| Schedule of Fixed Assets |
Fixed assets consisted of the following: | | | | | | | | | | | | | June 30, 2026 | | December 31, 2025 | | Crude oil and natural gas pipelines and related assets | $ | 3,844,017 | | | $ | 3,845,631 | | | Onshore facilities, machinery and equipment | 295,229 | | | 291,896 | | | Transportation equipment | 24,281 | | | 24,026 | | | Marine vessels | 1,076,826 | | | 1,073,262 | | | Land, buildings and improvements | 88,899 | | | 88,629 | | | Office equipment, furniture and fixtures | 12,471 | | | 10,317 | | | Construction in progress | 24,531 | | | 13,634 | | | Other | 25,897 | | | 26,665 | | | Fixed assets, at cost | 5,392,151 | | | 5,374,060 | | | Less: Accumulated depreciation | (1,990,293) | | | (1,908,737) | | | Net fixed assets | $ | 3,401,858 | | | $ | 3,465,323 | |
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| Schedule of Depreciation and Depletion Expense |
Our depreciation expense for the periods presented was as follows: | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended
June 30, | | Six Months Ended
June 30, | | 2026 | | 2025 | | 2026 | | 2025 | | Depreciation expense | $ | 60,644 | | | $ | 53,347 | | | $ | 117,022 | | | $ | 106,947 | |
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| Schedule of Change in Asset Retirement Obligation |
The following table presents information regarding our AROs since December 31, 2025: | | | | | | ARO liability balance, December 31, 2025 | $ | 266,348 | | | Accretion expense | 4,443 | | | Revisions in timing and estimated costs of AROs | 654 | | Divestitures(1) | (12,717) | | | Settlements | (2,335) | | ARO liability balance, June 30, 2026 | $ | 256,393 | |
(1) In June 2026, we divested certain non-core natural gas pipeline and platform assets in our offshore pipeline transportation segment.
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