Inventories (Tables)

9 Months Ended

Sep. 30, 2020

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories consisted of the following:

(In thousands)	September 30, 2020		December 31, 2019
Raw materials:
Fluids systems	$	106,484	$	141,314
Mats and integrated services	3,724		5,049
Total raw materials	110,208		146,363
Blended fluids systems components	34,221		39,542
Finished goods - mats	15,138		10,992
Total inventories	$	159,567	$	196,897