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Inventory
12 Months Ended
Dec. 31, 2022
Inventory Disclosure [Abstract]  
Inventory

5. Inventory

Inventory consisted of the following at December 31, 2022 and 2021 (in thousands):

 

 

 

2022

 

 

2021

 

Finished goods

 

$

28

 

 

$

515

 

Work-in-process

 

 

2,341

 

 

 

882

 

Raw materials and supplies

 

 

55,669

 

 

 

40,962

 

Inventory

 

$

58,038

 

 

$

42,359

 

We maintain certain surplus quantities of spare parts that serve as backup components and maintenance materials for our directional drilling and Colombia contract drilling operations. In 2021, advances in technologies rendered certain directional drilling equipment, and spare parts used to service that equipment, obsolete. Based on our assessment of limited alternative uses or active markets to recapture costs, we recorded a write-down of $4.0 million. The write-down is recorded in “Operating costs and expenses - Directional drilling” in our consolidated statements of operations. There was no similar write-down in 2022.