GS Caltex operates the Yeosu refinery, which is located in Jeollanam-do, South Korea. It is an integrated refinery owned by Chevron and GS Energy. The refinery, which started operations in 1969, has an NCI of 6.88.

Key processes of the refinery

Crude Distillation Unit (mbd): 800
Vacuum Distillation (mbd): 150
Catalytic Cracker (mbd): 154
Hydrocracker (mbd): 128
Reformer (mbd): 30
Hydrotreater (mbd): 326
Alkylation (mbd): 12

The capacity of the refinery is expected to remain the same as 800mbd by 2030.

Maintenance activities at Yeosu refinery

The Yeosu refinery witnessed five incidents during the period 2015-2020.

About GS Caltex

GS Caltex Corp (GS Caltex), a subsidiary of GS Energy Corp, is a downstream company that offers petroleum and petrochemical products, base oil, and lubricants. The company’s portfolio of products includes jet fuel, marine fuel oils, homo polypropylene, impact polypropylene, paraxylene, random polypropylene, benzene, toluene, and solvents. It also offers shipping and international trading services through its subsidiaries. GS Caltex operates refinery complexes, service stations, and R&D capabilities in South Korea. It serves primarily the manufacturing, chemical and automobile markets. The company has operational presence in China, Singapore, India, Czech Republic and Mexico. GS Caltex is headquartered in Seoul, South Korea.


Information on the refinery is sourced from GlobalData’s refinery database that provides detailed information on all active and upcoming, crude oil refineries and heavy oil upgraders globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.