Condensed 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 and gas sales	$ 60,024	$ 133,896	$ 195,663	$ 441,440
Price-risk management and other, net	92	4,898	(1,041)	(2,472)
Total Revenues	60,116	138,794	194,622	438,968
Costs and Expenses:
General and administrative, net	8,679	10,981	31,525	33,565
Depreciation, depletion, and amortization	35,606	65,331	138,392	201,072
Accretion of asset retirement obligation	1,410	1,445	4,156	4,246
Lease operating cost	17,990	22,067	54,188	70,606
Transportation and gas processing	5,446	5,107	15,855	16,412
Severance and other taxes	4,613	10,191	14,169	28,829
Interest expense, net	19,438	18,197	56,407	55,295
Write-down of oil and gas properties	321,522	0	1,084,595	0
Total Costs and Expenses	414,704	133,319	1,399,287	410,025
Income (Loss) Before Income Taxes	(354,588)	5,475	(1,204,665)	28,943
Provision (Benefit) for Income Taxes	0	3,001	(80,133)	14,200
Net Income (Loss)	$ (354,588)	$ 2,474	$ (1,124,532)	$ 14,743
Per Share Amounts-
Earnings Per Share (Basic)	$ (7.96)	$ 0.06	$ (25.31)	$ 0.34
Earnings Per Share (Diluted)	$ (7.96)	$ 0.06	$ (25.31)	$ 0.33
Weighted Average Shares Outstanding - Basic	44,546	43,850	44,431	43,768
Weighted Average Shares Outstanding - Diluted	44,546	44,473	44,431	44,299