INVENTORIES AND SUPPLIES (Tables)

6 Months Ended

Jun. 30, 2016

Inventory Disclosure [Abstract]

Schedule of Inventory

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

	June 30, 2016		December 31, 2015
Oil and oil products	$	46,671	$	33,603
Supplies and drums	78,168		78,132
Solvent and solutions	8,756		8,868
Modular camp accommodations	15,298		15,126
Other	13,511		13,792
Total inventories and supplies	$	162,404	$	149,521