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New well in Libra confirms extension of the discovery in the pre-salt block

Petrobras have concluded the drilling of well 3-BRSA-1305A-RJS (3-RJS-739A), located in the northwestern area of the Libra block, in the Santos Basin pre-salt cluster, and confirmed the discovery of oil of good quality in reservoirs of excellent productivity.

The well found an oil column measuring approximately 270 meters and high quality reservoirs in communication with other wells that had already been drilled in the area. Two formation tests, carried out in two separate intervals, confirmed these reservoirs’ excellent productivity and the good quality of the oil (28º API), similar to what was found in wells 2-ANP-2A-RJS and 3-RJS-731.

Petrobras is currently drilling two other wells in the northwest area of the Libra block: 3-BRSA-1322-RJS (3-RJS-741) and 3-BRSA-1339-RJS (3-RJS-742). At the former, the oil carrier range was found through cable profiles – record of hydrocarbon formations traversed by the well – and fluid samples, which will be characterized by laboratory analyses. The well is currently at a depth of 5527 meters. The latter, 3-RJS-742, meanwhile, started being drilled on February 6.

These three wells are part of the activities of the Discovery Assessment Plan (DAP) for well 2-ANP-2A-RJS submitted to the National Petroleum Agency (ANP) on September 15, 2015, and currently in the approval process.

The Libra Consortium is formed by Petrobras (operator, 40%), Shell (20%), Total (20%), CNPC (10%), and CNOOC (10%), with contract management by Pré-Sal Petróleo S.A. (PPSA).

Image credit: Petrobras


Source: Petrobras


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