ENEOS operates the Chiba III refinery, which is located in Chiba, Japan. It is an integrated refinery owned by ENEOS. The refinery, which started operations in 1968, has an NCI of 9.73.

Key processes of the refinery

Crude Distillation Unit (mbd): 129
Vacuum Distillation (mbd): 83
Catalytic Cracker (mbd): 34
Hydrocracker (mbd): 40
Reformer (mbd): 28
Hydrotreater (mbd): 126

The capacity of the refinery is expected to remain the same as 129mbd by 2030.

Maintenance activities at Chiba III refinery

The Chiba III refinery witnessed one incidents during the period 2015-2020.


ENEOS Corp (ENEOS), formerly JX Nippon Oil & Energy Corp is a downstream refining company. It refines and markets petroleum and petrochemical products. The company’s products include petrochemicals, lubricants, optical films, greases, fluids, engine oils, composites, Panaferd-AX, Tow PREPREG, sheet pallet system, non-woven textile fabrics and TU cloth. Its services include importing and selling of gas and coal, supply of electricity, developing, manufacturing and marketing of fuel cells, solar power generation and manufacturing of storage batteries. ENEOS is a subsidiary of JX Holdings, Inc, and headquartered in Tokyo, Japan.

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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.