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Field equipment, net
 12 Months Ended
Dec. 31, 2022
Field Equipment [Abstract]  
Field equipment, net Field equipment, net
The following table sets forth the Company’s field equipment, net:
December 31,
20222021
Field equipment$36,727 $33,789 
Accumulated depreciation(24,043)(20,866)
Field equipment, net$12,684 $12,923 
Depreciation expense was $6,463, $6,355 and $5,117 for the years ended December 31, 2022, 2021 and 2020, respectively. Write downs of $611, $639 and $409 were identified for the years ended December 31, 2022, 2021 and 2020, respectively.