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Unaudited Condensed Consolidating Balance Sheets of SandRidge Energy, Inc. and Wholly Owned Subsidiary Guarantors and Non-Guarantors (Detail) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2013 | Dec. 31, 2012 | Mar. 31, 2012 | Dec. 31, 2011
--- | --- | --- | --- | ---
Current assets |  |  |  |
Cash and cash equivalents | $ 1,308,733 | $ 309,766 | $ 127,842 | $ 207,681
Accounts receivable, net | 389,399 | 445,506 |  |
Derivative contracts | 25,693 | 71,022 |  |
Prepaid expenses | 40,159 | 31,319 |  |
Restricted deposit | 0 | 255,000 |  |
Other current assets | 25,174 | 30,272 |  |
Total current assets | 1,789,158 | 1,142,885 |  |
Property, plant and equipment, net | 5,735,606 | 8,479,977 |  |
Investment in subsidiaries | 0 | 0 |  |
Derivative contracts | 25,219 | 23,617 |  |
Other assets | 128,328 | 144,252 |  |
Total assets | 7,678,311 | 9,790,731 |  |
Current liabilities |  |  |  |
Accounts payable and accrued expenses | 672,372 | 766,544 |  |
Derivative contracts | 12,970 | 14,860 |  |
Asset retirement obligations | 91,113 | 118,504 |  |
Deposit on pending sale | 0 | 255,000 |  |
Other current liabilities | 5,798 | 15,546 |  |
Total current liabilities | 782,253 | 1,170,454 |  |
Long-term debt | 3,194,543 | 4,301,083 |  |
Derivative contracts | 40,384 | 59,787 |  |
Asset retirement obligations | 367,456 | 379,906 |  |
Other long-term obligations | 18,183 | 17,046 |  |
Total liabilities | 4,402,819 | 5,928,276 |  |
Equity |  |  |  |
SandRidge Energy, Inc. stockholders' equity | 1,885,065 | 2,368,853 |  |
Noncontrolling interest | 1,390,427 | 1,493,602 |  |
Total equity | 3,275,492 | 3,862,455 |  |
Total liabilities and equity | 7,678,311 | 9,790,731 |  |
Parent |  |  |  |
Current assets |  |  |  |
Cash and cash equivalents | 1,285,392 | 300,228 | 123,755 | 204,015
Accounts receivable, net | 0 | 2,162,471 |  |
Derivative contracts | 0 | 0 |  |
Prepaid expenses | 0 | 0 |  |
Restricted deposit |  | 0 |  |
Other current assets | 1,375 | 1,375 |  |
Total current assets | 1,286,767 | 2,464,074 |  |
Property, plant and equipment, net | 0 | 0 |  |
Investment in subsidiaries | 5,119,024 | 5,425,907 |  |
Derivative contracts | 0 | 0 |  |
Other assets | 69,005 | 83,642 |  |
Total assets | 6,474,796 | 7,973,623 |  |
Current liabilities |  |  |  |
Accounts payable and accrued expenses | 1,330,207 | 1,236,793 |  |
Derivative contracts | 0 | 2,394 |  |
Asset retirement obligations | 0 | 0 |  |
Deposit on pending sale |  | 0 |  |
Other current liabilities | 0 | 0 |  |
Total current liabilities | 1,330,207 | 1,239,187 |  |
Long-term debt | 3,200,445 | 4,306,985 |  |
Derivative contracts | 0 | 0 |  |
Asset retirement obligations | 0 | 0 |  |
Other long-term obligations | 1,870 | 1,329 |  |
Total liabilities | 4,532,522 | 5,547,501 |  |
Equity |  |  |  |
SandRidge Energy, Inc. stockholders' equity | 1,942,274 | 2,426,122 |  |
Noncontrolling interest | 0 | 0 |  |
Total equity | 1,942,274 | 2,426,122 |  |
Total liabilities and equity | 6,474,796 | 7,973,623 |  |
Guarantors |  |  |  |
Current assets |  |  |  |
Cash and cash equivalents | 16,091 | 922 | 289 | 437
Accounts receivable, net | 1,554,283 | 808,435 |  |
Derivative contracts | 19,359 | 60,736 |  |
Prepaid expenses | 39,992 | 31,135 |  |
Restricted deposit |  | 255,000 |  |
Other current assets | 19,585 | 24,188 |  |
Total current assets | 1,649,310 | 1,180,416 |  |
Property, plant and equipment, net | 4,515,107 | 7,236,685 |  |
Investment in subsidiaries | (30,760) | (86,235) |  |
Derivative contracts | 19,288 | 15,957 |  |
