,000 54,612,000 28,374,000 -425,996,000 -101,312,000 -91,170,000 -1,154,854,000 -1,594,658,000 230,346,000   14,230,000 
          adjustments to reconcile net income to net cash from operating activities
                                                                                  
          depreciation, depletion, and amortization
        11,443,000  11,038,000 9,902,000 10,019,000  9,950,000 6,014,000 5,754,000  5,854,000 5,359,000 5,072,000  4,673,000 4,390,000 3,975,000  3,605,000 3,668,000 3,999,000  9,223,000 15,087,000 27,489,000  41,852,000 42,405,000 39,408,000                                              
          loss on derivative contracts
        3,526,000 -1,827,000 -2,364,000 -6,059,000 2,487,000 1,118,000      -1,447,000 -2,781,000 -4,258,000 1,064,000 -1,878,000     5,299,000 -2,241,000 -10,226,000 453,000 -1,756,000 209,000 -42,608,000 11,329,000 30,104,000 18,330,000 21,934,000 11,702,000    -338,000     33,004,000 -49,827,000 -329,219,000   42,491,000                          
          settlement gains on derivative contracts
        130,000 1,209,000 2,661,000 1,478,000 -159,000 349,000                                                                     
          stock-based compensation
        702,000 686,000 688,000 720,000 650,000 575,000 707,000 536,000 536,000 523,000 476,000 550,000 396,000 395,000 377,000 398,000 356,000 358,000 237,000 564,000 235,000 259,000 2,004,000 580,000 169,000 324,000 826,000 2,108,000 996,000 962,000 506,000 6,037,000 15,872,000 3,134,000 2,962,000 6,393,000 3,261,000 -2,825,000 1,225,000 1,097,000 6,753,000 3,210,000 3,637,000 7,509,000 4,024,000 4,141,000 4,228,000 4,839,000 6,786,000 5,953,000 6,902,000 52,565,000 19,850,000 9,667,000 9,851,000 11,906,000 11,371,000 10,226,000 10,157,000 9,495,000 8,806,000 13,507,000 9,956,000 7,336,000 6,882,000 6,267,000 6,158,000 5,163,000 5,205,000   4,019,000 3,241,000 2,240,000 
          other
        -44,000 193,000 -43,000 -38,000 300,000 1,399,000 38,000 40,000 40,000 41,000 41,000 39,000 38,000 38,000 39,000 38,000 38,000 37,000 36,000 36,000 35,000 35,000 46,000 -88,000 156,000 -68,000 -62,000 -22,000 -35,000 163,000 -171,000 -1,328,000 -235,000 156,000 -191,000 19,000 360,000 1,183,000 -424,000 -131,000 89,000 -421,000 1,092,000 590,000 90,000 -81,000 537,000 -237,000 188,000 2,444,000 -559,000 2,343,000 -299,000                      
          changes in operating assets and liabilities
        -14,668,000  -2,664,000 -2,711,000 -6,015,000  1,774,000 -3,972,000 -1,774,000  466,000 1,420,000 6,154,000  700,000 -6,355,000 -6,879,000  -2,128,000 -1,640,000 -5,305,000  1,241,000 -10,711,000 686,000  7,508,000 -404,000 -8,998,000  5,061,000 1,797,000 9,549,000  -2,107,000 -3,471,000 11,277,000  43,215,000 5,000,000 -52,020,000  -2,673,000 118,116,000 -56,359,000  -21,105,000 -47,042,000 -89,468,000  -25,737,000 89,526,000 -56,921,000  -107,877,000 -78,982,000 77,970,000  -76,896,000 47,324,000 -20,224,000  -35,251,000 -24,598,000 61,186,000  45,686,000 -31,441,000 -45,842,000  100,348,000 -4,991,000 13,378,000  
          net cash from operating activities
        19,759,000 31,690,000 25,269,000 22,850,000 20,331,000 25,993,000 20,847,000 11,412,000 15,681,000 26,219,000 25,507,000 24,005,000 39,847,000 30,066,000 55,474,000 46,963,000 32,193,000 43,945,000 33,084,000 18,900,000 14,331,000 8,806,000 13,894,000 -4,641,000 18,103,000 25,795,000 33,056,000 30,903,000 31,570,000 36,346,000 53,051,000 25,710,000 30,407,000 33,273,000 43,974,000 39,696,000 64,236,000 129,634,000 75,002,000 23,603,000 -162,644,000 12,651,000 41,892,000 228,899,000 90,095,000 225,430,000 164,892,000 140,341,000 90,451,000 273,623,000 210,324,000 263,226,000 121,457,000 198,930,000 166,524,000 186,796,000 230,910,000 147,529,000 66,952,000 181,247,000 79,757,000 50,916,000 80,753,000 110,857,000 147,602,000 38,339,000 131,238,000 68,751,000 73,231,000 44,821,000 237,534,000 140,145,000 156,689,000 117,896,000 
          capital expenditures
         -17,250,000 -19,350,000 -13,077,000 -2,644,000 -12,832,000 -9,966,000 -2,409,000 -537,000 -694,000 -2,239,000 -22,079,000 -504,000 -12,956,000 -21,875,000 -6,330,000 -4,998,000 -2,968,000 -4,226,000 -1,295,000 -3,153,000 -652,000 -1,296,000 -1,362,000 -5,452,000 -20,955,000 -47,047,000 -61,422,000 -62,254,000 -40,228,000 -51,491,000 -29,801,000 -65,527,000 -66,503,000 -63,839,000 -45,218,000 -43,686,000 134,776,000 -60,207,000 -55,699,000 -70,546,000 -117,296,000 -125,083,000 -259,770,000 -377,052,000 -481,867,000 -414,766,000 -325,683,000 -331,016,000 -333,192,000 -334,954,000 -406,709,000 -421,876,000 -520,635,000 -502,697,000 -521,199,000 -601,841,000 -432,254,000 -439,482,000 -440,519,000 -431,382,000 -350,184,000 -266,851,000 -236,756,000 -190,580,000 -87,052,000 -103,887,000 -174,082,000 -350,184,000 -449,060,000 -675,054,000 -515,651,000 -418,650,000 -385,688,000 
          free cash flows
         14,440,000 5,919,000 9,773,000 17,687,000 13,161,000 10,881,000 9,003,000 15,144,000 25,525,000 23,268,000 1,926,000 39,343,000 17,110,000 33,599,000 40,633,000 27,195,000 40,977,000 28,858,000 17,605,000 11,178,000 8,154,000 12,598,000 -6,003,000 12,651,000 4,840,000 -13,991,000 -30,519,000 -30,684,000 -3,882,000 1,560,000 -4,091,000 -35,120,000 -33,230,000 -19,865,000 -5,522,000 20,550,000 264,410,000 14,795,000 -32,096,000 -233,190,000 -104,645,000 -83,191,000 -30,871,000 -286,957,000 -256,437,000 -249,874,000 -185,342,000 -240,565,000 -59,569,000 -124,630,000 -143,483,000 -300,419,000 -321,705,000 -336,173,000 -334,403,000 -370,931,000 -284,725,000 -372,530,000 -259,272,000 -351,625,000 -299,268,000 -186,098,000 -125,899,000 -42,978,000 -48,713,000 27,351,000 -105,331,000 -276,953,000 -404,239,000 -437,520,000 -375,506,000 -261,961,000 -267,792,000 
          cash flows from investing activities
                                                                                  
