Gisement gazier sénégalais de Yakaar-Teranga : Pourquoi Kosmos a décidé de quitter
Kosmos Energy wants to withdraw from the Yakaar Teranga gas field. The Texas-based company, which currently operates Grand Tortue Ahmeyim (GTA), has outlined the reasons behind this decision.
"Regarding Yakaar-Teranga, we are collaborating with Petrosen to withdraw from the block, having failed to find a suitable partner or to agree on a commercially attractive development concept with the Senegalese government," the Texas-based company announced in its 2025 report, without going into details.
To understand this situation, we need to go back to 2023. Indeed, due to differences of opinion, British Petroleum (BP), which held a 60% stake in the block (Petrosen 10%, Kosmos 30%), had agreed to a total waiver of all its rights and obligations on the deposit.
It was also planned that a new partner would enter through a cross-transfer of 32% of Kosmos' shares and 1% of Petrosen's shares, resulting in an association composed, in the long term, of Petrosen 34%, Kosmos 33% and the new partner 33%.
This would make Petrosen the majority partner in the future association. This structure was expected to mark a turning point in Petrosen's rise to power, allowing it to play a more prominent role.
Thus, in accordance with the "gas-to-power" and "gas-to-industry" strategies promoted by the State of Senegal, Petrosen and Kosmos had until now been working on a development concept that would prioritize the rapid and competitive delivery of natural gas to the domestic market combined with the production of liquefied natural gas (LNG) for export.
But Kosmos Energy clearly doesn't find this development concept commercially attractive. And to complicate matters further, the Texas-based company hasn't found the much-anticipated partner to strengthen the joint venture—a partner who was supposed to hold a 33% stake.
As a reminder, the Yakaar and Teranga discoveries were made in 2015 and 2016 respectively with recoverable gas resources of more than 20 TCF (approximately 560 billion cubic meters).
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