XML 54 R4.htm IDEA: XBRL DOCUMENT v2.4.0.6
Condensed Consolidated Statement of Operations (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Revenues    
Oil and gas revenues $ 241,651 $ 137,906
Well services and midstream revenues 6,653 660
Total revenues 248,304 138,566
Expenses    
Lease operating expenses 19,489 9,816
Well services and midstream operating expenses 2,914 477
Marketing, transportation and gathering expenses 3,389 2,569
Production taxes 22,089 13,266
Depreciation, depletion and amortization 66,261 38,886
Exploration expenses 1,857 2,835
Impairment of oil and gas properties 498 368
General and administrative expenses 13,854 12,199
Total expenses 130,351 80,416
Operating income 117,953 58,150
Other income (expense)    
Net loss on derivative instruments (14,612) (18,586)
Interest expense, net of capitalized interest (21,183) (13,899)
Other income 780 598
Total other income (expense) (35,015) (31,887)
Income before income taxes 82,938 26,263
Income tax expense 31,087 9,822
Net income $ 51,851 $ 16,441
Earnings per share:    
Basic and diluted (Note 11) $ 0.56 $ 0.18
Weighted average shares outstanding:    
Basic (Note 11) 92,375 92,130
Diluted (Note 11) 92,651 92,231