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BP gains GTA gas resource boost

Probe uncovers further pay for LNG project off Mauritania and Senegal with additional wells planned

BP has uncovered more gas resources with a well drilled on the margins of its under-development Greater Tortue Ahmeyim (GTA) field off Mauritania and Senegal, according to partner Kosmos Energy.

The GTA-1 well struck 30 metres of net gas pay in a “high-quality” Albian reservoir after being drilled by drillship Ensco DS-12 on the eastern anticline of the field in a water depth of around 2500 metres, Dallas-based Kosmos said in a statement.

It was drilled to a total depth of 4884 metres, about 10 kilometres inboard of the Guembeul-1A and Tortue-1 wells. However, no gas resource estimate was disclosed for the well.

The well has been designed as a future producer and will be used to optimise development drilling plans for the BP-operated liquefied natural gas project straddling the two West African countries that is due online in the first half of 2022.

The EnscoRowan-owned drillship will subsequently be used to sink the Yakaar-2 appraisal probe set to be spudded in the coming weeks, followed by the Orca-1 exploration well that is scheduled for the third quarter of this year.

Kosmos chief executive Andrew Inglis said the latest 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 the LNG project to achieve targeted output capacity of 10 million tonnes per annum.

Kosmos to sell off interests

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BP and Kosmos, together with remaining partners SMPHM and Petrosen, aim to invest $17 billion to exploit around 15 trillion cubic feet of gas from the GTA field using a floating production, storage and offloading vessel supplied by TechnipFMC.

GE-controlled Baker Hughes and McDermott International were earlier this year awarded contracts to deliver the subsea production system and umbilicals, risers and flowlines, respectively.

Golar LNG’s floating LNG solution will be used in the first phase at GTA — based on a 2.5 million-tpa vessel — with BP having an option to deploy one more of these units in future phases.

US contractor KBR has also landed the pre-front-end engineering and design deal from BP for the next two phases of the GTA project.

Kosmos, meanwhile, disclosed that it has garnered “considerable interest” from industry players for the proposed sale of its 10% stake in the scheme.

The company stated initial bids were expected during the summer with the transaction expected to be completed by year-end.

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