Note 7 - Inventories

9 Months Ended

Sep. 30, 2015

Notes to Financial Statements

Inventory Disclosure [Text Block]

Note 7 – Inventories

Inventories -

Inventories consist of the following:

(In thousands)	September 30, 2015		December 31, 2014
Raw materials:
Drilling fluids	$	138,729	$	152,076
Mats		863		1,531
Total raw materials		139,592		153,607
Blended drilling fluids components		31,789		40,971
Finished goods - mats		5,447		1,978
Total	$	176,828	$	196,556

Raw materials consist primarily of barite, chemicals, and other additives that are consumed in the production of our drilling fluid systems. Our blended drilling fluids components consist of base drilling fluid systems that have been either mixed internally at our mixing plants or purchased from third party vendors. These base systems require raw materials to be added, as required to meet specified customer requirements.