          capital expenditures for property, plant and equipment
        -20,864,000 -17,250,000 -19,350,000 -15,600,000 -6,411,000 -12,832,000 -9,997,000 -2,451,000 -1,124,000 -694,000 -1,354,000 -14,935,000 -9,392,000 -12,956,000 -19,170,000 -6,330,000 -5,629,000 -2,968,000 -4,226,000 -1,295,000 -3,094,000 -652,000 -1,296,000 -1,362,000 -5,452,000 -20,955,000 -47,047,000 -61,422,000 -62,254,000 -40,228,000 -51,491,000 -29,801,000 -65,527,000 -66,503,000 -63,839,000 -45,218,000 -43,686,000 134,776,000 -60,207,000 -55,699,000 -70,546,000 -117,296,000 -125,083,000 -259,770,000 -377,052,000 -481,867,000 -414,766,000 -325,683,000 -331,016,000 -333,192,000 -334,954,000 -406,709,000 -421,876,000 -520,635,000 -502,697,000 -521,199,000 -601,841,000 -432,254,000 -439,482,000 -440,519,000 -431,382,000 -350,184,000 -266,851,000 -236,756,000 -190,580,000 -87,052,000 -103,887,000 -174,082,000 -350,184,000 -449,060,000 -675,054,000 -515,651,000 -418,650,000 -385,688,000 
          acquisition of oil and natural gas assets
        -2,651,000                                                                          
          purchase of other property and equipment
         -237,000 -325,000 11,000 6,000 -18,000 2,000 -15,000 -16,000 -49,000 -59,000                                                      
          proceeds from sale of assets
         91,000 330,000 406,000 49,000 512,000 290,000 533,000 38,000 61,000 77,000   142,000 247,000 59,000 74,000 186,000 662,000 37,238,000 313,000 35,737,000 517,000 989,000 246,000 495,000 511,000 341,000 13,861,000 934,000 12,608,000 955,000 2,065,000 5,013,000 4,553,000 10,203,000 -8,249,000 3,356,000 13,562,000 3,172,000 21,117,000 23,925,000 8,707,000 2,755,000 181,000 6,495,000 433,000 707,366,000 16,760,000 3,469,000 4,512,000 2,559,374,000 8,996,000 1,312,000 151,851,000 269,008,000 234,638,000 255,516,000 209,715,000 159,536,000 91,529,000 107,380,000 436,000 5,606,000 -410,000 9,662,000 253,721,000 247,000 247,000 5,343,000 152,739,000 452,000 2,576,000 
          net cash from investing activities
        -23,515,000  -22,383,000 -14,490,000 -9,255,000 -16,034,000 -133,543,000 -4,015,000 -1,104,000 -633,000 -12,507,000 -13,616,000 -9,408,000 -12,956,000 -19,028,000 -7,514,000 -5,619,000  -4,040,000 -4,178,000 34,085,000  31,165,000 -845,000 -4,463,000 -20,709,000 -46,552,000 -61,001,000 -61,587,000 -51,131,000 -50,557,000 -17,193,000 -64,572,000 -64,514,000 -58,826,000 -40,828,000 -81,556,000 127,855,000 -56,782,000 -43,439,000 -67,469,000 -309,891,000 -100,914,000 -252,799,000 -376,036,000 -483,150,000 -408,638,000 -339,451,000 373,998,000 -317,933,000 -338,410,000 -405,751,000 2,132,450,000 -515,360,000 -576,829,000 -1,120,412,000 -343,344,000 -209,493,000 -206,717,000 -230,804,000 -271,846,000 -248,655,000 -297,899,000 -236,320,000 -179,879,000 -882,536,000 -94,225,000 79,639,000 -349,937,000 -452,341,000 -671,211,000 -366,912,000 -418,979,000 -488,240,000 
          cash flows from financing activities
                                                                                  
