CONSOLIDATED BALANCE SHEETS (UNAUDITED) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 152	$ 2,195
Accounts receivable: oil and gas sales	14,587	3,014
Due from affiliate	11,804	0
Due from general partner	0	715
Derivative instruments	7,141	9,027
Prepaid and other current assets	701	1,264
Total current assets	34,385	16,215
Noncurrent assets:
Oil and gas properties, using the full cost method of accounting	455,157	444,710
Less: accumulated depreciation, depletion and amortization	(18,124)	(913)
Total property and equipment, net	437,033	443,797
Derivative instruments	9,719	9,020
Deferred taxes	255	341
Deferred financing costs, net	2,573	2,645
Total noncurrent assets	449,580	455,803
Total assets	483,965	472,018
Current liabilities:
Due to affiliate	0	442
Current portion of asset retirement obligations	1,783	1,848
Derivative instruments	4,075	7,045
Accrued and other liabilities	10,540	3,806
Total current liabilities	16,398	13,141
Noncurrent liabilities:
Long-term debt	266,000	225,000
Derivative instruments	6,658	19,832
Asset retirement obligations	16,997	16,440
Total noncurrent liabilities	289,655	261,272
Commitments and contingencies (See Note 9)
Partners' capital:
General partner (35,729 units issued and outstanding as of June 30, 2011 and December 31,2010)	678	708
Public common unitholders (17,260,250 and 15,000,000 units issued and outstanding as of June 30, 2011 and December 31, 2010)	304,936	276,723
Affiliated common unitholders (11,297,737 units issued and outstanding as of June 30, 2011 and December 31, 2010)	(78,225)	(48,898)
Subordinated unitholders (7,145,866 units issued and outstanding as of June 30, 2011 and December 31, 2010)	(49,477)	(30,928)
Total partners' capital	177,912	197,605
Total liabilities and partners' capital	$ 483,965	$ 472,018