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Quarterly Financial Results (Unaudited)(As Restated) Parenthetical (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Loss) income from operations | $ 122,261,000 us-gaap_OperatingIncomeLoss | [1],[2],[3],[4] | $ (2,166,000)us-gaap_OperatingIncomeLoss | [1],[2],[3],[4] | $ 78,386,000 us-gaap_OperatingIncomeLoss | [1],[2],[3],[4] | $ (367,482,000)us-gaap_OperatingIncomeLoss | [1],[2],[3],[4] | $ (209,690,000)us-gaap_OperatingIncomeLoss | [5],[6],[7] | $ (75,871,000)us-gaap_OperatingIncomeLoss | [5],[6],[7] | $ 762,413,000 us-gaap_OperatingIncomeLoss | [5],[6],[7] | $ (151,656,000)us-gaap_OperatingIncomeLoss | [5],[6],[7] | $ (169,001,000)us-gaap_OperatingIncomeLoss |  | $ 325,196,000 us-gaap_OperatingIncomeLoss | [8] | $ 429,013,000 us-gaap_OperatingIncomeLoss |
Net (loss) income | 73,379,000 us-gaap_ProfitLoss | [1],[2],[3],[4] | (65,256,000)us-gaap_ProfitLoss | [1],[2],[3],[4] | 16,613,000 us-gaap_ProfitLoss | [1],[2],[3],[4] | (539,215,000)us-gaap_ProfitLoss | [1],[2],[3],[4] | (294,529,000)us-gaap_ProfitLoss | [5],[6],[7],[9] | (159,752,000)us-gaap_ProfitLoss | [5],[6],[7],[9] | 917,076,000 us-gaap_ProfitLoss | [5],[6],[7],[9] | (216,224,000)us-gaap_ProfitLoss | [5],[6],[7],[9] | (514,479,000)us-gaap_ProfitLoss |  | 246,571,000 us-gaap_ProfitLoss |  | 162,388,000 us-gaap_ProfitLoss |
(Loss applicable) income available to SandRidge Energy, Inc. common stockholders | 29,480,000 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | [1],[2],[3],[4] | (95,328,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | [1],[2],[3],[4] | (42,389,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | [1],[2],[3],[4] | (501,177,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | [1],[2],[3],[4] | (301,785,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | [5],[6],[7],[9] | (184,301,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | [5],[6],[7],[9] | 804,191,000 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | [5],[6],[7],[9] | (232,059,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | [5],[6],[7],[9] | (609,414,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic |  | 86,046,000 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic |  | 52,482,000 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic |
Basic earnings (loss) per share (in dollars) | $ 0.06 us-gaap_EarningsPerShareBasic | [1],[10] | $ (0.20)us-gaap_EarningsPerShareBasic | [1],[10] | $ (0.09)us-gaap_EarningsPerShareBasic | [1],[10] | $ (1.05)us-gaap_EarningsPerShareBasic | [1],[10] | $ (0.63)us-gaap_EarningsPerShareBasic | [10],[7] | $ (0.39)us-gaap_EarningsPerShareBasic | [10],[7] | $ 1.74 us-gaap_EarningsPerShareBasic | [10],[7] | $ (0.58)us-gaap_EarningsPerShareBasic | [10],[7] | $ (1.27)us-gaap_EarningsPerShareBasic |  | $ 0.19 us-gaap_EarningsPerShareBasic |  | $ 0.13 us-gaap_EarningsPerShareBasic |
Diluted earnings (loss) per share (in dollars) | $ 0.06 us-gaap_EarningsPerShareDiluted | [1],[10] | $ (0.20)us-gaap_EarningsPerShareDiluted | [1],[10] | $ (0.09)us-gaap_EarningsPerShareDiluted | [1],[10] | $ (1.05)us-gaap_EarningsPerShareDiluted | [1],[10] | $ (0.63)us-gaap_EarningsPerShareDiluted | [10],[7] | $ (0.39)us-gaap_EarningsPerShareDiluted | [10],[7] | $ 1.46 us-gaap_EarningsPerShareDiluted | [10],[7] | $ (0.58)us-gaap_EarningsPerShareDiluted | [10],[7] | $ (1.27)us-gaap_EarningsPerShareDiluted |  | $ 0.19 us-gaap_EarningsPerShareDiluted |  | $ 0.13 us-gaap_EarningsPerShareDiluted |
Asset impairment charges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 26,280,000 us-gaap_AssetImpairmentCharges |  | 316,004,000 us-gaap_AssetImpairmentCharges |  | 2,825,000 us-gaap_AssetImpairmentCharges |
Loss (gain) on derivative contracts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 47,123,000 us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet |  | (241,419,000)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet |  | (44,075,000)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet |
Total revenues | 465,108,000 us-gaap_Revenues |  | 493,603,000 us-gaap_Revenues |  | 512,987,000 us-gaap_Revenues |  | 511,690,000 us-gaap_Revenues |  | 541,775,000 us-gaap_Revenues | [7] | 532,798,000 us-gaap_Revenues | [7] | 478,434,000 us-gaap_Revenues | [7] | 381,635,000 us-gaap_Revenues | [7] | 1,983,388,000 us-gaap_Revenues |  | 1,934,642,000 us-gaap_Revenues | [8] | 1,415,213,000 us-gaap_Revenues |
Total expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,152,389,000 us-gaap_CostsAndExpenses |  | 1,609,446,000 us-gaap_CostsAndExpenses |  | 986,200,000 us-gaap_CostsAndExpenses |
Goodwill impairment loss |  |  |  |  |  |  |  |  | 235,400,000 us-gaap_GoodwillImpairmentLoss |  |  |  |  |  |  |  |  |  | 235,400,000 us-gaap_GoodwillImpairmentLoss |  |  |
Drilling Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset impairment charges |  |  |  |  | 10,600,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_DrillingAssetsMember |  |  |  |  |  |  |  |  |  |  |  | 11,100,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_DrillingAssetsMember |  |  |  |  |
