Asian refiners are not sure yet how the shutdown of the key Saudi East-West oil pipeline to the Red Sea would affect oil loadings at the port of Yanbu. Saudi Arabia was forced to temporarily shut down the East-West oil pipeline following drone attacks launched from the territory of Iraq close to the Iranian border. The shutdown is a precautionary measure, after the attacks resulted in a number of injuries, the world’s top crude oil exporter said. The East-West pipeline became Saudi Arabia’s vital oil route to bypass the Strait of Hormuz…