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  • Afren announces Okoro East well test results

Afren announces Okoro East well test results

Wednesday, Mar 07, 2020

Afren plc (“Afren” or the “Company”) announces that testing has been completed at the Okoro East oil discovery, offshore south east Nigeria, and that results confirm a high quality 38° to 40 API oil, in excellent reservoir sands.  Based on the test data the Company expects future horizontal production wells at Okoro East will be capable of yielding between 4,500 to 7,000 bopd per well.  The Company will drill two production wells using existing facilities in H2 2012 and up to 8 production wells, under a full field development scenario.

Following the Okoro East exploration well discovery announced on 17th January 2012, three drill stem tests (DSTs) have been undertaken and completed.  The purpose of the tests was to obtain fluid samples and pressure data in order to establish reservoir connectivity, heterogeneity and quantify permeability and porosity.  The tests have confirmed a high quality 38° to 40° API oil, multi Darcy permeabilities and average porosity of between 30% to 35%, in the subject reservoirs.  The pressure data also obtained has helped with the Company’s structural understanding of the field and  supports the pre drill volumetric estimates (Pmean STOIIP of 157 mmbbls).

Based on the test data, the Company expects future horizontal production wells at Okoro East will be capable of yielding rates of between 4,500 bopd to 7,000 bopd per well.  The Company intends to drill up to two production wells in H2 2012 using the free well head slots on the existing Okoro platform, which will be tied back to the Armada Perkasa Floating Production, Storage and Offloading vessel.  This production information will allow Amni and Afren to finalise development options, with up to 8 possible production wells under a full field development.


Source: Afren

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