Gas Treating Plants and CO2 Compression Facilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset impairment charges |  |  |  |  |  |  |  |  | 79,300,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_GasTreatingPlantsAndCo2CompressionFacilitiesMember |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate Asset |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset impairment charges |  |  |  |  | 2,900,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_CorporateAssetMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gas Treating Plants and other Midstream Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset impairment charges | 10,000,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_GasTreatingPlantsandotherMidstreamAssetsMember |  |  |  | 2,100,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_GasTreatingPlantsandotherMidstreamAssetsMember |  |  |  |  |  |  |  |  |  |  |  | 12,200,000 us-gaap_AssetImpairmentCharges / us-gaap_PropertyPlantAndEquipmentByTypeAxis = sd_GasTreatingPlantsandotherMidstreamAssetsMember |  |  |  |  |
Dynamic Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, measurement period adjustment |  |  |  |  |  |  |  |  |  |  |  |  | (4,800,000)sd_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentsTotal / us-gaap_BusinessAcquisitionAxis = sd_DynamicAcquisitionMember |  |  |  |  |  |  |  |  |
Exploration and Production |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Loss) income from operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 62,509,000 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = sd_OilAndGasExplorationAndProductionMember | [11] | 518,144,000 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = sd_OilAndGasExplorationAndProductionMember | [11],[8] | 521,117,000 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = sd_OilAndGasExplorationAndProductionMember | [11]
Total revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,834,160,000 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = sd_OilAndGasExplorationAndProductionMember |  | 1,774,818,000 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = sd_OilAndGasExplorationAndProductionMember | [8] | 1,237,300,000 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = sd_OilAndGasExplorationAndProductionMember |
Goodwill impairment loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 235,400,000 us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = sd_OilAndGasExplorationAndProductionMember |  |  |
Commodity Derivatives |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss (gain) on derivative contracts | (22,900,000)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = sd_CommodityDerivativesMember |  | 132,800,000 us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = sd_CommodityDerivativesMember |  | (103,700,000)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = sd_CommodityDerivativesMember |  | 40,900,000 us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = sd_CommodityDerivativesMember |  | (19,600,000)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = sd_CommodityDerivativesMember |  | 193,500,000 us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = sd_CommodityDerivativesMember |  | (669,900,000)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = sd_CommodityDerivativesMember |  | 254,600,000 us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = sd_CommodityDerivativesMember |  | 47,100,000 us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = sd_CommodityDerivativesMember |  | (241,400,000)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = sd_CommodityDerivativesMember |  | (44,100,000)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_DerivativeInstrumentRiskAxis = sd_CommodityDerivativesMember |
Permian Properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on divestiture |  |  |  |  |  |  | (398,900,000)us-gaap_GainLossOnSaleOfOilAndGasProperty / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_PermianPropertiesMember |  |  |  |  |  |  |  |  |  | (398,900,000)us-gaap_GainLossOnSaleOfOilAndGasProperty / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_PermianPropertiesMember |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 68,027,000 us-gaap_Revenues / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_PermianPropertiesMember | [12] | 566,075,000 us-gaap_Revenues / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_PermianPropertiesMember |  | 614,666,000 us-gaap_Revenues / us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis = sd_PermianPropertiesMember |
Treating Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shortfall accrued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 32,700,000 sd_ShortfallAccrued / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember |  |  |  |  |
Restatement Adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | (796,300,000)us-gaap_Revenues / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  |  |  |  |  |  |  |  |  | (796,300,000)us-gaap_Revenues / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  |  |
Total expenses |  |  |  |  |  |  |  |  | (796,300,000)us-gaap_CostsAndExpenses / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  |  |  |  |  |  |  |  |  | (796,300,000)us-gaap_CostsAndExpenses / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  |  |
Restatement Adjustment | Exploration and Production |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (796,300,000)us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = sd_OilAndGasExplorationAndProductionMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  |  |
