Texas now "swims" in 20 billion bbl of crude oil that the US Geological Survey has "discovered" in the Pennsylvanian-Permian Wolfcamp shale of West Texas.
Source: News
Texas now "swims" in 20 billion bbl of crude oil that the US Geological Survey has "discovered" in the Pennsylvanian-Permian Wolfcamp shale of West Texas.
Source: News