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Property, Plant and Equipment | 12 Months Ended
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Dec. 31, 2024
Property, Plant and Equipment |
Property, Plant and Equipment | ​ Note 7 Property, Plant and Equipment ​ The major components of our property, plant and equipment are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, |
​ |  | 2024 |  | 2023 |
​ | ​ | (In thousands) |
Land | ​ | $ | 31,529 | ​ | $ | 32,074 | ​
Buildings | ​ |  | 158,518 | ​ |  | 140,330 | ​
Drilling rigs and related equipment | ​ |  | 12,084,276 | ​ |  | 11,959,989 | ​
Oilfield hauling and mobile equipment | ​ |  | 228,730 | ​ |  | 233,920 | ​
Other machinery and equipment | ​ |  | 252,369 | ​ |  | 237,567 | ​
​ | ​ | $ | 12,755,422 | ​ | $ | 12,603,880 | ​
Less: accumulated depreciation and amortization | ​ |  | (9,924,465) | ​ |  | (9,705,152) | ​
​ | ​ | $ | 2,830,957 | ​ | $ | 2,898,728 | ​
Depreciation expense included in depreciation and amortization expense in our consolidated statements of income (loss) totaled $632.9 million, $644.9 million and $663.1 million during 2024, 2023 and 2022, respectively. ​ Repair and maintenance expense included in direct costs in our consolidated statements of income (loss) totaled $199.2 million, $228.2 million and $202.5 million during 2024, 2023 and 2022, respectively.

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