Oil company ConocoPhillips had oil reserves totaling 3.4 billion barrels in the United States in 2023. Therefore, ConocoPhillips was ranked first among the leading U.S. oil companies based on proved oil reserves. By comparison, Occidental Petroleum Corporation ranked fifth, with proved oil reserves amounting to 2.11 billion barrels that year.
Leading oil companies by proved oil reserves in the United States in 2023
(in million barrels)
* Amounts presented for ExxonMobil include investments accounted for by the equity method. Oil rollforwards and computations based on oil volumes exclude NGLs, which are only reported on a global basis. Figures include condensate and natural gas liquids. This EY report presents the U.S. exploration and production (E&P) results for the largest 50 companies based on 2023 end-of-year oil and gas reserve estimates.
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EY. (August 22, 2024). Leading oil companies by proved oil reserves in the United States in 2023 (in million barrels) [Graph]. In Statista. Retrieved December 21, 2024, from https://www.statista.com/statistics/294616/proved-us-oil-reserves-by-leading-gas-and-oil-companies/
EY. "Leading oil companies by proved oil reserves in the United States in 2023 (in million barrels)." Chart. August 22, 2024. Statista. Accessed December 21, 2024. https://www.statista.com/statistics/294616/proved-us-oil-reserves-by-leading-gas-and-oil-companies/
EY. (2024). Leading oil companies by proved oil reserves in the United States in 2023 (in million barrels). Statista. Statista Inc.. Accessed: December 21, 2024. https://www.statista.com/statistics/294616/proved-us-oil-reserves-by-leading-gas-and-oil-companies/
EY. "Leading Oil Companies by Proved Oil Reserves in The United States in 2023 (in Million Barrels)." Statista, Statista Inc., 22 Aug 2024, https://www.statista.com/statistics/294616/proved-us-oil-reserves-by-leading-gas-and-oil-companies/
EY, Leading oil companies by proved oil reserves in the United States in 2023 (in million barrels) Statista, https://www.statista.com/statistics/294616/proved-us-oil-reserves-by-leading-gas-and-oil-companies/ (last visited December 21, 2024)
Leading oil companies by proved oil reserves in the United States in 2023 (in million barrels) [Graph], EY, August 22, 2024. [Online]. Available: https://www.statista.com/statistics/294616/proved-us-oil-reserves-by-leading-gas-and-oil-companies/