BP confirms development concept for 2nd phase of GTA LNG project
BP and partners on February 27 confirmed the development concept for the second phase of the Greater Tortue Ahmeyim (GTA) LNG project that they will take forward to the next stage of evaluation.
The partnership – composed of BP, PETROSEN, Société Mauritanienne des Hydrocarbures (SMH) and Kosmos Energy – will evaluate a gravity-based structure (GBS) as the basis for the GTA Phase 2 expansion project (GTA2) with a total capacity of between 2.5-3mn metric tons/year.
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GBS LNG developments have a static connection to the seabed with the structure providing LNG storage and a foundation for liquefaction facilities.
The concept design will also include new wells and subsea equipment, integrating with and expanding on existing GTA infrastructure. The partnership will consider powering LNG liquefication using electricity to help drive operational emissions lower. BP and its partners are now working with contractors to progress the concept towards the pre-FEED stage.
GTA is located 120 km offshore in a water depth of 2850 m, one of the deepest subsea developments in Africa. Phase 1 – currently under development - will export gas to an FPSO approximately 40 km offshore where the gas will be processed and liquids separated, before exporting gas onward to floating LNG facilities 10 km offshore. It is expected to produce around 2.3mn mt/yr of LNG when operations commence.
In July 2021, the GTA project was granted the status of ‘National Project of Strategic Importance’ by the governments of Mauritania and Senegal.
BP and the two governments already have a long-standing and wide-ranging cooperation encompassing the GTA project and other potential energy developments. In October 2022, BP announced the signature of an exploration and production sharing contract for the BirAllah gas resource in Mauritania. In addition, BP continues to work with partners on the development of a gas-to-power project in Senegal, Yakaar Teranga.
Most recently, BP signed a memorandum of understanding with the government of Mauritania to deliver a programme exploring the potential for large-scale production of green hydrogen in the country.