          dividends paid to stockholders
        -3,862,000 -3,850,000                                                                         
          reduction of financing lease liability
        -226,000 -152,000 -180,000 -207,000 -199,000 -145,000 -167,000 -189,000 -207,000 -174,000 -153,000 -129,000 -132,000 -246,000 -98,000 -84,000 -113,000 -531,000 -371,000 -48,000 -74,000 -256,000 -283,000 -328,000 -366,000 -340,000 -399,000 -342,000 -293,000                                              
          repurchases of common stock
          -476,000 -880,000 -5,047,000                                                                      
          tax withholdings paid in exchange for shares withheld on employee vested stock awards
        -405,000 -47,000 -19,000 -78,000 -146,000 -37,000 -129,000 -124,000 -103,000 -718,000 -211,000                                                             
          net cash from financing activities
        -4,493,000 -4,049,000 -4,498,000 -5,270,000 -9,478,000 -4,529,000 -4,515,000 -4,598,000 -60,028,000 -3,885,000 -4,784,000 -73,926,000 -343,000 -245,000 -1,028,000 -42,000 -320,000 -529,000 -20,651,000 -628,000 -167,000 7,583,000 -47,345,000 12,672,000 -11,867,000 -4,846,000 9,435,000 30,552,000 19,707,000 -44,000 -5,715,000 -37,965,000 -2,964,000 -875,000 -1,467,000 -2,912,000 -863,882,000 294,000 -40,040,000 488,567,000 -57,314,000 -134,453,000 995,696,000 116,509,000 -151,273,000 -84,766,000 -61,776,000 -99,468,000 -61,284,000 -45,998,000 -71,867,000 -1,254,940,000 -47,484,000 662,912,000 1,226,847,000 32,595,000 -55,792,000 460,587,000 45,635,000 194,763,000 201,013,000 217,652,000 124,975,000 26,987,000 837,416,000 -22,992,000 -147,845,000 276,146,000 407,258,000 158,687,000 501,929,000 199,881,000 401,466,000 
          net increase in cash, cash equivalents and restricted cash
        -8,249,000 9,758,000 -1,612,000 3,090,000 1,598,000 5,430,000 -117,211,000 2,799,000 -45,451,000 21,701,000 8,216,000 -63,537,000 30,096,000 16,865,000 35,418,000 39,407,000 26,254,000 40,522,000 8,393,000 14,094,000 48,249,000 15,625,000 -2,286,000 7,186,000 1,773,000         -34,205,000 -15,727,000 -2,599,000 -20,232,000                                      
          cash, cash equivalents and restricted cash, beginning of year
        112,345,000 99,511,000 253,944,000 257,468,000 139,524,000 28,266,000 5,968,000 19,645,000 101,308,000 174,071,000                                      
          cash, cash equivalents and restricted cash, end of period
        104,096,000  -1,612,000 3,090,000 101,109,000  -117,211,000 2,799,000 208,493,000  8,216,000 -63,537,000 287,564,000  35,418,000 39,407,000 165,778,000  8,393,000 14,094,000 76,515,000  -2,286,000 7,186,000 7,741,000  -4,061,000 454,000 9,335,000  2,494,000 2,802,000 29,178,000  -15,727,000 -2,599,000 153,839,000                                      
          supplemental disclosure of cash flow information
                                                                                  
