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Pancontinental Oil & Gas NL says it has received the Mbawa 3D seismic survey pre-stack time migration processed data taken offshore Kenya. Operator Origin Energy is in the process of interpretation and mapping.

The data shows features similar to the previously examined Mbawa ‘flat spots’ and the structure is robust and large, says Pancontinental. The main upper Mbawa flat spot indicates a possible gas/oil or gas/water interface. A second flat spot about 120m deeper is consistent with a possible oil-over-water interface, says Pancontinental.
Pancontinental’s interpretation is consistent with a gas column of about 100m overlying an oil column of about 120m but these can only be validated by further seismic analysis and drilling. True DHI’s are only seen at this depth when the reservoir rocks (in this case sandstones) are thick and highly porous, suggesting a highly productive reservoir system if oil or gas is present.

The 3D processing took longer than anticipated due to its complexity. Amplitude-versus-offset analysis and special PSDM seismic processing are ongoing.