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Source: www.gulfoilandgas.com 3/14/2008, Location: Africa
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The Onal-901 development well, to the south of the reservoir, has shown oil output at a much higher level than has been indicated in the wells tested hitherto. The roof of the Base Sandstone reservoir is also some 60 meters higher than predicted.
The two levels of the reservoir have been tested separately: the lower Base Sandstone has produced a flow of 1 100 b/d on a 32/64" choke with a 16 bar head pressure and the upper Base Sandstone has produced 2 300 b/d on a 48/64" choke with a 17 bar head pressure.
Following these results, a bent borehole will now be drilled to the south from platform 900 to confirm the extension of the reservoir and the good properties of the reservoirs.
The Onal-901 well is the seventeenth well of the Onal field's development campaign since the beginning of Maurel & Prom's activities on this permit and the first appraisal well since drilling the Onal-302 well in May 2007 to the north of the reservoir.
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