Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2011

Property, Plant and Equipment

Summary of property, plant and equipment

	December 31, 2011			December 31, 2010
Natural gas gathering and NGL transportation pipelines and facilities	$	2,039,524		$	1,625,170
Processing plants		660,928			584,886
Fractionation and storage facilities		120,474			81,317
Crude oil pipelines		16,678			16,810
Land, building, office equipment and other		185,462			155,437
Construction in progress		279,303			149,407
Property, plant and equipment		3,302,369			2,613,027
Less: accumulated depreciation		(438,062	)		(294,003	)
Total property, plant and equipment, net	$	2,864,307		$	2,319,024