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Condensed Consolidating Financial Information - Condensed Consolidating Balance Sheets of SandRidge Energy, Inc. and Wholly Owned Subsidiary Guarantors and Non-Guarantors' (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
--- | --- | --- | --- | ---
Current assets |  |  |  |
Cash and cash equivalents | $ 309,766 | $ 207,681 | $ 5,863 | $ 7,861
Accounts receivable, net | 445,506 | 206,336 |  |
Derivative contracts | 71,022 | 4,066 |  |
Prepaid expenses | 31,319 | 14,099 |  |
Restricted deposit | 255,000 | 0 |  |
Other current assets | 30,272 | 9,658 |  |
Total current assets | 1,142,885 | 441,840 |  |
Property, plant and equipment, net | 8,479,977 | 5,389,424 |  |
Investment in subsidiaries | 0 | 0 |  |
Derivative contracts | 23,617 | 26,415 |  |
Goodwill | 0 | 235,396 |  |
Other assets | 144,252 | 126,534 |  |
Total assets | 9,790,731 | 6,219,609 |  |
Current liabilities |  |  |  |
Accounts payable and accrued expenses | 766,544 | 506,784 |  |
Derivative contracts | 14,860 | 115,435 |  |
Asset retirement obligations | 118,504 | 32,906 | 25,360 |
Deposit on pending sale | 255,000 | 0 |  |
Other current liabilities | 15,546 | 44,371 |  |
Total current liabilities | 1,170,454 | 699,496 |  |
Long-term debt | 4,301,083 | 2,813,125 |  |
Derivative contracts | 59,787 | 49,695 |  |
Asset retirement obligations | 379,906 | 95,210 | 94,517 |
Other long-term obligations | 17,046 | 13,133 |  |
Total liabilities | 5,928,276 | 3,670,659 |  |
Equity |  |  |  |
SandRidge Energy, Inc. stockholders' equity | 2,368,853 | 1,626,011 |  |
Noncontrolling interest | 1,493,602 | 922,939 |  |
Total equity | 3,862,455 | 2,548,950 | 1,547,483 | (195,905)
Total liabilities and equity | 9,790,731 | 6,219,609 |  |
Parent |  |  |  |
Current assets |  |  |  |
Cash and cash equivalents | 300,228 | 204,015 | 1,441 | 339
Accounts receivable, net | 2,162,471 | 1,217,096 |  |
Derivative contracts | 0 | 0 |  |
Prepaid expenses | 0 | 0 |  |
Restricted deposit | 0 |  |  |
Other current assets | 1,375 | 0 |  |
Total current assets | 2,464,074 | 1,421,111 |  |
Property, plant and equipment, net | 0 | 0 |  |
Investment in subsidiaries | 5,425,907 | 3,609,244 |  |
Derivative contracts | 0 | 0 |  |
Goodwill |  | 0 |  |
Other assets | 83,642 | 51,724 |  |
Total assets | 7,973,623 | 5,082,079 |  |
Current liabilities |  |  |  |
Accounts payable and accrued expenses | 1,236,793 | 643,376 |  |
Derivative contracts | 2,394 | 8,475 |  |
Asset retirement obligations | 0 | 0 |  |
Deposit on pending sale | 0 |  |  |
Other current liabilities | 0 | 0 |  |
Total current liabilities | 1,239,187 | 651,851 |  |
Long-term debt | 4,306,985 | 2,798,147 |  |
Derivative contracts | 0 | 1,973 |  |
Asset retirement obligations | 0 | 0 |  |
Other long-term obligations | 1,329 | 1,758 |  |
Total liabilities | 5,547,501 | 3,453,729 |  |
Equity |  |  |  |
SandRidge Energy, Inc. stockholders' equity | 2,426,122 | 1,628,350 |  |
Noncontrolling interest | 0 | 0 |  |
Total equity | 2,426,122 | 1,628,350 |  |
Total liabilities and equity | 7,973,623 | 5,082,079 |  |
Guarantors |  |  |  |
Current assets |  |  |  |
Cash and cash equivalents | 922 | 437 | 564 | 2,841
Accounts receivable, net | 808,435 | 247,824 |  |
Derivative contracts | 60,736 | 2,567 |  |
Prepaid expenses | 31,135 | 13,442 |  |
Restricted deposit | 255,000 |  |  |
Other current assets | 24,188 | 2,621 |  |
Total current assets | 1,180,416 | 266,891 |  |
Property, plant and equipment, net | 7,236,685 | 4,462,846 |  |
Investment in subsidiaries | (86,235) | 90,920 |  |
Derivative contracts | 15,957 | 20,746 |  |
Goodwill |  | 235,396 |  |
