Property, Plant and Equipment (Tables)

6 Months Ended

Jun. 30, 2019

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

The following table sets forth the Partnership’s property, plant and equipment:



		As of
	Estimated	June 30,			December 31,
	Useful Lives	2019			2018
	(Years)	(In thousands)
Saltwater disposal systems	10-30	$	522,821		$	220,084
Crude oil gathering systems⁽¹⁾	30	123,690			66,760
Natural gas gathering and compression systems⁽¹⁾	10-30	84,750			60,350
Fresh water gathering systems⁽¹⁾	30	91,046			68,694
Total property, plant and equipment		822,307			415,888
Land	N/A	88,509			70,373
Less: accumulated depreciation, amortization and accretion		(44,352		)	(28,317		)
Total property, plant and equipment, net		$	866,464		$	457,944

(1)

Included in gathering systems are $84.6 million and $55.2 million of assets at June 30, 2019 and December 31, 2018, respectively, that are not subject to depreciation, amortization and accretion as the systems were under construction and had not yet been put into service.