Express.co.uk | Oil prices: Donald Trump set to BLOCK Saudi Arabia and OPEC's plans to raise costs Express.co.uk DONALD Trump has surprised markets with plans to sell US oil reserves, which is set to keep market supply high and thwart Saudi Arabia and OPEC's plans to control prices. By Lana Clements. PUBLISHED: 16:11, Tue, May 23, 2017 | UPDATED: 16:26, Tue, ... American oil companies deepen Saudi ties, despite rivalry Venezuela: The Brutal Consequences Of Oil Addiction Here's The Catch With The US-Saudi Defense, Oil Deals |