Multiple choice Which is the largest oil refinery in the world? Ras tanura (saudi arabia) oil refinery. SK energy, ulsan, south korea Paraguana refinery complex, Falcon, Venezuela Jamnagar refinery (Reliance Industries), Jamnagar, Guajrat, India ExxonMobil, Singapore Reveal answer Fill a bubble to check yourself D Correct answer Explanation It is the largest oil refinery in the world. It was commissioned on 15 July 1999. It has a capacity of 1,240,000 barrels per day.