Other assets | 66,512 | 74,760 |  |
Total assets | 8,413,335 | 5,151,559 |  |
Current liabilities |  |  |  |
Accounts payable and accrued expenses | 2,087,046 | 1,166,029 |  |
Derivative contracts | 30,664 | 115,829 |  |
Asset retirement obligations | 118,504 | 32,906 |  |
Deposit on pending sale | 255,000 |  |  |
Other current liabilities | 15,546 | 43,320 |  |
Total current liabilities | 2,506,760 | 1,358,084 |  |
Long-term debt | 0 | 0 |  |
Derivative contracts | 85,241 | 77,827 |  |
Asset retirement obligations | 379,710 | 95,029 |  |
Other long-term obligations | 15,717 | 11,375 |  |
Total liabilities | 2,987,428 | 1,542,315 |  |
Equity |  |  |  |
SandRidge Energy, Inc. stockholders' equity | 5,425,907 | 3,609,244 |  |
Noncontrolling interest | 0 | 0 |  |
Total equity | 5,425,907 | 3,609,244 |  |
Total liabilities and equity | 8,413,335 | 5,151,559 |  |
Non-Guarantors |  |  |  |
Current assets |  |  |  |
Cash and cash equivalents | 8,616 | 3,229 | 3,858 | 4,681
Accounts receivable, net | 717,715 | 602,541 |  |
Derivative contracts | 28,484 | 10,368 |  |
Prepaid expenses | 184 | 657 |  |
Restricted deposit | 0 |  |  |
Other current assets | 4,709 | 7,037 |  |
Total current assets | 759,708 | 623,832 |  |
Property, plant and equipment, net | 1,298,877 | 926,578 |  |
Investment in subsidiaries | 0 | 0 |  |
Derivative contracts | 33,114 | 35,774 |  |
Goodwill |  | 0 |  |
Other assets | 0 | 50 |  |
Total assets | 2,091,699 | 1,586,234 |  |
Current liabilities |  |  |  |
Accounts payable and accrued expenses | 684,136 | 556,165 |  |
Derivative contracts | 0 | 0 |  |
Asset retirement obligations | 0 | 0 |  |
Deposit on pending sale | 0 |  |  |
Other current liabilities | 0 | 1,051 |  |
Total current liabilities | 684,136 | 557,216 |  |
Long-term debt | 0 | 14,978 |  |
Derivative contracts | 0 | 0 |  |
Asset retirement obligations | 196 | 181 |  |
Other long-term obligations | 0 | 0 |  |
Total liabilities | 684,332 | 572,375 |  |
Equity |  |  |  |
SandRidge Energy, Inc. stockholders' equity | 1,407,367 | 1,013,859 |  |
Noncontrolling interest | 0 | 0 |  |
Total equity | 1,407,367 | 1,013,859 |  |
Total liabilities and equity | 2,091,699 | 1,586,234 |  |
Eliminations |  |  |  |
Current assets |  |  |  |
Cash and cash equivalents | 0 | 0 | 0 | 0
Accounts receivable, net | (3,243,115) | (1,861,125) |  |
Derivative contracts | (18,198) | (8,869) |  |
Prepaid expenses | 0 | 0 |  |
Restricted deposit | 0 |  |  |
Other current assets | 0 | 0 |  |
Total current assets | (3,261,313) | (1,869,994) |  |
Property, plant and equipment, net | (55,585) | 0 |  |
Investment in subsidiaries | (5,339,672) | (3,700,164) |  |
Derivative contracts | (25,454) | (30,105) |  |
Goodwill |  | 0 |  |
Other assets | (5,902) | 0 |  |
Total assets | (8,687,926) | (5,600,263) |  |
Current liabilities |  |  |  |
Accounts payable and accrued expenses | (3,241,431) | (1,858,786) |  |
Derivative contracts | (18,198) | (8,869) |  |
Asset retirement obligations | 0 | 0 |  |
Deposit on pending sale | 0 |  |  |
Other current liabilities | 0 | 0 |  |
Total current liabilities | (3,259,629) | (1,867,655) |  |
Long-term debt | (5,902) | 0 |  |
Derivative contracts | (25,454) | (30,105) |  |
Asset retirement obligations | 0 | 0 |  |
Other long-term obligations | 0 | 0 |  |
Total liabilities | (3,290,985) | (1,897,760) |  |
Equity |  |  |  |
SandRidge Energy, Inc. stockholders' equity | (6,890,543) | (4,625,442) |  |
Noncontrolling interest | 1,493,602 | 922,939 |  |
Total equity | (5,396,941) | (3,702,503) |  |
Total liabilities and equity | $ (8,687,926) | $ (5,600,263) |  |

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