Ain Sifni
On 17 April 2012, the Company announced that the Simrit-2 exploration well had discovered a significant oil accumulation based on the results of drilling, wireline logs and sidewall core sampling. The objective of the Simrit-2 exploration well was to test the western extent of the Simrit anticline. The well was initially drilled to its prognosed total measured depth of 12,139 ft (12,129 ft true vertical depth) and successfully encountered an estimated 1,342 ft of net oil pay in Cretaceous, Jurassic and Triassic age reservoirs, an estimated 1,024 ft of which is interpreted as containing light oil. No oil water contact has been established in the target reservoirs.
As there were continuing strong hydrocarbon shows to the planned depth of 12,139 ft, Afren and operator Hunt Oil Middle East ran casing at that depth and continued drilling to a new total depth of circa 12,467 ft to test additional zones of prospectivity. Drilling operations are expected to be completed by the end of May, after which a comprehensive well testing programme will be undertaken across multiple reservoir intervals.
Testing operations are expected to take up to two months to complete. Following this, the drilling rig will be mobilised to the East Simrit prospect to drill the Simrit-3 exploration well. Given the scale of the oil column that has been intersected with the Simrit-2 well, the initial volumetric estimates for the Ain Sifni PSC are being updated to incorporate the new data.
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