Property, Plant, and Equipment (Tables)

6 Months Ended

Jun. 30, 2022

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	June 30, 2022		December 31, 2021
Land	N/A	$	10,955	$	10,955
Gathering systems – pipelines	30 years	5,452,285		5,386,003
Gathering systems – compressors	15 years	2,241,600		2,172,953
Processing complexes and treating facilities	25 years	3,386,213		3,375,317
Transportation pipeline and equipment	6 to 45 years	169,365		169,356
Produced-water disposal systems	20 years	890,723		882,527
Assets under construction	N/A	137,600		98,473
Other	3 to 40 years	769,948		750,494
Total property, plant, and equipment		13,058,689		12,846,078
Less accumulated depreciation		4,581,122		4,333,171
Net property, plant, and equipment		$	8,477,567	$	8,512,907