Property, Plant and Equipment (table)

3 Months Ended

Mar. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Table

A summary of the historical cost of property, plant and equipment is as follows:

thousands	Estimated Useful Life	March 31, 2014		December 31, 2013
Land	n/a	$	2,584	$	2,584
Gathering systems	3 to 47 years	3,773,582		3,673,008
Pipelines and equipment	15 to 45 years	145,475		146,008
Assets under construction	n/a	478,515		405,633
Other	3 to 40 years	14,012		11,867
Total property, plant and equipment		4,414,168		4,239,100
Accumulated depreciation		894,690		855,845
Net property, plant and equipment		$	3,519,478	$	3,383,255