Property and Equipment

6 Months Ended

Jun. 30, 2011

5. Property and Equipment

Property and equipment consisted of the following at June 30, 2011 and December 31, 2010 (in thousands):


	June 30, 2011			December 31, 2010
Equipment	$	4,336,763		$	3,972,891
Oil and natural gas properties		118,506			110,749
Buildings		61,768			61,425
Land		11,103			11,074

		4,528,140			4,156,139
Less accumulated depreciation and depletion		(1,637,472	)		(1,535,239	)

Property and equipment, net	$	2,890,668		$	2,620,900

- Definition

The entire disclosure for 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. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures.

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