TotalEnergies, through its Liberian subsidiary, is joining forces with BluEnergies to explore the Harper Basin’s deep-water fan play offshore Liberia.
The parties have signed a joint study and application agreement.
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The Harper Basin is located on the West Africa Transform Margin. This margin and its conjugate South American Margin are regions where the basin-floor fan play is being actively explored, developed and produced.
The partnership between TotalEnergies and BluEnergies, which has been established under an industry standard agreement, seeks to identify prospects within blocks LB-26, LB-30 and LB-31.
The two companies plan to apply for production sharing contracts (PSCs) if economically viable drillable prospects are found.
A budget has been allocated by both companies for an 18-month work programme that includes advanced seismic reprocessing by TGS ASA and the acquisition of new offshore sea bottom data.
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By GlobalDataThe reprocessing, which commenced in late November 2025, covers approximately 6,167km² of original 3D seismic data acquired in 2013.
This initiative aims to enhance reservoir imaging accuracy and assess the hydrocarbon potential more reliably.
Supporting this collaboration, BluEnergies and TotalEnergies’ Liberian subsidiaries have obtained a new reconnaissance licence, RL-003, from the Liberia Petroleum Regulatory Authority.
This licence covers an area of around 8,924km² and grants BluEnergies a 35% participating interest, while TotalEnergies holds a 65% stake.
Under RL-003, the companies are tasked with conducting a comprehensive work programme that includes data reprocessing and collection.
RL-003 replaces BluEnergies’ former RL-002 licence, allowing recovery of reconnaissance expenditures under future PSCs.
Previously, BluEnergies solely held RL-002 and acquired a review licence for the 3D seismic survey in October 2024.
Following interpretation of this data, seven large basin floor fans were delineated.
In a separate development, TotalEnergies has revealed that its subsidiary, TotalEnergies EP Nigeria, has entered into a sale and purchase agreement with Vaaris. This agreement involves selling the company’s 10% non-operated stake in the Renaissance joint venture (JV) licences located in Nigeria.
Previously known as the SPDC JV, the Renaissance JV is an unincorporated collaboration comprising Nigerian National Petroleum Corporation with a 55% share, Renaissance Africa Energy as the operator holding 30%, TotalEnergies EP Nigeria with 10%, and Agip Energy and Natural Resources Nigeria owning 5%.
Together, these entities manage 18 licences in the Niger Delta region.
In November 2025, TotalEnergies completed the sale of its non-operated interest in the Bonga deep-water oilfield off the coast of Nigeria.