          cash paid for interest, net of amounts capitalized
        -56,000  -162,000 -38,000 -28,000  -28,000 -31,000 -33,000  -21,000 -22,000 -32,000  -31,000 -22,000 -145,000  -62,000 -14,000 -92,000  -459,000 -272,000 -540,000  -497,000 -541,000 -408,000            -75,450,000  -36,333,000 -86,959,000 -90,286,000  -89,600,000 -27,443,000 -92,896,000  -91,433,000 -29,619,000 -127,181,000                      
          supplemental disclosure of noncash investing and financing activities
                                                                                  
          capital expenditures for property, plant and equipment in accounts payable and accrued expenses
        10,620,000                                                                          
          right-of-use assets obtained in exchange for financing lease obligations
        200,000  229,000  230,000  183,000    421,000    597,000 363,000  67,000  582,000 663,000 1,992,000                                              
          inventory material transfers to oil and natural gas properties
          -2,000 5,000  70,000 52,000 19,000  41,000 1,130,000 75,000                                                              
          asset retirement obligation capitalized
        12,000  2,000 31,000 7,000      12,000                                                              
          asset retirement obligation removed due to divestiture
          -288,000                                                                      
          change in accrued excise tax on repurchases of common stock
          -99,000                                                                        
          change in dividends payable
        -6,000  -36,000 39,000 9,000  107,000 -312,000 247,000                                                                  
          depreciation, depletion and amortization
                                       34,001,000 31,150,000 33,672,000 39,276,000 30,531,000 28,408,000 -70,043,000 33,849,000 34,926,000 39,161,000 63,155,000 77,880,000 106,806,000 119,454,000 123,560,000 126,986,000 112,678,000 130,707,000 149,172,000 152,909,000 154,925,000 172,862,000 190,025,000 182,623,000 154,607,000 101,579,000 103,528,000 100,276,000 89,461,000 86,979,000 91,713,000 103,678,000 66,139,000 64,581,000 60,538,000 45,151,000 48,384,000 72,819,000 100,727,000 89,561,000 88,036,000 83,041,000 74,688,000 
          deferred income taxes
             -6,793,000                                               4,359,000 3,040,000     8,937,000     4,000 -130,755,000 125,563,000 -11,721,000 -30,617,000 8,919,000 
          changes in operating assets and liabilities increasing (decreasing) cash
                                                                                  
          receivables
                                                                                  
          prepaid expenses
                                                                                  
          other current assets
                                                                                  
          other assets and liabilities
                                                                                  
          accounts payable and accrued expenses
                                                                                  
          asset retirement obligations
                                                                                  
          acquisitions of assets
                                                                                  
          sales tax refund on capitalized predecessor completion costs
                                                                                  
          net used in investing activities
                                                                                  
          proceeds from exercise of stock options
                 68,000   7,000 42,000 28,000 2,000                                                        
          common stock repurchases
                                                                                  
          cash, cash equivalents and restricted cash, end of year
                                                                                  
          acquisition of assets
          -3,363,000 -1,859,000 -2,568,000  -123,847,000                  -90,000 326,000      -163,000 -48,073,000  69,000 -1,302,000 -95,000  244,000 -1,736,000 -1,739,000  -367,000 -14,201,000 -2,352,000  -6,925,000 -3,554,000 -5,048,000    -10,511,000                  
          sales tax refund on completion costs
                                                                                 
          non-cash acquisition purchase price adjustments
                                                                                  
          dividends paid to shareholders
           -4,105,000 -4,086,000 -4,114,000 -4,219,000 -4,285,000 -59,718,000 -3,711,000 -3,981,000                                                                
          capital expenditures for property, plant and equipment in accounts payables and accrued expenses
           2,760,000 4,092,000  20,000 36,000 605,000  -887,000 -7,129,000 8,904,000                                                              
          accrued excise tax on repurchases of common stock
            47,000                                                                      
          cash received on warrant exercises
                                                                                  
          provision for expected credit losses
                                                                                  
          debt issuance costs amortization
                         21,000 20,000 16,000 315,000 159,000 159,000 159,000 160,000 160,000 121,000 117,000 118,000 117,000 118,000 117,000 117,000 118,000 117,000 78,000  1,646,000 3,350,000 3,560,000 3,688,000 2,411,000 2,225,000 2,380,000 2,342,000 2,342,000 2,361,000 2,361,000 2,361,000 2,361,000 3,008,000 3,040,000 5,947,000 2,863,000 2,538,000 2,748,000 2,876,000 2,875,000 2,873,000 2,962,000 2,923,000 2,903,000 2,218,000          
          write off of debt issuance costs
                                              4,887,000 2,221,000                              
          (gain) on sale of assets
                                                                                  
