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

Property, Plant and Equipment

v3.25.4
Property, Plant and Equipment
 12 Months Ended
Dec. 31, 2025
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Property, Plant and Equipment, net    
Property, plant and equipment, net include the following (in thousands):
December 31,
Useful Life 2025 2024
Machinery and equipment
7-20 years
 $ 53,774  $ 114,366 
Aviation equipment(a)
3-10 years
 43,498  3,742 
Buildings and leasehold improvements
15-39 years
 30,100  38,039 
Drilling rigs and directional drilling equipment
3-15 years
 13,062  96,120 
Vehicles, trucks and trailers
5-10 years
 13,044  19,716 
Rail improvements
10-20 years
 11,759  13,445 
Land N/A 6,025  11,679 
Other property, plant and equipment
3-15 years
 6,721  17,305 
177,983  314,412 
Equipment not yet placed in service 25,970  3,094 
203,953  317,506 
Less: Accumulated depreciation(b)
97,856  250,855 
Total property, plant and equipment, net $ 106,097  $ 66,651 
a.This equipment relates to assets leased to customers under operating leases.
b.Includes accumulated depreciation of $5.7 million and $2.7 million at December 31, 2025 and 2024, respectively, related to assets under operating leases.

Depreciation, depletion, amortization and accretion

A summary of depreciation, depletion, amortization and accretion is shown below (in thousands):
Years Ended December 31,
2025 2024
Depreciation expense $ 8,669  $ 10,245 
Depletion and accretion expense 1,568  1,415 
Amortization expense 55  55 
Depreciation, depletion, amortization and accretion $ 10,292  $ 11,715