Santos Basin, Campos Basin
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Petrobras says that well 4-ESS-175-ES (ANP reference: 4-BRSA-449-ESS), drilled in the Pirambu Field, has deeper reservoirs saturated with light oil (nearly 29 degree API), positioned in the pre-salt section, with a total thickness of 60 meters. The well presented a production of approximately 1,250 barrels/day in the drill stem test carried out in a cased vertical hole, at a water depth of 1,270 meters and at final depth of 4,751 meters. This result confirms this producer interval's potentiality.
This well is located in the old BC-60 block, off the Espirito Santo state coast, nearly 125 km south of the city of Vitoria. It is part of the Pirambu field, located in the northern portion of the Campos Basin, where oil had already been discovered in Tertiary reservoirs. The discovery was made during work undertaken in the Discovery Evaluation Plan for well 1-ESS-121-ESS, in an area operated by Petrobras, which owns 100% of the concession. This field's Declaration of Commerciality was sent to the National Petroleum Agency (ANP) in December 2006.
Additional studies will be required for a better assessment to be made of the reservoirs available in this new field.
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