          repayments of borrowings
                            -12,000,000 -47,000,000 -5,000,000 -32,500,000 -45,500,000 -47,500,000 -41,000,000 -19,596,000 -10,000,000 -36,304,000     -374,954,000   95,000,000 -94,466,000 -695,000,000 -245,000,000     -1,115,500,000 -350,000,000 -15,772,000 -257,000 -251,000 -388,247,000 -511,523,000 -1,230,272,000 -610,836,000 -516,214,000 -430,846,000 -232,023,000 -542,929,000 -228,768,000 -1,119,560,000 -525,718,000 -1,080,442,000 -198,485,000 -536,678,000 -128,937,000 -452,627,000 
          debt issuance costs
                         6,000 -7,000 -74,000     -1,000 -9,000       -1,488,000  -1,000 -36,000 -296,000 -5,223,000 -8,892,000 -37,224,000 -1,905,000     -91,000 -318,000 -20,904,000 -20,093,000 -7,223,000 -674,000 -12,000 -541,000 -19,099,000 -820,000 -174,000 -11,325,000 -221,000 -9,514,000 -155,000   -364,000 -484,000   
          gain on derivative contracts
                                            -34,183,000    -2,808,000                                  
          realized settlement gains on derivative contracts
                  5,876,000                                                              
          proceeds from exercise of warrants
                                                                                  
          dividend payable
                  810,000                                                                
          provision for doubtful accounts
                         -2,350,000 21,000 2,733,000 186,000 283,000 106,000 1,000 -163,000 72,000 -456,000 329,000 -335,000 273,000     -1,000 4,000 16,701,000                                  
          impairment
                             2,602,000 44,043,000 201,784,000 7,970,000 244,067,000    4,170,000 544,000 498,000 446,000 2,531,000 -399,107,000 354,451,000 253,629,000 110,114,000 886,844,000 1,074,588,000 1,489,391,000 1,083,866,000 24,802,000 54,000 3,133,000 164,779,000 9,950,000 687,000               402,732,000 1,304,418,000      
          cash received on settlement of derivative contracts
                        -1,085,000     -5,318,000 620,000 6,490,000 4,087,000 566,000 622,000 5,078,000 -6,300,000 -11,632,000   -440,000 4,994,000 3,344,000 -638,000 -64,910,000 14,638,000 32,434,000 25,536,000 49,121,000 67,258,000 74,366,000 136,957,000                              
          gain on sale of assets
                            -19,713,000                   -1,330,000 -1,880,000    -1,904,000         -666,000 375,000 300,000 3,080,000    -201,000     60,000 9,000   -142,000 -1,420,000    
          proceeds from borrowings
                             20,000,000 18,000,000 21,000,000 41,000,000 57,500,000 73,000,000 39,596,000          298,000 488,900,000 -125,000,000 1,770,000,000 420,000,000         1,100,344,000   308,000,000 232,000,000 1,493,000,000 522,000,000 754,000,000 568,571,000 273,343,000 981,242,000 206,600,000 872,666,000 559,099,000 1,483,487,000 360,722,000 1,067,780,000 340,220,000 68,772,000 
          realized settlement losses on derivative contracts
                                                                                  
          purchase of plant, property and equipment in accounts payables and accrued expenses
                      -2,705,000                                                            
          cash paid on settlement of derivative contracts
                                        -6,119,000              3,445,000 -13,097,000 -39,164,000                          
          cash paid for tax obligations on vested stock awards
                       -235,000  -286,000 -594,000 -19,000                                                      
          loss on sale of assets
                          761,000    -178,000                   -606,000 6,771,000   988,000 -995,000    539,000 -349,000 398,174,000          -45,000      180,000    23,000  
          purchase of plant property and equipment in accounts payable
                        680,000                                                          
          net cash from (used) in investing activities
                                                                                  
          cash paid for tax withholding on vested stock awards
                                                                                  
          cash received for income taxes
                              616,000                            476,000                      
          purchase of pp&e in accounts payable
                          909,000 -82,000 1,342,000  -21,000 -362,000 1,066,000  -4,434,000                                                
          carrying value of properties exchanged
                                                                                  
          adjustments to reconcile net loss to net cash from operating activities
                                                                                  
          net loss
                             -155,000 -48,749,000 -215,779,000 -12,670,000  -181,602,000 -13,284,000 -5,277,000          -404,337,000 -515,911,000 -313,226,000   -1,588,731,000 -1,151,874,000                            -56,625,000  
          cash paid for tax withholdings on vested stock awards
                             -1,000 -62,000 -1,000 -5,000 -157,000   -44,000 -5,715,000 -1,661,000 -2,964,000                                         
          amortization of discount, net of premium, on debt
                                             -2,815,000 721,000 2,013,000                                  
          gain on extinguishment of debt
                                     -1,151,000      152,000 -41,331,000  -340,699,000                                
          net decrease in cash, cash equivalents and restricted cash
                                 240,000 -4,061,000 454,000 -10,310,000  2,494,000 2,802,000 -72,130,000                                          
          amortization of premiums and discounts on debt
                                      -47,000  -78,000 -78,000 -75,000                                      
          change in accrued capital expenditures
                                    -9,190,000  8,510,000 -7,627,000 28,258,000  -6,901,000 -11,294,000 2,954,000  8,432,000 -452,000 17,065,000  11,787,000 92,205,000 56,861,000  -53,061,000 -51,253,000 55,242,000  -12,372,000 -19,551,000 -33,164,000  57,361,000 40,855,000 -32,183,000 67,378,000 19,659,000 13,573,000 -11,222,000 -16,124,000 51,197,000 12,208,000 38,001,000 15,889,000 -6,170,000 -26,758,000 -53,024,000      
          gain on reorganization items
                                                                                  
