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Wednesday, May 28, 2014
Drilling of the Affanga Deep-1 well on the Gnondo Block offshore Gabon was not the success Ophir Energy hoped for. The company reported that the well, drilled by the Vantage Titanium Explorer drillship encountered thinner than expected sandstone sections with poor reservoir characteristics.
The well was drilled to a depth of 4,240 meters TVDSS and was targeting a number of reservoir intervals of Turnonian and Cenomanian age. Gas and indications of liquids were encountered during drilling but significant hydrocarbon shows were not encountered in the target formations.
Cuttings have confirmed the presence of a Cenomanian oil prone source rock which may have positive implications for the prospectivity of the wider Ogooué Delta outboard play and for the deepwater play to the west of this location. Log and cuttings analysis is continuing.
The rig will now move to spud the pre-salt Okala prospect on the Mbeli Block. The Okala-1 well is expected to take approximately 40 days to complete.
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