The death of U.S. Energy Independence will occur when the collapse of shale oil production begins. And when U.S. shale oil production finally peaks and declines, it could fall much more rapidly than we realize. The rate at which U.S. shale oil production declines in the future is based on two key factors, remaining reserves, and the oil price.
https://srsroccoreport.com/the-coming-collapse-of-u-s-shale-oil-production/