Property, Plant and Equipment Disclosure
Based on: 10-K (reporting date: 2022-12-31), 10-K (reporting date: 2021-12-31), 10-K (reporting date: 2020-12-31), 10-K (reporting date: 2019-12-31), 10-K (reporting date: 2018-12-31).
The property, plant, and equipment (PP&E) profile exhibits a cyclical pattern characterized by an expansion phase peaking in 2019, a sharp contraction in 2020, and a gradual recovery through 2022.
- Gross Asset Valuation
- PP&E at cost reached a five-year peak of US$ 35,820 million in 2019 before declining to US$ 30,519 million in 2020. By the end of 2022, the gross value recovered to US$ 32,592 million, indicating a moderate rebound in capital investment following the 2020 downturn.
- Segmental Performance Trends
- A divergent trend is observed between Exploration and Production (E&P) and Midstream assets. E&P assets, driven largely by wells and related facilities, experienced volatility similar to the total PP&E, dropping from a high of US$ 31,876 million in 2019 to US$ 26,318 million in 2020, before climbing back to US$ 27,991 million in 2022. Conversely, Midstream assets demonstrated consistent year-over-year growth, increasing from US$ 3,492 million in 2018 to US$ 4,571 million in 2022, representing a steady expansion of infrastructure investments.
- Property Reserves and Exploration
- A sustained downward trend is evident in both unproved and proved properties. Unproved properties decreased significantly from US$ 394 million in 2018 to US$ 149 million in 2022. Similarly, proved properties declined from a peak of US$ 3,304 million in 2019 to US$ 2,660 million by 2022, suggesting a reduction in the acquisition of new acreage or a strategic shift in the asset portfolio.
- Net Book Value and Accumulation of Depreciation
- The net book value of PP&E mirrored the gross asset fluctuations, peaking at US$ 16,814 million in 2019 and hitting a low of US$ 14,115 million in 2020. The sharp reduction in reserves for depreciation, depletion, amortization, and lease impairment in 2020—from US$ -19,006 million to US$ -16,404 million—indicates substantial asset write-downs or disposals during that fiscal year. Net PP&E recovered to US$ 15,098 million by 2022, though it remained below the levels recorded in 2018 and 2019.
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Asset Age Ratios (Summary)
| Dec 31, 2022 | Dec 31, 2021 | Dec 31, 2020 | Dec 31, 2019 | Dec 31, 2018 | ||
|---|---|---|---|---|---|---|
| Average age ratio | 53.68% | 54.51% | 53.75% | 53.06% | 51.59% |
Based on: 10-K (reporting date: 2022-12-31), 10-K (reporting date: 2021-12-31), 10-K (reporting date: 2020-12-31), 10-K (reporting date: 2019-12-31), 10-K (reporting date: 2018-12-31).
The average age ratio of property, plant, and equipment exhibited a period of gradual increase followed by a slight moderation toward the end of the observed period.
- Growth Phase (2018–2021)
- A consistent upward trajectory was observed from December 31, 2018, through December 31, 2021, with the ratio rising from 51.59% to a peak of 54.51%. This steady increase indicates that the asset base was aging relative to its estimated useful life, suggesting that depreciation outpaced the addition of new capital assets during this interval.
- Correction Phase (2022)
- The upward trend reversed in 2022, as the ratio declined to 53.68%. This reduction suggests a relative increase in the acquisition of new property, plant, and equipment or the deployment of new capital expenditures, which served to lower the average age of the overall asset portfolio.
- Overall Stability
- Despite the fluctuations, the ratio remained within a narrow range of approximately 2.92 percentage points over the five-year period. This relative stability indicates a controlled asset lifecycle management strategy without drastic shifts in the composition of the fixed asset base.
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Average Age
Based on: 10-K (reporting date: 2022-12-31), 10-K (reporting date: 2021-12-31), 10-K (reporting date: 2020-12-31), 10-K (reporting date: 2019-12-31), 10-K (reporting date: 2018-12-31).
2022 Calculations
1 Average age = 100 × Reserves for depreciation, depletion, amortization and lease impairment ÷ Property, plant and equipment, at cost
= 100 × 17,494 ÷ 32,592 = 53.68%
The analysis of property, plant, and equipment reveals a period of volatility in asset valuation coupled with a gradual aging of the overall asset base. A significant contraction in both gross asset cost and accumulated depreciation occurred in 2020, followed by a steady recovery in investment levels through 2022.
- Property, Plant, and Equipment at Cost
- Gross asset values exhibited a peak in 2019 at 35,820 million US$, followed by a sharp decline to 30,519 million US$ in 2020. This reduction suggests a significant disposal of assets or a substantial impairment charge. Subsequent years show a consistent upward trend, with values rising to 32,592 million US$ by December 31, 2022, indicating a resumption of capital investment.
- Reserves for Depreciation, Depletion, Amortization, and Lease Impairment
- Accumulated reserves followed a trajectory similar to the gross cost of assets, peaking in 2019 at 19,006 million US$ and dropping to 16,404 million US$ in 2020. The recovery of these reserves to 17,494 million US$ by 2022 reflects the ongoing systematic allocation of asset costs over their useful lives as the asset base expanded.
- Average Age Ratio
- The average age ratio demonstrates a steady upward trend from 51.59% in 2018 to a peak of 54.51% in 2021. This progression indicates that the asset base was, on average, moving further through its estimated useful life. A slight reversal is observed in 2022, where the ratio declined to 53.68%, suggesting that new capital expenditures in that year exceeded the rate of depreciation, thereby marginally lowering the average age of the total asset portfolio.
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