INVENTORIES AND SUPPLIES (Tables)

3 Months Ended

Mar. 31, 2015

Inventory Disclosure [Abstract]

Schedule of Inventory

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

	March 31, 2015		December 31, 2014
Oil and oil products	$	37,785	$	62,111
Supplies and drums	66,487		68,547
Solvent and solutions	9,627		9,355
Modular camp accommodations	15,441		15,776
Other	13,712		12,874
Total inventories and supplies	$	143,052	$	168,663