Inventories

3 Months Ended

Mar. 31, 2020

Inventories consisted of the following:


(In thousands)	March 31, 2020		December 31, 2019
Raw materials:
Fluids systems	$	124,623	$	141,314
Mats and integrated services	4,451		5,049
Total raw materials	129,074		146,363
Blended fluids systems components	40,892		39,542
Finished goods - mats	18,013		10,992
Total inventories	$	187,979	$	196,897

Raw materials for the Fluids Systems segment consists primarily of barite, chemicals, and other additives that are consumed in the production of our fluids systems. Raw materials for the Mats and Integrated Services segment consists primarily of resins, chemicals, and other materials used to manufacture composite mats, as well as materials that are consumed in providing spill containment and other services to our customers. Our blended fluids systems components consist of base fluid systems that have been either mixed internally at our blending facilities or purchased from third-party vendors. These base fluid systems require raw materials to be added, as needed to meet specified customer requirements.