CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenues
Sales and other operating revenues	$ 665,589	$ 1,431,007	$ 2,133,360	$ 4,070,120
Gain (loss) on sale of assets	60	(133)	154,183	(5,130)
Interest and other income	49,300	2,163	87,443	3,468
Total revenues	714,949	1,433,037	2,374,986	4,068,458
Costs and Expenses
Lease operating expenses	183,826	265,518	643,736	813,638
Severance and ad valorem taxes	14,265	28,574	54,099	83,793
Exploration expenses, including undeveloped lease amortization	58,149	117,433	251,842	390,711
Selling and general expenses	71,791	82,960	237,934	269,986
Depreciation, depletion and amortization	433,706	499,151	1,318,123	1,354,393
Impairment of assets	2,300,974		2,300,974
Accretion of asset retirement obligations	11,918	12,600	35,437	36,992
Interest expense	32,009	34,970	91,945	101,625
Interest capitalized	(1,864)	(5,323)	(5,072)	(19,244)
Other expense	18,192	662	81,804	1,297
Total costs and expenses	3,122,966	1,036,545	5,010,822	3,033,191
Income (loss) from continuing operations before income taxes	(2,408,017)	396,492	(2,635,836)	1,035,267
Income tax expense (benefit)	(820,935)	125,435	(963,298)	452,255
Income (loss) from continuing operations	(1,587,082)	271,057	(1,672,538)	583,012
Loss from discontinued operations, net of taxes	(8,344)	(25,350)	(11,163)	(52,639)
Net Income (Loss)	$ (1,595,426)	$ 245,707	$ (1,683,701)	$ 530,373
Per Common Share - Basic
Income (loss) from continuing operations	$ (9.22)	$ 1.52	$ (9.55)	$ 3.25
Loss from discontinued operations	(0.04)	(0.14)	(0.07)	(0.29)
Net income (loss)	(9.26)	1.38	(9.62)	2.96
Per Common Share - Diluted
Income (loss) from continuing operations	(9.22)	1.51	(9.55)	3.23
Loss from discontinued operations	(0.04)	(0.14)	(0.07)	(0.29)
Net income (loss)	$ (9.26)	$ 1.37	$ (9.62)	$ 2.94
Average Common shares outstanding
Basic	172,205,433	177,535,503	175,047,295	179,259,573
Diluted	172,205,433	178,856,078	175,047,295	180,578,085