The largest oil deposit ever found in America was just discovered in Texas
▻http://www.businessinsider.com/usgs-estimates-20-billion-oil-barrels-in-texas-wolfcamp-shale-forma
“The fact that this is the largest assessment of continuous oil we have ever done just goes to show that, even in areas that have produced billions of barrels of oil, there is still the potential to find billions more,” Walter Guidroz, program coordinator for the USGS Energy Resources Program, said in a statement.
More than 3,000 horizontal oil wells have already been drilled and completed in the Midland Basin Wolfcamp section, according to the USGS. To get the oil, producers fracture, or “frack,” the earth below with a high-pressure liquid mixture to untap oil and gas from shale rock.