SIERRA LEONE SIGNS OFFSHORE EXPLORATION DEAL WITH SHELL
— Mary Ene
Sierra Leone has just handed Shell the keys to one of West Africa's least explored deepwater basins, and the country is betting it changes everything. The reconnaissance permit, announced on April 22, 2026, covers 19 offshore blocks and authorises Shell to deploy advanced geological and geophysical…
Sierra Leone has just handed Shell the keys to one of West Africa's least explored deepwater basins, and the country is betting it changes everything.The reconnaissance permit, announced on April 22, 2026, covers 19 offshore blocks and authorises Shell to deploy advanced geological and geophysical tools including seismic data interpretation, basin modelling and petroleum systems analysis to map the country's subsurface structures. Shell does not guarantee future drilling under the terms of the agreement, but the industry weight of the commitment is unmistakable. When Shell maps a deepwater basin of this scale, the world's other major energy investors pay attention.
PDSL Director General Foday Mansaray was direct about what the deal is meant to achieve. "Our strategy is deliberately focused on de-risking the basin through high-quality data, attracting credible global players and accelerating the pathway towards exploration drilling," he said. The reconnaissance programme follows a similar agreement signed with Italy's Eni in October 2025, reflecting a deliberate two-track approach to building credible technical data before committing to a full licensing round.
Sierra Leone's offshore basin, located in the broader MSGBC geological province that has yielded significant finds in Senegal and Guinea, has long been considered promising but underexplored compared to regional peers. The country completed its fifth licensing round offering 56 offshore blocks, and officials are preparing for what they describe as the resumption of offshore drilling this year, the first campaign since 2016. A new national oil company is also in its final formation stages, with a mandatory 10% carried interest in all exploration licenses and an overall government participation target of 25 to 30%.
For a country that has struggled for decades with instability, governance challenges and underdeveloped natural resources, the Shell deal represents exactly the kind of credible international endorsement that can transform frontier status into investment priority. Sierra Leone's deepwater may hold hundreds of millions of barrels. The surveys will begin the process of finding out.