The Company’s property, plant and equipment assets for the respective periods are presented as follows:
December 31, 2025December 31, 2024
(Thousands of dollars)CostNetCostNet
Exploration and production ¹$23,042,373 $8,099,291 
2
$21,716,358 $8,021,620 
2
Corporate and other162,122 37,055 149,834 33,033 
Property, plant and equipment$23,204,495 $8,136,346 $21,866,192 $8,054,653 
¹  Includes unproved mineral rights as follows:$229,759 $99,729 $283,015 $151,341 
Includes $12,050 in 2025 and $13,335 in 2024 related to administrative assets and support equipment.

Historical Timeline

Fiscal YearFiled
2025Feb 25, 2026Showing above
2024Feb 27, 2025
2023Feb 23, 2024
2022Feb 27, 2023
2021Feb 25, 2022
2020Feb 26, 2021
2019Feb 27, 2020
2017Feb 26, 2018
2016Feb 24, 2017
2015Feb 26, 2016

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.