September 15, 2024

The average estimated ultimate recovery (EUR) for new wells drilled in 2023 (MBbl) for major US Lower 48 oil basins. The EUR is an estimate of the total amount of oil expected to be recovered from a well or field by the end of its producing life.

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The Permian Delaware formation had the highest EUR of all US oil basins at over 900 MBbl in 2023. It was followed by the Williston basin at 675 MBbl and Eagle Ford at 600 MBbl. The remainder of the basins drop from just under 600 MBbl (Permian Midland) to a low of just 30 MBbl (California).