INVENTORIES AND SUPPLIES (Tables)

6 Months Ended

Jun. 30, 2015

Inventory Disclosure [Abstract]

Schedule of Inventory

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

	June 30, 2015		December 31, 2014
Oil and oil products	$	39,478	$	62,111
Supplies and drums	70,828		68,547
Solvent and solutions	10,105		9,355
Modular camp accommodations	14,703		15,776
Other	14,747		12,874
Total inventories and supplies	$	149,861	$	168,663