PTT Global Chemical Public operates the Rayong II refinery, which is located in Rayong, Thailand. It is an integrated refinery owned by PTT Public. The refinery, which started operations in 1996, has an NCI of 9.47.

Key processes of the refinery

Crude Distillation Unit (mbd): 145
Condensate Splitter (mbd): 135
Vacuum Distillation (mbd): 65
Hydrocracker (mbd): 53
Reformer (mbd): 28
Hydrotreater (mbd): 122

The capacity of the refinery is expected to remain the same as 280mbd by 2030.

Maintenance activities at Rayong II refinery

The Rayong II refinery witnessed two incidents during the period 2015-2020.

About PTT Global Chemical Public

PTT Global Chemical Public Co Ltd (PTTGC) is a chemical company that manufactures and distributes upstream, intermediate, and downstream petrochemical products. The company’s products include olefins, polymers, refinery, green chemicals, EO-based performance, phenol, aromatics, and specialties. Its refinery products comprise light naphtha, light distillates, consisting of LPG, and reformate; consisting of jet fuel and diesel; middle distillates, and heavy distillates such as fuel oil. PTTGC offers services such as plant maintenance, utility businesses, engineering design services, pipeline infrastructural services, polymers sale, marketing services and others. The company has its operations in China, Malaysia, Singapore, the US and others. PTTGC is headquartered in Bangkok, Thailand.


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.