XML 15 R4.htm IDEA: XBRL DOCUMENT v2.4.0.8
Condensed Consolidated Statement of Operations (Unaudited) (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 gas revenues $ 286,952 $ 178,748 $ 770,445 $ 461,857
Well services and midstream revenues 18,546 5,963 37,939 10,484
Total revenues 305,498 184,711 808,384 472,341
Expenses        
Lease operating expenses 21,831 16,134 59,586 37,979
Well services and midstream operating expenses 10,319 5,420 19,877 7,104
Marketing, transportation and gathering expenses 5,688 2,744 19,856 7,283
Production taxes 26,823 16,433 70,309 43,419
Depreciation, depletion and amortization 72,728 57,684 205,779 140,783
Exploration expenses 463 336 2,712 3,171
Impairment of oil and gas properties 56 36 762 2,607
General and administrative expenses 16,728 13,886 47,238 39,622
Total expenses 154,636 112,673 426,119 281,968
Operating income (loss) 150,862 72,038 382,265 190,373
Other income (expense)        
Net gain (loss) on derivative instruments (39,817) (22,441) (41,838) 33,568
Interest expense, net of capitalized interest (22,854) (20,979) (65,429) (48,952)
Other income 23 1,147 1,097 2,521
Total other income (expense) (62,648) (42,273) (106,170) (12,863)
Income before income taxes 88,214 29,765 276,095 177,510
Income tax expense 33,715 11,451 102,626 66,712
Net income $ 54,499 $ 18,314 $ 173,469 $ 110,798
Earnings per share:        
Basic (Note 11) (in dollars per share) $ 0.59 $ 0.20 $ 1.88 $ 1.20
Diluted (Note 11) (in dollars per share) $ 0.59 $ 0.20 $ 1.87 $ 1.20
Weighted average shares outstanding:        
Basic (Note 11) (in shares) 92,449 92,186 92,408 92,164
Diluted (Note 11) (in shares) 92,836 92,416 92,838 92,343