Fifth Gas Transmission Pipeline Project

From Global Energy Monitor
This article is part of the Global Fossil Infrastructure Tracker, a project of Global Energy Monitor.

The Fifth Gas Transmission Pipeline Project (Phase I, II and III) is an under construction natural gas pipeline in Thailand.[1][2][3]


The proposed pipeline would run from Rayong, Thailand to Sai Noi, Nonthaburi, while passing through Chonburi, Chachoengsao, Prachinburi, Bangkok, Pathumthani, and Pra Nokorn Sri Ayudhaya. The exact route appears on p.14 of a September 2016 TRC Corporate presentation on the project.[4][5]

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Project Details

  • Operator: PTT[6]
  • Owner: PTT[6]
  • Parent company: PTT[6]
  • Capacity:
  • Length: 430 kilometers[6][7]
  • Diameter: 42 inches[8]
  • Status: Phase I- Operational, Phase II and III Construction[3][9]
  • Start year: 2023[3][7]
  • Cost:
  • Financing:
  • Associated infrastructure:


The pipeline project is expected to cost 99 billion baht ($2.8 billion) and is expected to be completed in 2021.[1][3] Rayong is the receiving port for Thailand’s LNG imports and is located adjacent to the country’s only re-gasification plant.[10]

Phase-I of the project included 150 kilometers long pipeline and supporting facilities, and was reportedly completed in March 2020.[11][12] Phase II includes 200 kilometers long pipeline from the tie-in point at Phanomsarakarm district of Chachoengsao to the existing gas pipeline network at Sai Noi Nonthaburi.[6] In 2018 PTT signed a contract with JSC OGCC KazStroyService (KSS) for construction of Phase II.[13] As per PTT's Annual Report 2021, the pipeline segments till the control station 5.8 in Chachoengsao had been commissioned.[3][9]

As per PTT's Annual report 2022, total project progress as of December 2022 was 95.26% (Including 3 phases construction). [8]

Articles and resources


  1. 1.0 1.1 Thailand's PTT picks Marubeni-Itochu venture to supply natural gas pipeline, Reuters, Jan. 12, 2017
  2. "JFE Steel Corporation". JFE Steel Corporation. Retrieved 2021-09-19.
  3. 3.0 3.1 3.2 3.3 3.4 Annual Report 2020 (PDF). PTT. 2021. p. 40.
  4. 2nd Quarter 2016 Operating Performance, TRC Corporate, Sep. 7, 2016
  5. "IBCI". Retrieved 2021-09-19.
  6. 6.0 6.1 6.2 6.3 6.4 "Integrity Pact (IP) - PTT Procurement". Retrieved 2021-09-19.
  7. 7.0 7.1 "Investor Update April 2023" (PDF). PTT.{{cite web}}: CS1 maint: url-status (link)
  8. 8.0 8.1 "Annual Report 2022". Retrieved 2023-08-11.{{cite web}}: CS1 maint: url-status (link)
  9. 9.0 9.1 "Annual Report-2021". Retrieved 2022-08-08.{{cite web}}: CS1 maint: url-status (link)
  10. Marubeni, Itochu Win Thai Gas Pipeline Contract, Asia Oil & Gas, Jan. 18, 2017
  11. "Sinopec on Facebook". Facebook. Retrieved 2021-09-19.{{cite web}}: CS1 maint: url-status (link)
  12. "Sinopec on Twitter". Twitter. Retrieved 2021-09-19.{{cite web}}: CS1 maint: url-status (link)
  13. "PTT BUILDING CONTRACT SIGNED FOR PHASE 2 OF FIFTH PIPELINE". nationthailand. 2018-06-29. Retrieved 2021-09-20.

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External resources

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