Tantawan Oil And Gas Field

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Thailand Oil & Gas Fields

Chevron Oil & Gas Fields

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Summary Information

  • Operator: Chevron
  • Country: Thailand
  • Location: Blocks B8/32 & 9A, 265 miles south of Bangkok
  • Production start:
  • Partners: Chevron, PTTEP, Mitsui
  • Type: Oil & Gas
  • Estimated Reserves:
  • Production Volume:


  • Blocks B8/32 (oil and gas production) and B9A cover a combined gross acreage of 2,402 sq km in the Gulf of Thailand over the northern Pattani Basin where water depths range between 42 metres and 113 metres.
  • As well as the Tantawan Field it includes Benchamas, Chaba, Jarmjuree and Maliwan
  • The Tantawan Explorer FPSO was designed to handle 50,000 bpd of oil and 150 MMSCFD of gas compressed to a pressure of 1850 psi


  • Sembawang Shipyard: Conversion of the 136,960 dwt tanker TANTAWAN EXPLORER , ex BAYERN , into a Floating Production Storage & Offloading (FPSO) vessel
  • Saipem: Pipeline Installation


  • 1996 - Sembawang Shipyard awarded FSPO contract
  • 1997 - FSPO conversion completed
  • 2003 - Chevron acquired stake in Block 9A
  • 2005 - Modeco & PTTEP acquire a 46.34% interest in the B8/32 Concession from Pogo for US$820 million in cash



  1. PTTEP, Thailand and Overlapping Areas
  2. Saipem Asia Pipeline References
  3. Sembawang Shipyard Clinches FPSO Conversion Contract
  4. ChevronTexaco Acquires Block 9A Close to Existing Production Offshore Thailand
  5. MOECO agrees to purchase Thailand Oil and Gas Assets from Pogo
  6. Sembawang Shipyard Completes Major FPSO Conversion

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