PROPERTY AND EQUIPMENT (Tables)

3 Months Ended

Mar. 31, 2017

PROPERTY AND EQUIPMENT.

Schedule of property and equipment

	March 31, 2017		December 31, 2016
	(in thousands)
Land	$	8,540	$	8,593
Buildings and leasehold improvements		83,061		83,352
Vehicles and equipment		27,711		24,114
Machinery and equipment		538,693		534,303
Computer equipment and software		11,221		11,102
Office furniture and equipment		4,277		4,275
Disposal wells		67,566		67,566
Helicopters		497		497
Construction in progress		14,558		5,584
		756,124		739,386
Less accumulated depreciation and impairment		(500,541)		(490,519)
Total property and equipment, net	$	255,583	$	248,867