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Acquisitions and Divestitures - Gulf of Mexico Property Acquisitions - Unaudited Pro Forma Results of Operations (Details) (Gulf of Mexico Properties, USD $) In Thousands, except Per Share data, unless otherwise specified | 9 Months Ended
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Sep. 30, 2012
Gulf of Mexico Properties |
Business Acquisition |
Revenues | $ 1,421,283
Net income | 543,947
Income available to SandRidge Energy, Inc. common stockholders | $ 390,227
Earnings per common share |
Basic (in dollars per share) | $ 0.87
Diluted (in dollars per share) | $ 0.80

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