| Schedule of property and equipment |
Property and equipment consisted of the following (in thousands): | | | | | | | | | | | | | March 31,
2025 | | December 31,
2024 | | Compression and treating equipment | $ | 4,151,063 | | | $ | 4,134,544 | | | Automobiles and vehicles | 57,811 | | | 53,301 | | | Computer equipment | 36,470 | | | 38,614 | | | Leasehold improvements | 10,071 | | | 9,807 | | | Buildings | 3,935 | | | 3,935 | | | Furniture and fixtures | 965 | | | 963 | | | Land | 77 | | | 77 | | | Total property and equipment, gross | 4,260,392 | | | 4,241,241 | | | Less: accumulated depreciation and amortization | (2,022,609) | | | (1,967,865) | | | Total property and equipment, net | $ | 2,237,783 | | | $ | 2,273,376 | |
Depreciation expense on property and equipment and loss on disposition of assets were as follows (in thousands): | | | | | | | | | | | | | | | | | | | Three Months Ended March 31, | | | | | | | 2025 | | 2024 | | Depreciation expense | | | | | $ | 63,048 | | | $ | 55,906 | | | Loss on disposition of assets | | | | | 1,325 | | | 1,254 | |
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| Schedule of estimated useful lives of property, plant, and equipment |
Depreciation is calculated using the straight-line method over the estimated useful lives of the assets as follows: | | | | | | | Compression and treating equipment, acquired new | 25 years | | Compression and treating equipment, acquired used | 5 - 25 years | | Furniture and fixtures | 3 - 10 years | Vehicles and computer equipment | 1 - 10 years | Buildings | 5 years | | Leasehold improvements | 5 years |
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| Schedule of identifiable intangible assets |
Identifiable intangible assets, net consisted of the following (in thousands): | | | | | | | | | | | | | | | | | | | Customer Relationships | | Trade Names | | Total | | Net balance as of December 31, 2024 | $ | 198,534 | | | $ | 17,739 | | | $ | 216,273 | | | Amortization expense | (6,526) | | | (819) | | | (7,345) | | | Net balance as of March 31, 2025 | $ | 192,008 | | | $ | 16,920 | | | $ | 208,928 | |
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