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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Revenues |  |  |  |  |  |  |  |
Oil and natural gas | $ 459,211 |  | $ 488,252 |  | $ 1,391,510 |  | $ 1,259,375 |
Drilling and services | 16,149 |  | 27,760 |  | 49,597 |  | 90,701 |
Midstream and marketing | 14,624 |  | 10,708 |  | 42,854 |  | 27,866 |
Construction contract | 0 |  | 0 |  | 23,253 |  | 0 |
Other | 3,619 |  | 6,078 |  | 11,066 |  | 14,925 |
Total revenues | 493,603 |  | 532,798 |  | 1,518,280 |  | 1,392,867 |
Expenses |  |  |  |  |  |  |  |
Production | 116,317 |  | 137,033 |  | 365,629 |  | 342,824 |
Production taxes | 8,816 |  | 12,967 |  | 24,819 |  | 36,222 |
Cost of sales | 13,773 |  | 15,666 |  | 45,438 |  | 52,468 |
Midstream and marketing | 13,224 |  | 10,674 |  | 39,954 |  | 27,187 |
Construction contract | 0 |  | 0 |  | 23,253 |  | 0 |
Depreciation and depletion—oil and natural gas | 137,639 |  | 166,126 |  | 434,068 |  | 392,452 |
Depreciation and amortization—other | 15,270 |  | 16,497 |  | 46,628 |  | 46,357 |
Accretion of asset retirement obligations | 8,472 |  | 9,053 |  | 28,051 |  | 19,625 |
Impairment | 687 |  | 0 |  | 16,330 |  | 0 |
General and administrative | 39,970 |  | 46,781 |  | 292,675 |  | 158,798 |
Loss (gain) on derivative contracts | 132,808 |  | 193,497 |  | 70,051 |  | (221,707) |
Loss on sale of assets | 539 |  | 375 |  | 398,364 |  | 3,755 |
Total expenses | 487,515 |  | 608,669 |  | 1,785,260 |  | 857,981 |
Income (loss) from operations | 6,088 | [1] | (75,871) | [1] | (266,980) | [2] | 534,886 | [2]
Other income (expense) |  |  |  |  |  |  |  |
Interest expense | (61,385) |  | (81,894) |  | (208,454) |  | (217,428) |
Bargain purchase gain | 0 |  | 0 |  | 0 |  | 122,696 |
Loss on extinguishment of debt | 0 |  | (3,056) |  | (82,005) |  | (3,056) |
Other income, net | 658 |  | 1,242 |  | 1,163 |  | 3,629 |
Total other expense | (60,727) |  | (83,708) |  | (289,296) |  | (94,159) |
(Loss) income before income taxes | (54,639) |  | (159,579) |  | (556,276) |  | 440,727 |
Income tax expense (benefit) | 2,363 |  | 173 |  | 7,300 |  | (100,373) |
Net (loss) income | (57,002) |  | (159,752) |  | (563,576) |  | 541,100 |
Less: net income attributable to noncontrolling interest | 16,191 |  | 10,668 |  | 9,393 |  | 111,626 |
Net (loss) income attributable to SandRidge Energy, Inc. | (73,193) |  | (170,420) |  | (572,969) |  | 429,474 |
Preferred stock dividends | 13,881 |  | 13,881 |  | 41,644 |  | 41,644 |
(Loss applicable) income available to SandRidge Energy, Inc. common stockholders | $ (87,074) |  | $ (184,301) |  | $ (614,613) |  | $ 387,830 |
(Loss) earnings per share |  |  |  |  |  |  |  |
Basic (in dollars) | $ (0.18) |  | $ (0.39) |  | $ (1.28) |  | $ 0.87 |
Diluted (in dollars) | $ (0.18) |  | $ (0.39) |  | $ (1.28) |  | $ 0.80 |
Weighted average number of common shares outstanding |  |  |  |  |  |  |  |
Basic (in shares) | 483,582 |  | 476,037 |  | 480,209 |  | 445,991 |
Diluted (in shares) | 483,582 |  | 476,037 |  | 480,209 |  | 537,300 |
[1] | Exploration and production segment loss from operations includes losses due to changes in fair value of commodity derivative contracts of $119.6 million and $222.5 million for the three-month periods ended September 30, 2013 and 2012, respectively.
[2] | Exploration and production segment (loss) income from operations includes losses (gains) due to changes in fair value of commodity derivative contracts of $58.5 million and $(229.1) million for the nine-month periods ended September 30, 2013 and 2012, respectively. Exploration and production segment loss from operations also includes a loss on the sale of the Permian Properties of $398.9 million for the nine-month period ended September 30, 2013.

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