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Friday, May 20, 2016
The results of the SNE-4 appraisal well drilled offshore Senegal are in, according to operator Cairn Energy the well was successfully completed following drilling, coring and logging. The well is now being plugged and abandoned.
The SNE-4 well was appraising the eastern extent of the SNE field discovered in 2014 and aiming to confirm the nature of the upper reservoirs in the oil zone.
The well confirmed the extension of reservoirs in the eastern extent of the SNE field, more than 5 km to the east and down dip of SNE-3, it also confirmed oil bearing Upper Reservoir sands of similar quality to those encountered as gas bearing elsewhere in the field. In addition the uppermost gas sands first encountered in SNE-3 and BEL-1 were also present and gas bearing in SNE-4.
A gross oil column of around 100 meters was encountered, similar to SNE-1, SNE-2, SNE-3 and BEL-1. The company took a 108-meter core across this oil bearing reservoir interval with 100% recovery and multiple samples of gas, oil, and water recovered to surface.
The SNE-4 well is the JV’s sixth well offshore Senegal and the fourth completed this year as part of a multi-well evaluation program to help delineate the shape of the structure and establish deliverability and full potential of the field. The Ocean Rig Athena will now be de-mobilized and the JV will continue integrating the significant amount of data collected from the four wells, including two drill stem tests and more than 600 meters of core. This will enable the partners to determine the most effective way to further the appraisal of this significant oil accumulation and evaluate development options.
Cairn’s JV partners are ConocoPhillips, FAR Ltd., and Petrosen.
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