Saudi Aramco will hide oil from drone strikes in Singapore Saudi oil company Saudi Aramco will begin storing oil in underground rock reservoirs in Singapore starting next year, reports the Financial Times. The Jurong Rock complex on an artificial island can hold up to 9 million barrels of oil. The decision involves risks to global supplies due to the war in the Middle East. Following the closure of the Strait of Hormuz and attacks on energy infrastructure, Saudi Arabia seeks to locate reserves closer to key markets in Asia.