          gain on debt derivatives
                                              -1,324,000                                  
          cash paid for early conversion of convertible notes
                                              -33,452,000 -30,033,000                                 
          loss on settlement of contract
                                              1,092,000 89,092,000                                  
          cash paid on settlement of contract
                                              -11,000,000                                  
          deconsolidation of noncontrolling interest
                                                                                  
          proceeds from building mortgage
                                                                                  
          payment of mortgage proceeds and cash recovery to debt holders
                                                                                  
          equity issued for debt
                                          -268,779,000  4,409,000                                  
          loss on debt derivatives
                                                                                  
          noncontrolling interest distributions
                                                 -23,004,000 -30,611,000 -40,974,000 -43,716,000 -43,367,000 -47,298,000 -50,024,000 -53,118,000 -53,468,000 -54,286,000 -47,460,000 -51,256,000 -54,704,000    -1,250,000 -1,500,000 -1,000 -4,000 -2,005,000 -1,502,000 -4,000 -15,000 -11,000      
          dividends paid—preferred
                                                                                  
          cash, cash equivalents and restricted cash end of year
                                                                                  
          reorganization items
                                              30,918,000                                    
          cash paid for reorganization items
                                                                                  
          cumulative effect of adoption of asu 2015-02
                                              -247,566,000                                  
          property, plant and equipment transferred in settlement of contract
                                              -215,635,000                                  
          accretion of asset retirement obligations
                                           2,439,000 2,409,000 -2,275,000 1,390,000 1,387,000 1,588,000 1,154,000 1,132,000 1,111,000 1,080,000 1,165,000 1,116,000 1,065,000 5,746,000 8,726,000 8,472,000 9,800,000 9,779,000                      
          purchase of treasury stock
                                           -1,467,000 -1,424,000 -66,000 -3,000 -4,000 -37,000 -337,000 -484,000 -1,105,000 -1,609,000 -424,000 -2,676,000 -1,252,000 -4,350,000 -1,706,000 -2,802,000 -16,427,000 -12,041,000 -1,916,000 -4,827,000 -836,000 -7,144,000 -1,748,000 -6,018,000 -561,000 -5,469,000 -1,834,000 -2,483,000 -82,000 -2,770,000 -4,652,000 -573,000 -9,000 -513,000 -17,000 -1,628,000 -654,000 -1,254,000  
          proceeds from the sale of royalty trust units
                                                             15,812,000 -1,000 24,700,000 98,849,000                  
          repurchase of common stock
                                                     -94,285,000                             
          cash paid on settlement of financing derivative contracts
                                                                                  
          benefit from doubtful accounts
                                                                 889,000 26,000 1,594,000 2,000 27,000 18,000 84,000 152,000        
          (gain) loss on debt derivatives
                                                                                  
          dividends paid — preferred
                                                  -1,000 -11,261,000  -17,262,000 -10,500,000 -17,263,000  -17,262,000 -10,500,000 -17,263,000  -17,262,000 -10,500,000 -17,263,000  -17,263,000 -10,850,000 -18,130,000  -17,262,000 -11,263,000      -8,036,000 -9,516,000  
          net increase in cash and cash equivalents
                                              18,514,000 -59,876,000 258,454,000 -354,554,000 -193,475,000 971,796,000 -169,432,000 -408,993,000 -328,512,000 -260,886,000 364,981,000 -105,594,000 -174,084,000 -214,392,000 998,967,000 -363,914,000 252,607,000 293,231,000 -79,839,000 -117,756,000   2,674,000 3,274,000    -6,781,000 14,021,000     275,162,000 -62,409,000  
          cash and cash equivalents, beginning of year
                                              435,588,000 181,253,000 814,663,000 309,766,000 207,681,000 5,863,000 7,861,000    636,000 63,135,000 
          cash and cash equivalents, end of period
                                              18,514,000 -59,876,000 694,042,000  -193,475,000 971,796,000 11,821,000  -328,512,000 -260,886,000 1,179,644,000  -174,084,000 -214,392,000 1,308,733,000  252,607,000 293,231,000 127,842,000  320,822,000 -3,922,000 8,537,000  506,000 -488,000 2,571,000  14,021,000 545,000 76,000  -274,990,000 275,162,000 726,000  
          preferred stock dividends paid in common stock
                                                  -9,495,000                                
          adjustments to reconcile net (loss) income to net cash from operating activities
                                                                                  
