The GTA-1 well was drilled in about 2,500m of water using the Ensco DS-12 rig. Credit: Erin.

Kosmos Energy and its partners have announced that the Greater Tortue Ahmeyim-1 well (GTA-1) encountered 30m of net gas pay in the Albian reservoir.

The Greater Tortue Ahmeyim gas project, which is located offshore Mauritania and Senegal, was drilled on the eastern anticline within the unit development area of Greater Tortue. First gas from the Greater Tortue Ahmeyim LNG project is expected in the first half of 2022.

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The well will be used to further optimise the development drilling plans for the Greater Tortue project, which is operated by BP.

Kosmos Energy chairman and CEO Andrew Inglis said: “The GTA-1 well confirms our expectation that the gas resource at Greater Tortue Ahmeyim will continue to grow over time and could lead to further expansion of this world-scale 10 MTPA LNG project.

“In addition, Kosmos’ process to sell down its interest to 10% has received considerable interest from the industry, with initial bids expected over the summer, and transaction conclusion anticipated by year end.”

The well was drilled in about 2,500m of water using the Ensco DS-12 rig, approximately 10km inboard of the Guembeul-1A and Tortue-1 wells, to a total depth of 4,884m. Working on behalf of BP, the rig will now move to drill the Yakaar-2 appraisal well in Senegal.

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Drilling at this well is expected to take place in the coming weeks, before the Orca-1 exploration well drilling starts in Mauritania, expected late in the third quarter of 2019. Partners in the Greater Tortue Ahmeyim project include SMPHM, Petrosen, BP, and Kosmos.

In April, BP awarded contracts to McDermott International and Baker Hughes, a GE company (BHGE) for the Greater Tortue Ahmeyim natural gas project.