Property And Equipment, Net (Tables)

3 Months Ended

Mar. 31, 2013

Property, Plant and Equipment [Abstract]

At March 31, 2013 and December 31, 2012, property and equipment, net consisted of the following:



	March 31, 2013			December 31, 2012
	(In thousands)
Proved oil and gas properties	$	1,905,658		$	1,713,827
Accumulated depreciation, depletion and amortization	(606,320		)	(561,279		)
Proved oil and gas properties, net	1,299,338			1,152,548
Unproved properties, not being amortized
Unevaluated leasehold costs	281,197			238,833
Exploratory wells in progress	33,415			43,803
Capitalized interest	43,660			41,052
Total unproved properties, not being amortized	358,272			323,688
Other property and equipment	20,098			17,079
Accumulated depreciation	(5,983		)	(5,641		)
Other property and equipment, net	14,115			11,438
Total property and equipment, net	$	1,671,725		$	1,487,674

- 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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