INVENTORIES AND SUPPLIES (Tables)

9 Months Ended

Sep. 30, 2016

Inventory Disclosure [Abstract]

Schedule of Inventory

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

	September 30, 2016		December 31, 2015
Oil and oil products	$	57,403	$	33,603
Supplies and drums	84,133		78,132
Solvent and solutions	8,502		8,868
Modular camp accommodations	15,492		15,126
Other	11,758		13,792
Total inventories and supplies	$	177,288	$	149,521