Quarterly report pursuant to Section 13 or 15(d)


3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Inventories InventoriesInventories consist of raw sand and processed sand available for sale, chemicals and other products sold as a bi-product of completion and production operations and supplies used in performing services. Inventory is stated at the lower of cost or net realizable value on an average cost basis. The Company assesses the valuation of its inventories based upon specific usage, future utility, obsolescence and other factors. A summary of the Company’s inventories is shown below (in thousands):
March 31, December 31,
2022 2021
Supplies $ 8,216  $ 4,557 
Raw materials 700  701 
Work in process 1,069  2,435 
Finished goods 373  673 
Total inventories $ 10,358  $ 8,366