Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011		Sep. 30, 2010
Revenues:
Oil and gas sales	$ 143,123	$ 105,811	$ 446,537		$ 320,887
Price-risk management and other, net	(591)	(165)	(2,499)		1,505
Total Revenues	142,532	105,646	444,038		322,392
Costs and Expenses:
General and administrative, net	11,378	8,722	32,687		26,010
Depreciation, depletion, and amortization	54,404	40,800	163,141		118,103
Accretion of asset retirement obligation	1,183	998	3,482		2,927
Lease operating cost	26,206	20,977	78,296		59,561
Severance and other taxes	13,527	10,830	39,223		34,043
Interest expense, net	8,439	8,264	25,449		24,804
Total Costs and Expenses	115,137	90,591	342,278		265,448
Income from Continuing Operations Before Income Taxes	27,395	15,055	101,760		56,944
Provision for Income Taxes	10,388	5,652	37,822		20,788
Income from Continuing Operations	17,007	9,403	63,938		36,156
Income (Loss) from Discontinued Operations, net of taxes	(31)	(73)	14,247		(162)
Net Income	$ 16,976	$ 9,330	$ 78,185	[1]	$ 35,994
Per Share Amounts-
Basic: Income from Continuing Operations	$ 0.39	$ 0.24	$ 1.48		$ 0.94
Income (Loss) from Discontinued Operations, net of taxes	$ 0.00	$ 0.00	$ 0.33		$ 0.00
Net Income	$ 0.39	$ 0.24	$ 1.81		$ 0.93
Diluted: Income from Continuing Operations	$ 0.39	$ 0.24	$ 1.47		$ 0.93
Income (Loss) from Discontinued Operations, net of taxes	$ 0.00	$ 0.00	$ 0.33		$ 0.00
Net Income	$ 0.39	$ 0.24	$ 1.80		$ 0.93
Weighted Average Shares Outstanding - Basic	42,470	37,880	42,365		37,792

[1] [2] Unaudited