Saudis Now Fully Own America’s Biggest Oil Refinery Adan Salazar Posted on May 2, 2017 Posted in Aggregated No Comments Tagged with U.S. News Previously owned 50 percent in the refinery before acquiring the full stake from Royal Dutch Shell on Monday. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email