Bangchak Refinery

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Summary Information

Refining Units

  • Atmospheric Distillation
  • Hydrocracker
  • Hydrogen Unit -
  • Diesel Hydrotreater
  • Isomerisation Unit
  • Sulphur Recovery -

Terminal Capacity

  • Crude Oil:
  • Refined Products:

Crude Supply

  • The refinery processes domestic Pattani and Wichian Buri crude oil
  • It has also processed Malaysia’s and Brunei’s crude oil

Products Produced

  • Liquefied Petroleum Gas, Gasoline, Gasohol E10, E20, E85, Jet Fuel, PowerD (High Speed Diesel) and Fuel oil.


  • An upgrade project was completed in 2009
  • See Bangchak Refinery Product Quality Improvement Project
  • This project included the revamping and expansion work of its existing plant units with processing capacity 120,000 BPSD, and 6 new units (Hydrocarbon Complex with capacity 25,000 BPSD).
  • Following completion, the products of Bangchak oil refinery meet the most stringent specifications, including low-sulfur gasoline & low-sulfur diesel.

Other Information

  • The refinery utilises natural gas for energy


  • 1964 - Refinery commissioned
  • 1969 - Capacity increased to 68,000 bpd (Toyo Thai)
  • 1993 - Capacity increased to 120,000 bpd
  • 2009 - Bangchak Refinery Product Quality Improvement Project completed
  • 2010 - Cogeneration plant completed
  • 2012 - A fire occurred in the crude unit
  • 2016 - Contract awarded for CCR Reforming unit


  1. Refinery Webpage
  2. Bangchak-PTT to increase Thai crude oil refinement
  3. The Bangchak Petroleum Public Company Limited awards Product Quality Improvement Project to CTCI
  4. Toyo Thai Projects
  5. Declaration of the Bangchak Fire Incident
  6. Bangchak Petroleum Selects Axens CCR Octanizing™ Technology for its Energy, Efficiency and Environment Improvement Project in Bangkok, Thailand