CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
REVENUES
Sales and other operating revenues	$ 486,276	$ 665,589	$ 1,326,587	$ 2,133,360
Gain (loss) on sale of assets	(730)	60	3,101	154,183
Interest and other income	14,987	49,300	38,602	87,443
Total revenues	500,533	714,949	1,368,290	2,374,986
COSTS AND EXPENSES
Lease operating expenses	119,663	183,826	435,296	643,736
Severance and ad valorem taxes	9,592	14,265	35,668	54,099
Exploration expenses, including undeveloped lease amortization	19,866	58,149	83,910	251,842
Selling and general expenses	55,523	71,791	196,143	237,934
Depreciation, depletion and amortization	255,900	433,706	797,288	1,318,123
Impairment of assets		2,300,974	95,088	2,300,974
Accretion of asset retirement obligations	11,043	11,918	35,514	35,437
Interest expense	40,088	32,009	107,207	91,945
Interest capitalized	(869)	(1,864)	(3,318)	(5,072)
Other expense (benefit)	6,486	18,192	(1,446)	81,804
Total costs and expenses	517,292	3,122,966	1,781,350	5,010,822
Loss from continuing operations before income taxes	(16,759)	(2,408,017)	(413,060)	(2,635,836)
Income tax benefit	(2,176)	(820,935)	(201,897)	(963,298)
Loss from continuing operations	(14,583)	(1,587,082)	(211,163)	(1,672,538)
Loss from discontinued operations, net of income taxes	(1,593)	(8,344)	(885)	(11,163)
NET LOSS	$ (16,176)	$ (1,595,426)	$ (212,048)	$ (1,683,701)
PER COMMON SHARE - BASIC
Loss from continuing operations	$ (0.08)	$ (9.22)	$ (1.23)	$ (9.55)
Loss from discontinued operations	(0.01)	(0.04)	(0.01)	(0.07)
Net loss	(0.09)	(9.26)	(1.24)	(9.62)
PER COMMON SHARE - DILUTED
Loss from continuing operations	(0.08)	(9.22)	(1.23)	(9.55)
Loss from discontinued operations	(0.01)	(0.04)	(0.01)	(0.07)
Net loss	$ (0.09)	$ (9.26)	$ (1.24)	$ (9.62)
Average Common shares outstanding
Basic	172,199,350	172,205,433	172,164,683	175,047,295
Diluted	172,199,350	172,205,433	172,164,683	175,047,295