Other assets | 65,196 | 66,512 |  |
Total assets | 6,218,141 | 8,413,335 |  |
Current liabilities |  |  |  |
Accounts payable and accrued expenses | 532,220 | 2,087,046 |  |
Derivative contracts | 24,801 | 30,664 |  |
Asset retirement obligations | 91,113 | 118,504 |  |
Deposit on pending sale |  | 255,000 |  |
Other current liabilities | 5,798 | 15,546 |  |
Total current liabilities | 653,932 | 2,506,760 |  |
Long-term debt | 0 | 0 |  |
Derivative contracts | 61,616 | 85,241 |  |
Asset retirement obligations | 367,256 | 379,710 |  |
Other long-term obligations | 16,313 | 15,717 |  |
Total liabilities | 1,099,117 | 2,987,428 |  |
Equity |  |  |  |
SandRidge Energy, Inc. stockholders' equity | 5,119,024 | 5,425,907 |  |
Noncontrolling interest | 0 | 0 |  |
Total equity | 5,119,024 | 5,425,907 |  |
Total liabilities and equity | 6,218,141 | 8,413,335 |  |
Non-Guarantors |  |  |  |
Current assets |  |  |  |
Cash and cash equivalents | 7,250 | 8,616 | 3,798 | 3,229
Accounts receivable, net | 715,628 | 717,715 |  |
Derivative contracts | 18,165 | 28,484 |  |
Prepaid expenses | 167 | 184 |  |
Restricted deposit |  | 0 |  |
Other current assets | 4,214 | 4,709 |  |
Total current assets | 745,424 | 759,708 |  |
Property, plant and equipment, net | 1,276,084 | 1,298,877 |  |
Investment in subsidiaries | 0 | 0 |  |
Derivative contracts | 27,163 | 33,114 |  |
Other assets | 29 | 0 |  |
Total assets | 2,048,700 | 2,091,699 |  |
Current liabilities |  |  |  |
Accounts payable and accrued expenses | 688,833 | 684,136 |  |
Derivative contracts | 0 | 0 |  |
Asset retirement obligations | 0 | 0 |  |
Deposit on pending sale |  | 0 |  |
Other current liabilities | 0 | 0 |  |
Total current liabilities | 688,833 | 684,136 |  |
Long-term debt | 0 | 0 |  |
Derivative contracts | 0 | 0 |  |
Asset retirement obligations | 200 | 196 |  |
Other long-term obligations | 0 | 0 |  |
Total liabilities | 689,033 | 684,332 |  |
Equity |  |  |  |
SandRidge Energy, Inc. stockholders' equity | 1,359,667 | 1,407,367 |  |
Noncontrolling interest | 0 | 0 |  |
Total equity | 1,359,667 | 1,407,367 |  |
Total liabilities and equity | 2,048,700 | 2,091,699 |  |
Eliminations |  |  |  |
Current assets |  |  |  |
Cash and cash equivalents | 0 | 0 | 0 | 0
Accounts receivable, net | (1,880,512) | (3,243,115) |  |
Derivative contracts | (11,831) | (18,198) |  |
Prepaid expenses | 0 | 0 |  |
Restricted deposit |  | 0 |  |
Other current assets | 0 | 0 |  |
Total current assets | (1,892,343) | (3,261,313) |  |
Property, plant and equipment, net | (55,585) | (55,585) |  |
Investment in subsidiaries | (5,088,264) | (5,339,672) |  |
Derivative contracts | (21,232) | (25,454) |  |
Other assets | (5,902) | (5,902) |  |
Total assets | (7,063,326) | (8,687,926) |  |
Current liabilities |  |  |  |
Accounts payable and accrued expenses | (1,878,888) | (3,241,431) |  |
Derivative contracts | (11,831) | (18,198) |  |
Asset retirement obligations | 0 | 0 |  |
Deposit on pending sale |  | 0 |  |
Other current liabilities | 0 | 0 |  |
Total current liabilities | (1,890,719) | (3,259,629) |  |
Long-term debt | (5,902) | (5,902) |  |
Derivative contracts | (21,232) | (25,454) |  |
Asset retirement obligations | 0 | 0 |  |
Other long-term obligations | 0 | 0 |  |
Total liabilities | (1,917,853) | (3,290,985) |  |
Equity |  |  |  |
SandRidge Energy, Inc. stockholders' equity | (6,535,900) | (6,890,543) |  |
Noncontrolling interest | 1,390,427 | 1,493,602 |  |
Total equity | (5,145,473) | (5,396,941) |  |
Total liabilities and equity | $ (7,063,326) | $ (8,687,926) |  |

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