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Property and Equipment (Tables)

9 Months Ended

Sep. 30, 2013

Property and Equipment

Property and equipment consisted of the following at September 30, 2013 and December 31, 2012 (in thousands):

		September 30, 2013				December 31, 2012
Equipment		$	5,719,687			$	5,387,490
Oil and natural gas properties			178,139				156,834
Buildings			80,113				66,490
Land			11,898				10,413
			5,989,837				5,621,227
Less accumulated depreciation and depletion			(2,338,263	)			(2,005,844	)
Property and equipment, net		$	3,651,574			$	3,615,383

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- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 13

-Subparagraph b

-Article 5

+ Details

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