Property and Equipment (Tables)

3 Months Ended

Mar. 31, 2013

	March 31,			December 31,
	2013			2012
	(In thousands)
Oil and gas properties:
Proved properties	$	702,352		$	682,276
Unproved properties	501,699			454,391
Support equipment and facilities	696,569			687,835
Total oil and gas properties	1,900,620			1,824,502
Less: accumulated depletion	(373,353		)	(314,190		)
Oil and gas properties, net	1,527,267			1,510,312

Other property	28,143			27,316
Less: accumulated depreciation	(13,097		)	(11,866		)
Other property, net	15,046			15,450

Property and equipment, net	$	1,542,313		$	1,525,762

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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