Condensed Statements of Operations (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
	Jun. 30, 2014 Successor	Jun. 30, 2014 Successor	Jun. 30, 2013 Predecessor	Jun. 30, 2013 Predecessor
Revenues and other:
Oil, natural gas and natural gas liquids sales	$ 360,380	$ 693,496	$ 274,715	$ 541,487
Electricity sales	10,192	20,161	9,513	17,102
Gains (losses) on oil and natural gas derivatives	(25,562)	(22,097)	35,622	34,885
Marketing revenues	2,242	7,088	2,255	4,282
Other revenues	9	(7)	233	705
Total revenues	347,261	698,641	322,338	598,461
Expenses:
Lease operating expenses	93,354	183,385	79,759	155,027
Electricity generation expenses	7,629	16,012	6,337	11,633
Transportation expenses	7,483	15,476	8,293	15,987
Marketing expenses	2,096	4,694	2,198	4,076
General and administrative expenses	28,322	71,813	19,371	41,597
Exploration costs	0	0	872	4,301
Depreciation, depletion and amortization	77,753	146,384	70,272	138,750
Taxes, other than income taxes	23,479	46,508	14,229	28,199
(Gains) losses on sale of assets and other, net	4,257	7,624	0	(23)
Total expenses	244,373	491,896	201,331	399,547
Other income and (expenses):
Interest expense, net of amounts capitalized	(23,486)	(47,487)	(24,879)	(49,566)
Other, net	(445)	(634)	82	33
Total other income (expenses)	(23,931)	(48,121)	(24,797)	(49,533)
Income before income taxes	78,957	158,624	96,210	149,381
Income tax expense (benefit)	(51)	(82)	34,846	55,583
Net income	$ 79,008	$ 158,706	$ 61,364	$ 93,798