INVENTORIES AND SUPPLIES (Tables)

9 Months Ended

Sep. 30, 2015

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventories and supplies consisted of the following (in thousands):

	September 30, 2015		December 31, 2014
Oil and oil products	$	35,484	$	62,111
Supplies and drums	75,357		68,547
Solvent and solutions	9,742		9,355
Modular camp accommodations	14,738		15,776
Other	14,934		12,874
Total inventories and supplies	$	150,255	$	168,663