Depreciation of property and equipment is provided on the straight‑line method over the following estimated useful lives:
Land
Indefinite
Buildings and property improvements
5 - 30 years
Vehicles
1 ‑ 5 years
Equipment
1 ‑ 22 years
Leasehold improvements
5 ‑ 20 years
Property and equipment consisted of the following:
(in thousands)
December 31,
20252024
Land$14,076 $14,076 
Buildings51,360 40,342 
Equipment and vehicles 1,186,903 1,040,242 
Leasehold improvements
6,309 6,949 
Subtotal 1,258,648 1,101,609 
Less accumulated depreciation
(465,173)(413,384)
Property and equipment — net
$793,475 $688,225 
Depreciation consisted of the following:
(in thousands)
Year Ended December 31,
202520242023
Depreciation related to cost of services (1)
$146,882 $197,162 $208,493 
Depreciation related to general and administrative expenses38 100 222 
Total depreciation$146,920 $197,262 $208,715 
____________________
(1)The write-offs of remaining book value of prematurely failed power ends and other components are recorded as depreciation in 2025. In order to conform to current period presentation, we have reclassified the corresponding amounts of $12.4 million and $38.7 million from loss on disposal of assets to depreciation for the years ended December 31, 2024 and 2023, respectively.

Historical Timeline

Fiscal YearFiled
2025Feb 19, 2026Showing above
2024Feb 20, 2025
2023Mar 13, 2024
2022Feb 23, 2023
2021Feb 25, 2022
2020Mar 5, 2021
2019Jun 22, 2020
2018Mar 1, 2019
2017Mar 27, 2018

About PP&E Disclosures

The PP&E disclosure details a company's physical asset base — land, buildings, machinery, and equipment — along with the depreciation methods and useful life assumptions that determine how these costs flow through the income statement. Capitalization policy thresholds reveal management's judgment on the boundary between expense and asset, directly affecting both reported earnings and asset values.

Key signals: changes in estimated useful lives or depreciation methods can materially shift reported earnings without any operational change. Compare capital expenditures against depreciation expense — when capex consistently trails depreciation, the asset base may be aging and underinvested. Watch for large asset impairments or write-downs that signal overvalued carrying amounts. Asset retirement obligations reveal future environmental or decommissioning costs that are often underappreciated. Compare PP&E intensity (PP&E-to-revenue) against industry peers to assess capital efficiency and competitive positioning.