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Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2011

Accrued Liabilities [Abstract]

Components Of Accrued Liabilities

			September 30,				September 30,
		December 31,
		2011				2010
		(In thousands)
Accrued capital costs		$	106,405			$	49,935
Accrued lease operating expenses			7,794				3,305
Accrued general and administrative expenses			3,397				3,014
Other accrued liabilities			2,096				1,985
Total accrued liabilities		$	119,692			$	58,239

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Tabular disclosure of the components of accrued liabilities.

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