| Cash and cash equivalents |
| Oil and natural gas |
| Joint interest owners |
21.67M |
| Other |
| Fair value of derivatives (Notes 6 and 7) |
26.38M |
| Prepaid expenses and other current assets |
8.66M |
| Total current assets |
96.88M |
| Proved oil and natural gas properties, at cost, using the successful efforts method of accounting |
3.3B |
| Unproved properties |
13.41M |
| Accumulated depletion, depreciation and amortization |
| [OilAndGasPropertySuccessfulEffortMethodNet] |
1.25B |
| Other property and equipment, net of accumulated depreciation and amortization of $2,723 and $2,437, respectively |
3.75M |
| Deposits on pending acquisitions |
| Operating rights, net of amortization of $2,655 and $2,529, respectively |
| Fair value of derivatives (Notes 6 and 7) |
33.25M |
| Other assets, net of amortization of $5,277 and $4,809, respectively |
9.87M |
| Investment in equity method investee |
640K |
| Total assets |
1.39B |
| Accounts payable |
5.39M |
| Accrued oil and natural gas liabilities |
53.59M |
| Fair value of derivatives (Notes 6 and 7) |
1.89M |
| Asset retirement obligation (Note 8) |
3.5M |
| Other (Note 10) |
20.66M |
| Total current liabilities |
85.03M |
| Long-term debt (Note 2) |
1.16B |
| Asset retirement obligation (Note 8) |
266.17M |
| Fair value of derivatives (Notes 6 and 7) |
2.06M |
| Other long-term liabilities |
643K |
| Total liabilities |
1.51B |
| Commitments and contingencies (Note 5) |
0 |
| Limited partners' equity - 43,531,276 and 43,528,776 units issued and outstanding at March 31, 2011 and December 31, 2010, respectively |
-379.1M |
| General partner's equity (approximately 0.05%) |
-119K |
| Total unitholders' equity |
| Total liabilities and unitholders' equity |
1.39B |
