Bloomberg | US Shale Oil Trumps Risk of Supply Shock After Saudi Purge Bloomberg The oil market's more concerned about U.S. shale supplies than any repercussions from a crackdown that's enveloped royals and billionaires in Saudi Arabia, OPEC's biggest producer and the world's top crude exporter. Saudi Crackdown Doesn't Guarantee Aramco IPO – Or Higher Oil Arrest of Saudi Aramco board member casts fresh doubt over oil giant's listing Trump says he asked Saudi king to list oil company on New York exchange |