          amortization of discount, net of premium, on long-term debt
                                                 2,077,000 768,000 143,000 142,000 135,000 136,000 129,000 129,000 123,000 124,000 117,000 672,000                      
          loss on extinguishment of debt
                                                         82,005,000 19,000    2,051,000 36,181,000              
          deferred income tax provision
                                                         -860,000 687,000                        
          loss on long-term debt derivatives
                                                                                  
          costs in excess of billings
                                                                                  
          premium on debt redemption
                                                         -61,997,000 -19,000    -1,543,000 -28,795,000              
          noncontrolling interest contributions
                                                                     149,000            
          acquisition of ownership interest
                                                     -2,730,000                          
          stock-based compensation excess tax benefit
                                                     12,000 2,000    -24,000 1,000 7,000 1,000 45,000 -3,000 10,000 -16,000 17,000 2,000 12,000 -1,699,000 -52,000 -2,113,000      
          payment received on shareholder receivable
                                                                                  
          cash received on settlement of financing derivative contracts
                                                                                 
          cash and cash equivalents, end of year
                                                                                  
          gain on long-term debt holder conversion feature
                                                                                  
          proceeds from sale of royalty trust units
                                                      22,119,000                          
          cash paid for income taxes
                                                     1,389,000    -386,000                        
          equity issued for debt exchange
                                                                                  
          bargain purchase gain
                                                             1,750,000                    
          changes in operating assets and liabilities (decreasing) increasing cash
                                                                                  
          proceeds from issuance of royalty trust units
                                                                               
          adjustments to reconcile net income to net cash provided by operating activities
                                                                                  
          deposit on pending sale
                                                          -255,000,000                      
          asset retirement costs capitalized
                                                      1,454,000 1,126,000 818,000  1,724,000 1,319,000 1,102,000                      
          cash (paid) received on settlement of financing derivative contracts
                                                       -44,128,000     4,185,000                     
          (gain) loss on sale of assets
                                                        -19,000         -896,000 -423,000      -304,000          
          cash (paid) received on settlement of derivative contracts
                                                                                  
          costs in excess of billings and contract loss
                                                                                  
          proceeds from issuance of convertible perpetual preferred stock
                                                                     290,791,000 -87,000          
          cash received on shareholder receivable
                                                                                  
          cash received (paid) on settlement of financing derivative contracts
                                                         1,561,000 -629,000 2,520,000 3,208,000                      
          gain due to change in fair value of derivative contracts
                                                                                  
          loss due to amendment of derivative contracts
                                                                                  
          gain due to contractual maturity of financing derivative contracts
                                                                                  
          adjustment to oil and natural gas properties for estimated contract loss
                                                              10,000,000 6,000,000 19,000,000 7,000,000             
          common stock issued in connection with acquisition
                                                                                
          unrealized gain on derivative contracts
                                                                   -187,904,000 267,254,000    -15,511,000 62,736,000         
          realized loss on amended derivative contracts
                                                             117,108,000                  
          realized gain on financing derivative contracts
                                                                                  
          unrealized loss on derivative contracts
                                                            22,417,000    127,836,000               92,122,000 143,367,000  
          realized (gain) loss on financing derivative contracts
                                                            -3,190,000 4,132,000                     
          change in preferred stock dividends payable
                                                            -3,382,000                      
          unrealized (gain) loss on derivative contracts
                                                                 426,132,000           -108,010,000      
          inventories
                                                                                  
          billings and estimated contract loss in excess of costs incurred
                                                                                  
          acquisitions of assets, net of cash received of 0, 0 and 39,518, respectively
                                                                                  
          deposit received on pending asset sale
                                                                                  
          refunds of restricted deposits
                                                                     5,095,000          
          accretion of asset retirement obligation
                                                              9,053,000 7,965,000 2,607,000                  
          amortization of discount (premium) on long-term debt
                                                                                  
          interest accretion on notes receivable
                                                                                  
          investment (income) loss
                                                                        -427,000          
          acquisitions, net of cash received
                                                              -75,444,000                    
          stock issuance expense
                                                                  -88,000 -143,000              
          convertible perpetual preferred stock dividends payable
                                                              -3,381,000   3,381,000 -3,381,000 7,387,000 9,185,000 11,547,000 -8,631,000 8,633,000 5,814,000          
          discount amortization on long-term debt
                                                               650,000 635,000 617,000 604,000 587,000 575,000 558,000 546,000 530,000 519,000          
          realized (gain) loss on financing derivatives
                                                                                  
          investment income
                                                               471,000 -568,000    -150,000 -269,000             
          distributions to royalty trust unitholders
                                                               -44,061,000 -32,740,000 -39,018,000                 
          cash (paid) received on settlement of financing derivatives
                                                               -43,678,000 -1,634,000                  
          realized loss on financing derivatives
                                                                2,978,000                  
          change in convertible perpetual preferred stock dividends payable
                                                                -3,382,000                  
          investment loss
                                                                 -538,000                 
          income from equity investments
                                                                         7,000 -593,000 -200,000 -234,000 -43,000 60,000    
          billings in excess of costs incurred
                                                                                  
