Property and Equipment (Tables)

3 Months Ended

Mar. 31, 2012

Summary of Property and Equipment

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

	March 31,			December 31,
	2012			2011
Oil and gas properties:
Proved	$	2,325,116		$	2,239,186
Unproved		112,809			120,288
Total oil and gas properties		2,437,925			2,359,474
Other property and equipment		147,252			143,285
Total property and equipment		2,585,177			2,502,759
Accumulated depreciation, depletion and amortization		(775,886	)		(725,184	)
	$	1,809,291		$	1,777,575