Restatement Adjustment | Treating Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Loss) income from operations | 24,300,000 us-gaap_OperatingIncomeLoss / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  | (8,300,000)us-gaap_OperatingIncomeLoss / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  | (8,100,000)us-gaap_OperatingIncomeLoss / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  | (8,000,000)us-gaap_OperatingIncomeLoss / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net (loss) income | 24,300,000 us-gaap_ProfitLoss / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  | (8,300,000)us-gaap_ProfitLoss / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  | (8,100,000)us-gaap_ProfitLoss / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  | (8,000,000)us-gaap_ProfitLoss / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Loss applicable) income available to SandRidge Energy, Inc. common stockholders | $ 24,300,000 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  | $ (8,300,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  | $ (8,100,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  | $ (8,000,000)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic earnings (loss) per share (in dollars) | $ 0.05 us-gaap_EarningsPerShareBasic / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  | $ (0.02)us-gaap_EarningsPerShareBasic / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  | $ (0.02)us-gaap_EarningsPerShareBasic / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  | $ (0.02)us-gaap_EarningsPerShareBasic / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Diluted earnings (loss) per share (in dollars) | $ 0.05 us-gaap_EarningsPerShareDiluted / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  | $ (0.02)us-gaap_EarningsPerShareDiluted / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  | $ (0.02)us-gaap_EarningsPerShareDiluted / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  | $ (0.02)us-gaap_EarningsPerShareDiluted / us-gaap_LossContingenciesByNatureOfContingencyAxis = sd_TreatingAgreementMember / us-gaap_StatementScenarioAxis = us-gaap_RestatementAdjustmentMember |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | Quarterly results for 2013 have been restated to reflect accrual of the 2013 CO2 shortfall penalty, totaling $32.7 million, on a quarterly basis. Loss from operations, net loss and loss applicable to SandRidge Energy, Inc. common stockholders have increased by approximately $8.0 million, $8.1 million and $8.3 million for the three-month periods ended March 31, 2013, June 30, 2013 and September 30, 2013, respectively, and income from operations, net income and income available to Sandridge Energy, Inc. common stockholders have increased by $24.3 million for the three-month period ended December 31, 2013. Loss applicable per basic and diluted share has increased by approximately $0.02 for each of the three-month periods ended March 31, 2013, June 30, 2013 and September 30, 2013, respectively, and income available per basic and diluted share has increased by approximately $0.05 for the three-month period ended December 31, 2013. See Note 16 for discussion of the related treating agreement.
[2] | Includes loss on sale of Permian Properties of $398.9 million in the first quarter of 2013.
[3] | Includes loss (gain) on commodity derivative contracts of $40.9 million, $(103.7) million, $132.8 million and $(22.9) million for the first, second, third and fourth quarters, respectively.
[4] | Includes a $10.6 million impairment of various drilling assets and a $2.9 million impairment of a corporate asset in the second quarter of 2013 and a $2.1 million and $10.0 million impairment of certain midstream inventory, natural gas compressors, gas treating plants and a CO2 compression station in the second and fourth quarters of 2013, respectively.
[5] | Includes a $235.4 million goodwill impairment and a $79.3 million impairment of gas treating plants and CO2 compression facilities in the fourth quarter of 2012.
[6] | Includes loss (gain) on commodity derivative contracts of $254.6 million, $(669.9) million, $193.5 million and $(19.6) million for the first, second, third and fourth quarters, respectively.
[7] | Total revenues and total expenses for the three-month period ended December 31, 2012 have been reduced by $796.3 million from amounts previously presented. See Note 2.
[8] | Exploration and Production and consolidated total revenues and total revenues and expenses have been reduced by $796.3 million from amounts previously presented. See Note 2.
[9] | Includes adjustments of $(4.8) million retrospectively applied to the second quarter of 2012 as a result of measurement period adjustments made to the preliminary purchase price allocation for the Dynamic Acquisition in the fourth quarter of 2012.
[10] | (Loss applicable) income available per share to common stockholders for each quarter is computed using the weighted-average number of shares outstanding during the quarter, while earnings per share for the fiscal year is computed using the weighted-average number of shares outstanding during the year. Thus, the sum of (loss applicable) income available per share to common stockholders for each of the four quarters may not equal the fiscal year amount.
[11] | Income from operations includes impairment of the Company’s goodwill of $235.4 million for the year ended December 31, 2012.
[12] | Includes revenues and direct operating expenses through February 26, 2013, the date of sale.

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