Greater Tortue Ahmeyim FLNG Terminal

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Greater Tortue Ahmeyim FLNG Terminal is a proposed floating liquefied natural gas terminal for export on the maritime border of Senegal and Mauritania. The terminal belongs to both countries.[1]


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Project details

Phase 1

  • FSRU Owner: Golar[2]
  • Owner: BP; Kosmos Energy[3]
  • Parent company: BP; Kosmos Energy[3]
  • Location: on the maritime border of Senegal and Mauritania
  • Coordinates: 16.355639, -17.745778 (approximate)
  • Trains: 4[2]
  • Capacity: 2.5 mtpa (0.625 mtpa per train)[2]
  • FID status: FID (2018)[4]
  • Status: Construction[2]
  • Type: Export[1]
  • Start year: 2023[3]

Phase 2

  • FSRU Owner: Golar[2]
  • Owner: BP; Kosmos Energy[3]
  • Parent company: BP; Kosmos Energy[3]
  • Location: on the maritime border of Senegal and Mauritania
  • Coordinates: 16.355639, -17.745778 (approximate)
  • Capacity: 7.5 mtpa[2]
  • FID status: pre-FID (late 2022/early 2023)[5]
  • Status: Proposed[2]
  • Type: Export[1]
  • Start year:

mtpa= million tonnes per year; bcfd = billion cubic feet per day; bcm/y = billion cubic meters per year


The Greater Tortue Ahmeyim project will produce gas from an ultra-deepwater subsea system and mid-water floating production, storage and offloading (FPSO) vessel, which will process the gas, removing heavier hydrocarbon components. The gas will then be transferred to the floating liquefied natural gas (FLNG) facility, a nearshore hub located on the Mauritania and Senegal maritime border.[1]

The FLNG facility is designed to provide 2.5 million tonnes per annum, with the total gas resources in the field estimated to be around 15 trillion cubic feet. The produced gas will be used for export, as well as for domestic use in both Mauritania and Senegal. The parties will continue to finalize agreements and obtain final regulatory and contract approvals, following which Phase 1 of the development will move into a detailed design and construction phase.[1]

Project execution activities are expected to commence in 1Q 2019. First gas for the project was expected in 2022. Following a competitive process involving all partners, BP Gas Marketing has been selected as the sole buyer for the investor partners’ LNG offtake for Tortue Phase 1. Partners involved include the Mauritanian and Senegalese governments, BP, Kosmos Energy and National Oil Companies Petrosen and SMHPM.[1]

In December 2018, a final investment decision was taken for Phase 1.[4]

In October 2019 a US$700 million loan for the conversion of the LNG carrier Gimi into an FLNG vessel to serve the Greater Tortue Ahmeyim FLNG Terminal was closed. Participating commercial banks included ABN Amro, ING, Morgan Stanley and Standard Chartered, with the publicly funded Development Bank of Japan also involved.[6]

On April 7, 2020, BP declared force majeure due to delays caused by the Covid-19 pandemic and announced a one-year delay in delivering the project to 2023.[7]

As of October 2021, the total cost of the project was expected to be $4.6 billion.[8]

In May 2022, Kosmos Energy announced Phase 1 was 75% complete at the end of Q1 2022, and the FLNG vessel was expected to become operational by 2023.[3]

Articles and resources


  1. 1.0 1.1 1.2 1.3 1.4 1.5 BP announces Final Investment Decision for Phase 1 of the Greater Tortue Ahmeyim LNG development, BP, accessed April 2019.
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2020 World LNG Report, page 102, International Gas Union, April 27, 2020
  3. 3.0 3.1 3.2 3.3 3.4 3.5 "Kosmos: BP's Tortue FLNG project 75 percent complete". LNG Prime. 2022-05-09. Retrieved 2022-05-10.
  4. 4.0 4.1 "Greater Tortue Ahmeyim LNG Project". NS Energy Business. Retrieved 2022-05-10.
  5. The LNG Industry: GIIGNL Annual Report. GIIGNL. May 2022.
  6. Gimi FLNG Production Vessel, IJGlobal, accessed May 25, 2020.
  7. BP issues force majeure to Golar over Tortue Ahmeyim LNG project, Reuters, Apr. 7, 2020
  8. "Project Spotlight: Greater Tortue Ahmeyim Project". Energy Capital & Power. 2021-10-20. Retrieved 2022-07-27.

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