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Tuesday, August 8, 2017
Cairn Energy has seen another success while drilling in Senegal. The company and its JV partners successfully drilled the SNE North-1 well on the Sangomar Deep Offshore Block. The well encountered oil and gas in the primary objective and oil in the deeper secondary objective, in a separate accumulation to the SNE field.
According to Cairn’s preliminary analysis, an estimated 24-meter gross hydrocarbon column across three intervals was encountered, as well as an estimated 11 meters of condensate and gas in a high-quality reservoir in the primary objective. There was around four meters of oil in good quality reservoir in a deeper secondary objective, below the SNE field oil water contact.
Further work is being undertaken to establish the potential commerciality of this discovery and to integrate the results with the block wide data gathered to date.
The well result has positive implications for further hydrocarbon potential to the north of the structural trend containing the SNE field and SNE North-1 discovery well, as well as for broader exploration potential in the permit.
A full set of oil, water and gas samples was recovered to the surface. After completing conventional logging, a series of Modular Formation Dynamic Testing (MDT) mini-fracs were obtained across the reservoir section to help calibrate the geo-mechanical model of the SNE field and aid development well design.
The drilling of the SNE North-1 well marks the end of the five-well 2017 drilling campaign. SNE North-1 is being plugged and abandoned and the Stena DrillMAX rig will be released.
The JV is reviewing the potential for further exploration drilling operations next year within the Rufisque, Sangomar and Sangomar Deep PSC area.
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