Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenues:
Oil and natural gas sales	$ 93,726	$ 40,564	$ 169,689	$ 69,494
Gain (loss) on derivatives, net	33,421	4,362	(2,537)	7,996
Support infrastructure	890		1,484
Other revenue	3	4	5	13
Total revenues	128,040	44,930	168,641	77,503
Costs and expenses:
Lease operating	8,724	4,371	16,444	8,720
Production taxes	9,451	3,900	17,149	6,408
Support infrastructure	529		719
General and administrative	3,165	2,711	6,547	5,797
Depletion of oil and natural gas properties	23,531	14,247	42,471	23,458
Depreciation and amortization	1,244	261	2,215	494
Accretion of discount on asset retirement obligations	113	104	223	209
Total costs and expenses	46,757	25,594	85,768	45,086
Operating income (loss)	81,283	19,336	82,873	32,417
Other income (expense):
Interest income	342	887	709	1,340
Interest expense, net	(5,794)	(2,931)	(9,172)	(5,835)
Other income (expense)	3,934	1,181	7,088	1,866
Total other income (expense)	(1,518)	(863)	(1,375)	(2,629)
Income (loss) before income taxes	79,765	18,473	81,498	29,788
Income tax expense:
Current	0	0	0	0
Deferred	(8,930)		(9,109)
Total income tax expense	(8,930)		(9,109)
Net income (loss)	$ 70,835	$ 18,473	$ 72,389	$ 29,788
Net income (loss) per share available to common stockholders:
Basic	$ 0.61	$ 0.16	$ 0.62	$ 0.28
Diluted	$ 0.60	$ 0.16	$ 0.61	$ 0.27
Weighted average shares outstanding:
Basic	116,408	113,426	116,384	106,473
Diluted	118,524	115,383	118,533	108,491