Fixed Assets

9 Months Ended

Sep. 30, 2014

Fixed Assets And Asset Retirement Obligations [Abstract]

Fixed Assets And Asset Retirement Obligations

5. Fixed Assets

Fixed Assets

Fixed assets consisted of the following:

	September 30, 2014			December 31, 2013
Pipelines and related assets	$	460,118		$	338,920
Machinery and equipment	268,172			173,092
Transportation equipment	18,369			19,140
Marine vessels	594,322			554,679
Land, buildings and improvements	31,776			30,170
Office equipment, furniture and fixtures	5,541			5,633
Construction in progress	255,497			183,037
Other	34,336			23,303
Fixed assets, at cost	1,668,131			1,327,974
Less: Accumulated depreciation	(248,145		)	(199,230		)
Net fixed assets	$	1,419,986		$	1,128,744

Our depreciation expense for the periods presented was as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
Depreciation expense	$	20,736	$	11,362	$	52,422	$	32,920