CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenues:
Oil sales	$ 27,706	$ 107,899	$ 124,783	$ 309,283
Natural gas sales	33,654	37,084	80,411	133,332
Total revenues	61,360	144,983	205,194	442,615
Operating expenses:
Production taxes	2,170	6,369	8,951	18,437
Gathering and transportation	3,729	3,125	9,842	10,039
Lease operating	16,687	15,858	49,650	44,899
Exploration	5,040	11,449	70,309	11,449
Depreciation, depletion and amortization	79,445	99,977	261,907	283,390
General and administrative	5,653	7,927	20,795	25,910
Impairment of oil and gas properties	544,714	15	547,101	271
(Gain) loss on sale of oil and gas properties	(52)		111,778
Total operating expenses	657,386	144,720	1,080,333	394,395
Operating income (loss)	(596,026)	263	(875,139)	48,220
Other income (expenses):
Interest income	138		308
Net gain on extinguishment of debt	51,054		55,586
Gain (loss) on derivative financial instruments	1,078	12,033	1,705	(2,763)
Other income	273	223	746	513
Interest expense	(32,159)	(14,912)	(86,720)	(43,359)
Total other income (expenses)	20,384	(2,656)	(28,375)	(45,609)
Income (loss) before income taxes	(575,642)	(2,393)	(903,514)	2,611
Benefit from (provision for) income taxes	30,646	490	144,948	(1,451)
Net income (loss)	$ (544,996)	$ (1,903)	$ (758,566)	$ 1,160
Net income (loss) per share:
Net income (loss), Basic	$ (11.81)	$ (0.04)	$ (16.45)	$ 0.02
Net income (loss), Diluted	$ (11.81)	(0.04)	$ (16.45)	0.02
Dividends per common share		$ 0.125		$ 0.375
Weighted average shares outstanding:
Basic	46,150	46,651	46,100	46,628
Diluted	46,150	46,651	46,100	46,948