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Amni and Afren announce successful completion of operations on the Okoro-3 well in Nigeria

Source: www.gulfoilandgas.com 11/23/2006, Location: Africa

AMNI International Petroleum Development Company Limited ("AMNI") and Afren plc ("Afren” or "the Company") announce the successful results of the Okoro-3 well offshore Nigeria. Amni and Afren are pleased to announce the successful completion of operations on the Okoro-3 well in Nigeria.

Okoro-3 is the first well to be drilled by Afren/Amni on OML 112 in the shallow water Niger Delta. Okoro-3 is a vertical appraisal well on the Okoro Field which was discovered by the Okoro-1 well in 1973. Okoro-1 found oil in two separate Agbada Formation sands between 4,900 and 5,550 feet. The Okoro-3 well was designed to evaluate the eastern extent of the field and acquire the full data suite, in particular fluid samples, which are essential for development planning.

The well commenced on 14th October and was drilled to total depth of 6,500ft in the Miocene Agbada Formation. The well confirmed the eastern extension of the field and also the hydrocarbon contacts seen in both sand formations in the initial discovery. A 30ft interval in the Upper sand was tested and oil samples were taken that have confirmed the well productivity potential and other key reservoir properties.

Flowing tubing head pressures and other Petroleum Engineering data recorded during the test, indicate that estimated production capacity for a completed production well would be in excess of 4,000 barrels of oil per day.

Following completion of testing operations, a second appraisal well will be drilled on the Okoro Field. The well will be drilled as a deviated sidetrack from the Okoro-3 wellbore and is designed to further evaluate both reservoirs and provide greater control for planning future horizontal production wells. The sidetrack programme is expected to take approximately 15 days.

The pre-drill range of reserves for the Okoro-Setu development project were 20 mmbbls Proven (P1) and 35 mmbbls Probable (P2) reserves. Initial post well analysis of Okoro-3 results indicates that the revised range of reserves for the Okoro-Setu project is now 35 mmbbls Proven (P1), an increase of 75%, and 40 mmbbls Probable (P2).

Development drilling on both the Okoro and Setu Fields is scheduled to commence in Q3 2007 with the Global Santa Fe Adriatic VI drilling unit and field development planning is currently on schedule for first oil in early 2008.

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Related Articles: Artificial Lift  Cementing, Stimulation  Directional Drilling  Drilling  Drilling Engineering & Equipment Systems  Enhanced Oil Recovery  General  Logging, Perforating, Testing  Offshore Drilling  Reservoir/Completion Consultants  Workover & Well Services  Workover Rigs/Services 


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