Inventories, net (Tables)

6 Months Ended

Jun. 30, 2023

Inventory Disclosure [Abstract]

Schedule of inventories, net

Inventories, net, consisted of the following as of June 30, 2023 and December 31, 2022:

	(Thousands of Dollars)
	June 30, 2023		December 31, 2022
Sand, including freight	$	12,773	$	15,901
Chemicals and consumables	6,481		6,854
Materials and supplies	54,161		43,640
Total inventory, net	$	73,415	$	66,395