In a troubled oil world, the Permian Basin is the gift that keeps on giving. One portion of the giant field, known as the Wolfcamp formation, was found to hold 20 billion barrels of oil trapped in four layers of shale beneath West Texas. That’s almost three times larger than North Dakota’s Bakken play and the single largest U.S. unconventional crude accumulation ever assessed, according to the U.S. Geological Survey. At current prices, that oil is worth almost $900 billion.
Texas oil discovery biggest ever: $900 billion
