Thai Oil Refinery
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Summary Information

Brief Description

  • A large medium complexity refinery

Refining Units

  • Atmospheric Distillation
  • Vacuum Distillation Unit
  • Fluidised Catalytic Cracker
  • Hydrocracker
  • CCR Reformer
  • Isomerisation Unit
  • Desulphurisation
    • Naphtha
    • Kerosene
    • Diesel
  • Visbreaker

Terminal Capacity

  • Crude Oil:
  • Refined Products:

Crude Supply

  • Crude is unloaded from VLCC size tankers using an SPM Buoy system installed in a water depth of approximately 30 metres.

Products Produced

  • Gasoline, Diesel, Jet Fuel, LPG

Ongoing Projects

  • For details see Thai Oil Sriracha Refinery Project
  • The project's objectives are to give the refinery greater flexibility in the crudes it can process, specifically to enable the refinery to process higher sulfur crudes, to upgrade fuel oil to more valuable end products and to meet new sulfur oxides (SOx) emissions regulations coming into force in Thailand

Other Information

  • -


  • 1989 - Column revamped from 30,000 to 43,000 bpd and hydrocracker commssioned
  • 1993 - Capacity increased by 100,000 bpd
  • 1995 - Isomerisation unit commissioned
  • Gasoil desulphurisation unit commissioned
  • 2005 - Saipem awarded contract for design, procurement, fabrication, installation and pre-commissioning of an unloading Single Point Mooring buoy and pipeline
  • 2005 - ABB awarded contract to revamp CDU

Relevant Links

  1. Chiyoda Crude Distillation Units
  2. Chiyoda Thermal Cracking Units
  3. Chiyoda Sweetening Units
  4. Chiyoda Vacuum Flasher Vacuum Distillation Units
  5. Chiyoda Catalytic Reforming Units
  6. Chiyoda Sour Water Stripping Units
  7. Chiyoda Hydrogen Manufacturing Units
  8. Chiyoda Naphtha And Middle Distillate Hydrodesulfurization U
  9. Chiyoda H2S Removal Units With Amine
  10. Bluewater Calm Buoy Mooring References
  11. Refinery Web Page
  12. ABB wins major contract for Thai Oil refinery
  13. Saipem wins four new contracts worth $550 million in Angola, Mexico, Thailand and Saudi Arabia
  14. Saipem awards SPM contract to Bluewater

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