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Note 8 - Inventories
6 Months Ended
Jun. 30, 2014
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

Note 8 – Inventories


Inventories consist of the following:


(In thousands)

 

June 30,

2014

   

December 31,

2014

 
                 
                 

Raw materials:

               

Drilling fluids

  $ 157,846     $ 153,901  

Mats

    833       790  

Total raw materials

    158,679       154,691  
                 

Blended drilling fluids components

    39,518       34,075  
                 

Finished goods- mats

    932       914  

Total

  $ 199,129     $ 189,680  

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.