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Sunday, April 9, 2017
Results from the Cairn Energy-operated VR-1 appraisal well offshore Senegal are in and according to the company they are “encouraging”, marking Cairn’s sixth successful well offshore the country. The well encountered the targeted lower (500 series) reservoirs within the oil column as anticipated, confirming the reservoir presence, fluid contacts and fluid quality in line with the results from the previous wells.
Preliminary analysis indicates the lower (500 series) reservoir quality is better and slightly thicker than previously encountered, with oil and water samples taken and recovered to the surface.
Cairn said that the results will be useful for the planning of the first phase of development – the lower 500 series reservoirs are the better connected, more tabular, highly productive sands, where water-flooding should yield recovery factors of 30% or more. The well result also confirmed the predictability of the mapped reservoir over a wide area giving confidence to the reservoir engineering models.
The deeper carbonate exploration targets were encountered as expected with indications of hydrocarbons at the base of the well in tight formation, however they are not currently viewed as commercial. The well provided a significant amount of new stratigraphic and log data which will be incorporated into the regional geological model.
Simon Thomson, CEO Cairn Energy PLC said, “VR-1 is the sixth successful appraisal well on the SNE field and has encountered some of the best quality reservoirs found to date, some 5 kilometres from the original SNE-1 discovery well.
Resource numbers will be updated later this year following completion of appraisal operations. The drilling programme is currently ahead of schedule and significantly under budget. We look forward to commencing operations on SNE-6.”
The VR-1 is being plugged and abandoned and the Stena DrillMAX drill ship is moving location to commence operations shortly on the SNE-6 appraisal and interference test well, ~2 km to the south of the SNE-1 discovery well.
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