Minnesota Public Radio News | Critics press ND to make Bakken oil safer, despite costs Minnesota Public Radio News Instead, state inspectors starting Wednesday will check oil at well sites to make sure the vapor pressure runs no greater than 13.7 pounds per square inch of Reid Vapor Pressure, the measurement standard of volatile gases in crude oil. Oil involved in ... Bakken oil trains roll across Columbus Low oil prices may translate to increased opportunities for local manufacturers US battles Opec as oil output growth beats 100 year record |