Hengyi Industries Sdn operates the Pulau Muara Besar refinery, which is located in Brunei and Muara, Brunei. It is an integrated refinery owned by Zhejiang Hengyi Group and Damai Holdings. The refinery, which started operations in 2019, has an NCI of 11.

Key processes of the refinery

Crude Distillation Unit (mbd): 160
Coking (mbd): 22
Hydrocracker (mbd): 44
Reformer (mbd): 66
Hydrotreater (mbd): 70
Isomerization (mbd): 14

The capacity of the refinery is expected to increase to 440mbd by 2030.

During the period 2021-2025, the Pulau Muara Besar refinery is expected to witness an estimated capex of $4,914.38m.

Upcoming expansion projects at Pulau Muara Besar refinery

Phase II, H2SO4 Alkylation Unit, Flexicoking Unit

Contractors involved in the refinery

Some of the key contractors for the upcoming projects at the Pulau Muara Besar refinery include the following.

Design/FEED: DuPont de Nemours.


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.