Annual report [Section 13 and 15(d), not S-K Item 405]

Property, Plant and Equipment (Tables)

v3.25.0.1
Property, Plant and Equipment (Tables)
 12 Months Ended
Dec. 31, 2024
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment
Property, plant and equipment include the following (in thousands):
December 31,
Useful Life 2024 2023
Pressure pumping equipment
3-5 years
 $ 261,881  $ 251,111 
Drilling rigs and related equipment
3-15 years
 97,021  97,207 
Machinery and equipment
7-20 years
 164,540  155,921 
Buildings(a)
15-39 years
 36,296  40,869 
Vehicles, trucks and trailers
5-10 years
 84,226  92,257 
Coil tubing equipment
4-10 years
 873  6,954 
Land N/A 12,349  12,393 
Land improvements
15 years or life of lease
 9,882  10,066 
Rail improvements
10-20 years
 13,445  13,793 
Other property and equipment(a)
3-12 years
 15,010  15,171 
695,523  695,742 
Deposits on equipment and equipment in process of assembly(b)
8,921  8,670 
704,444  704,412 
Less: accumulated depreciation(c)
589,362  590,507 
Total property, plant and equipment, net $ 115,082  $ 113,905 
a.Included in Other property and equipment are costs of $3.1 million at each of December 31, 2024 and 2023, respectively, related to assets leased to customers under operating leases.
b.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.
c.Includes accumulated depreciation of $2.7 million and $2.3 million at December 31, 2024 and 2023, respectively, related to assets under operating leases.
Schedule of Depreciation, Depletion, Accretion and Amortization Expense
A summary of depreciation, depletion, amortization and accretion expense is shown below (in thousands):
Years Ended December 31,
2024 2023 2022
Depreciation expense $ 22,959  $ 40,891  $ 60,545 
Accretion and depletion expense 1,416  3,443  2,947 
Amortization expense 704  776  779 
Depreciation, depletion, amortization and accretion $ 25,079  $ 45,110  $ 64,271