Annual report pursuant to Section 13 and 15(d)

Property, Plant and Equipment

v3.22.4
Property, Plant and Equipment
 12 Months Ended
Dec. 31, 2022
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Property, Plant and Equipment     
Property, plant and equipment include the following (in thousands):
December 31,
Useful Life 2022 2021
Pressure pumping equipment
3-5 years
 $ 230,760  $ 220,414 
Drilling rigs and related equipment
3-15 years
 110,724  111,478 
Machinery and equipment
7-20 years
 162,634  166,873 
Buildings(a)
15-39 years
 40,316  46,006 
Vehicles, trucks and trailers
5-10 years
 101,580  103,982 
Coil tubing equipment
4-10 years
 6,908  7,592 
Land N/A 12,393  13,417 
Land improvements
15 years or life of lease
 10,053  10,133 
Rail improvements
10-20 years
 13,793  13,793 
Other property and equipment(b)
3-12 years
 18,296  18,235 
707,457  711,923 
Deposits on equipment and equipment in process of assembly(c)
13,885  3,300 
721,342  715,223 
Less: accumulated depreciation(d)
583,276  538,637 
Total property, plant and equipment, net $ 138,066  $ 176,586 
a.Included in Buildings at each of December 31, 2022 and 2021 are costs of $7.6 million related to assets under operating leases.
b.Included in Other property and equipment at each of December 31, 2022 and 2021 are costs of $6.0 million related to assets under operating leases.
c.Deposits on equipment and equipment in process of assembly represents deposits placed with vendors for equipment that is in the process of assembly and purchased equipment that is being outfitted for its intended use. The equipment is not yet placed in service.
d.Includes accumulated depreciation of $8.0 million and $6.6 million at December 31, 2022 and 2021, respectively, related to assets under operating leases.

Proceeds from customers for horizontal and directional drilling services equipment damaged or lost down-hole are reflected in revenue with the carrying value of the related equipment charged to cost of service revenues and are reported as cash inflows from investing activities in the statement of cash flows. For the years ended December 31, 2022, 2021 and 2020, proceeds from the sale of equipment damaged or lost down-hole were $0.8 million, $0.3 million, and $0.7 million, respectively, and gains on sales of equipment damaged or lost down-hole were $0.6 million, $0.3 million, and $0.7 million, respectively.

Proceeds from assets sold or disposed of as well as the carrying value of the related equipment are reflected in other income, net on the consolidated statement of comprehensive loss. For the years ended December 31, 2022, 2021 and 2020, proceeds from the sale of equipment were $10.0 million, $11.2 million and $6.1 million, respectively, and gains from the sale or disposal of equipment were $3.9 million, $5.1 million and $0.7 million, respectively.

A summary of depreciation, depletion, amortization and accretion expense is shown below (in thousands):
Years Ended December 31,
2022 2021 2020
Depreciation expense $ 60,545  $ 76,093  $ 93,332 
Accretion and depletion expense 2,947  1,381  970 
Amortization expense 779  1,001  1,015 
Depreciation, depletion, amortization and accretion $ 64,271  $ 78,475  $ 95,317