InvestmentsTop Global NewsMarketsReal Estate Energy firms shut 13per cent of offshore oil production in US Gulf due to storms By financialnews_rlv83x - August 22, 2020 0 121 Oil producers shut 13per cent of offshore crude oil production by Saturday in the U.S.-regulated northern Gulf of Mexico as tropical storms Laura and Marco were forecast to cross the region next week, the U.S. government said.