Inventories, net

3 Months Ended

Mar. 31, 2020

Inventory Disclosure [Abstract]

Inventories, net

Inventories, net

Inventories, net, consisted of the following as of March 31, 2020 and December 31, 2019:

	(Thousands of Dollars)
	March 31, 2020		December 31, 2019
Sand, including freight	$	4,976	$	4,405
Chemicals and consumables	10,506		11,408
Materials and supplies	35,473		45,828
Total inventory, net	$	50,955	$	61,641

Inventories are reported net of obsolescence reserves of $3.0 million and $1.8 million as of March 31, 2020 and December 31, 2019, respectively. The Company recognized $1.2 million and $0.4 million of obsolescence expense during the three months ended March 31, 2020 and 2019, respectively.