Subject: Re: Shale 4.0
"Permian (Delaware and Midland Basins): 70.5 Billion barrels of oil and 300 Trillion cubic feet of gas."

Almost, but not entirely, certain that these previously quoted numbers do not include 12 Billion barrels of additional oil that could be produced from the Permian Basin using CO2 Enhanced Oil Recovery (EOR).

https://pubs.usgs.gov/fs/2021/...
https://pubs.usgs.gov/circ/148...