          acquisitions of assets, net of cash received of 0, 39,518 and 0, respectively
                                                                                  
          proceeds from issuance of common stock
                                                                         217,227,000 -96,000       794,694,000 
          dividends paid-preferred
                                                                                  
          cash received on financing derivatives
                                                                                  
          cash paid (received) for income taxes
                                                                                  
          stock issued to satisfy settlement
                                                                                  
          inventory obsolescence
                                                                  125,000    76,000            
          acquisition of assets, net of cash received of 0 and 39,518, respectively
                                                                                  
          derivative settlements
                                                                  3,127,000 3,352,000 3,662,000 1,732,000             
          proceeds from issuance of units by sandridge mississippian trust i
                                                                                  
          net decrease in cash and cash equivalents
                                                                       -488,000 -5,290,000    -560,000      
          billings in excess of costs/costs in excess of billings
                                                                                  
          acquisitions of assets, net of 39,518 and 0 cash received
                                                                                  
          contributions on equity investments
                                                                                  
          loans to equity investees
                                                                                  
          fundings of restricted deposits
                                                                             -781,000  
          cash paid for interest
                                                                                  
          cash (received) paid for income taxes
                                                                                  
          accretion on redeemable convertible preferred stock
                                                                             6,149,000 1,487,000 359,000 
          cash flows from operating activities:
                                                                                  
          adjustments to reconcile net income to net cash from operating activities:
                                                                                  
          cash flows from investing activities:
                                                                                  
          acquisition of assets, net of cash received of 39,518
                                                                                  
          cash flows from financing activities:
                                                                                  
          supplemental disclosure of noncash investing and financing activities:
                                                                                  
          benefit from inventory obsolescence
                                                                                  
          interest income — restricted deposits
                                                                             -98,000 -61,000 -51,000 -192,000 -330,000 
          changes in operating assets and liabilities increasing (decreasing) cash:
                                                                                  
          dividends paid-redeemable convertible preferred
                                                                                  
          supplemental disclosure of cash flow information:
                                                                                  
          redeemable convertible preferred stock dividends, net of dividends paid
                                                                                 
          insurance premium financed
                                                                                  
          debt costs amortization
                                                                          2,360,000        
          investment income — restricted deposits
                                                                          -12,000        
          loans to unconsolidated investees
                                                                              -1,500,000    
          proceeds from issuance of 8.5% convertible perpetual preferred stock
                                                                          243,289,000      
          cash and cash equivalents, beginning of period
                                                                                 
          8.5% convertible perpetual preferred stock dividends payable
                                                                                  
          debt issuance cost amortization
                                                                            1,611,000 1,597,000 1,581,000 1,348,000 1,097,000 1,095,000 
          investment loss (income) — restricted deposits
                                                                            47,000      
          minority interest
                                                                             2,000 2,000 16,000 835,000 -597,000 
          billings in excess of costs
                                                                                  
          acquisitions of assets, net of cash received of 0, 0 and 21,100
                                                                                  
          proceeds from sale of investments
                                                                                  
          loans to equity investee
                                                                                  
          restricted cash
                                                                                  
          minority interest distributions
                                                                                  
          proceeds from issuance of redeemable convertible preferred stock
                                                                                  
          accrued capital expenditures
                                                                                  
          common stock issued in connection with acquisitions
                                                                                  
          assumption of restricted deposits and notes payable in connection with acquisition
                                                                                  
          stock-based compensation, net of tax
                                                                                  
          minority interest (distributions) contributions
                                                                              -1,438,000 -3,427,000 -632,000  
          insurance premiums financed
                                                                                  
          property, plant, and equipment addition due to settlement
                                                                                  
          adjustments to reconcile net income to net cash provided by operating activities:
                                                                                  
          adjustments to reconcile net loss to net cash from operating activities:
                                                                                  
          income from equity investments, net of distributions
                                                                                -859,000  
          income from discontinued operations, net of tax
                                                                                  
          income from continuing operations
                                                                                  
          unrealized (gain) loss on derivatives
                                                                                  
          (income) loss on sale of assets
                                                                                  
          (gain) income from equity investments, net of distributions
                                                                                  
          net cash from operating activities by continuing operations
                                                                                  
          net cash from operating activities by discontinued operations
                                                                                  
          acquisitions of assets, net of cash received of 0, 21,100 and 66
                                                                                  
          net cash from investing activities for continuing operations
                                                                                  
          net cash from investing activities for discontinued operations
                                                                                  
          minority interests contributions
                                                                                  
          purchase of treasury shares
                                                                                 -82,000 
          net cash from financing activities for continuing operations
                                                                                  
          net cash from financing activities for discontinued operations
                                                                                  
          assets disposed in exchange for common stock
                                                                                  
          unrealized gain on derivatives
                                                                                  
          proceeds from sale of investment
                                                                                  
          restricted deposits
                                                                                  
          minority interest contributions
                                                                                  
          property, plant and equipment addition due to settlement