Top 5 Largest Refineries In The World

2. SK Energy Ulsan Refinery

Refining Capacity: 840,000 b/cd

The SK Energy Ulsan Refinery is owned and operated by SK Energy, which is a subsidiary of SK Innovation Co., Ltd. (KRX: 096770). Located in Ulsan, South Korea, it is the largest refinery in South Korea and the second largest in the world with a refining capacity of 840,000 barrels per day as of 2020.