Utah, Colorado rival OPEC oil reserves, lure Chevron, Exxon, Shell


Colorado and Utah have as much oil as Saudi Arabia, Iran, Iraq, Venezuela, Nigeria, Kuwait, Libya, Angola, Algeria, Indonesia, Qatar and the United Arab Emirates combined.
That’s not science fiction, according to Bloomberg News. Trapped in limestone up to 200 feet (61 meters) thick in the two Rocky Mountain states is enough so-called shale oil to [...]