BW Energy revealed that it has found commercially viable amounts of oil in the offshore Gabon Hibiscus South satellite prospect.
The discovery was made through the DHBSM-1 appraisal well, which was drilled to a total depth of 6,002m from the MaBoMo production platform.
BW Energy said it intends to go back to the well in early 2024 to finish it as a production well.
The target region was drilled by the Borr Norve jack-up rig and is situated around 5km south-west of MaBoMo.
Based on logging data evaluation, sample analysis, and formation pressure measurements, there is approximately 20m of pay in an overall hydrocarbon column of 26.5m in the Gamba formation.
According to the preliminary assessment, there are roughly 16 million barrels of oil in place and 6–7 million barrels of gross recoverable reserves.
The estimates are in line with the pre-drill forecasts that were announced before drilling activities started, the company said.
BW Energy added that the well data confirmed that the Hibiscus South structure is a distinct accumulation with a deeper oil-water contact than the neighboring Hibiscus Field.
As a result, the company will be able to drill one or more further production wells from the MaBoMo platform and book additional reserves that are not currently included in its annual statement of reserves.
BW Energy CEO Carl Arnet stated, “The efficient appraisal of the Hibiscus South satellite structure offers a cost-effective and low-risk means of expanding the Dussafu production and reserve foundation. We anticipate swiftly commencing production of these valuable barrels. Additionally, this outcome validates the substantial potential within the Dussafu license, which includes multiple forthcoming prospects.”