Occidental Petroleum Corp
OXYNYSECrude Petroleum & Natural GasFiscal year ends December 31Also trades as OXY.WT
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 5, 2026Score 10/3012% below fair value
$60.72−3.28 (-5.13%)
Close on Nov 2, 2026Market cap $60.70BP/E 9.4Yield 1.58%
Occidental Petroleum Proved Oil Reserves (MMbbl) by Year
Occidental Petroleum Proved Oil Reserves (MMbbl): 2,162 in FY2025, up 1.3% from a year earlier. That is the highest of the 10 years on record here.
Latest, FY2025
2,162
Period ended Dec 31, 2025
Change on a year earlier
+1.3%
2,135 in FY2024
History
10 years
Since FY2016
Sources
7
Documents cited below
Where the FY2025 figure comes from
Source: OXY 10-K (filed 2026-02-18, acc 0001628280-26-009059) ↗
Annual history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | Proved Oil Reserves (MMbbl) | Year on year | Source |
|---|---|---|---|---|
| FY2025 | Dec 31, 2025 | 2,162 | +1.3% | OXY 10-K (filed 2026-02-18, acc 0001628280-26-009059) ↗ |
| FY2024 | Dec 31, 2024 | 2,135 | +10.1% | OXY 10-K (filed 2026-02-18, acc 0001628280-26-009059) ↗ |
| FY2023 | Dec 31, 2023 | 1,940 | +1.4% | OXY 10-K (filed 2026-02-18, acc 0001628280-26-009059) ↗ |
| FY2022 | Dec 31, 2022 | 1,913 | +8.0% | OXY 10-K (filed 2026-02-18, acc 0001628280-26-009059) ↗ |
| FY2021 | Dec 31, 2021 | 1,771 | +20.1% | OXY 10-K (filed 2025-02-18, acc 0000797468-25-000029) ↗ |
| FY2020 | Dec 31, 2020 | 1,475 | -27.7% | OXY 10-K (filed 2024-02-14, acc 0000797468-24-000034) ↗ |
| FY2019 | Dec 31, 2019 | 2,039 | +28.8% | OXY 10-K (filed 2023-02-27, acc 0000797468-23-000011) ↗ |
| FY2018 | Dec 31, 2018 | 1,583 | +4.5% | OXY 10-K (filed 2022-02-24, acc 0000797468-22-000008) ↗ |
| FY2017 | Dec 31, 2017 | 1,515 | +11.6% | OXY 10-K (filed 2021-02-26, acc 0000797468-21-000009) ↗ |
| FY2016 | Dec 31, 2016 | 1,357 | – | OXY 10-K (filed 2020-02-28, acc 0000797468-20-000004) ↗ |
Breakdown
What makes up proved Oil Reserves (MMbbl)
- Proved Developed (MMbbl)1,537 · FY2025
- Proved Undeveloped / PUD (MMbbl)625 · FY2025
- United States Proved (MMbbl)1,824 · FY2025
- International Proved (MMbbl)338 · FY2025
- Revisions of Previous Estimates (MMbbl)105 · FY2025
- Improved Recovery (MMbbl)55 · FY2025
- Extensions and Discoveries (MMbbl)149 · FY2025
- Purchases of Proved Reserves (MMbbl)4 · FY2025
- Sales of Proved Reserves (MMbbl)-20 · FY2025
- Production (MMbbl)-266 · FY2025
Cite this data
StockData. (2026). Occidental Petroleum Proved Oil Reserves (MMbbl), annual FY2016–FY2025 [Data set]. Compiled from Occidental Petroleum SEC filings and investor materials. https://stockdatahq.com/stocks/oxy/kpis/res-oil-total-total
See every metric in the Occidental Petroleum KPI table. Data updated Nov 1, 2026.