Property and Equipment (Tables)

6 Months Ended

Jun. 30, 2014

Property, Plant and Equipment [Abstract]

Summary of Property and Equipment

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

	As of
	June 30,			December 31,
	2014			2013
Oil and gas properties:
Proved	$	440,606		$	460,255
Unproved	102,492			101,520
Total oil and gas properties	543,098			561,775
Other property and equipment:
Wells equipment and facilities	2,575,966			2,593,700
Support equipment	22,591			21,513
Total other property and equipment	2,598,557			2,615,213
	3,141,655			3,176,988
Accumulated depreciation, depletion and amortization	(933,901		)	(939,684		)
	$	2,207,754		$	2,237,304