Property and Equipment (Tables)

6 Months Ended

Jun. 30, 2011

Summary of Property and Equipment

The following table summarizes our property and equipment as of the periods presented:

	June 30,			December 31,
	2011			2010
Oil and gas properties:
Proved	$	2,220,939		$	2,139,894
Unproved, net of amortization		170,721			171,303
Total oil and gas properties		2,391,660			2,311,197
Other property and equipment		16,217			15,589
Total property and equipment		2,407,877			2,326,786
Accumulated depreciation, depletion and amortization		(679,756	)		(621,202	)
	$	1,728,121		$	1,705,584