The Sierra Leone Basin consists of several discoveries in Upper Cretaceous slope fan systems. To date these discoveries have proven to be sub-commercial, however, significant potential still remains within this proven play.
Extracting amplitudes from far angle stack 2D data reveals the scale of undrilled potential. Amplitude anomalies associated with the Savannah and Venus discoveries are clearly visible on the extraction surface. Down-dip from these discoveries within the same stratigraphic unit are a number of large, undrilled slope fans with seismic character analogous to the existing discoveries. Visualising the extent of these fan systems in comparison to Venus, Savannah and other discoveries in this basin demonstrates the potential in the deeper offshore area.
Existing high-resolution, long-offset 2D data, allows for accurate mapping of these deeper fan systems and generation of new exploration prospects in Sierra Leone.
The current Sierra Leone database consists of:
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