Petrobras confirms Santos basin presalt discovery

Initially announced as a discovery in February 2013, Brazil’s Petroleo Brasileiro SA (Petrobras) has confirmed that its 1-SPS-98 (1-BRSA-1063-SPS) well, the first to be drilled on Block BM-S-50 offshore Brazil, has tested carbonate reservoirs with good permeability.

The block, informally known as Sagitario, is in Brazil’s ultradeepwater Santos basin presalt region 194 km offshore Sao Paulo in 1,871 m of water. It has reached total depth of 7,110 m, the company said. From a starting point of 6,144 m, the company detected 159 m of presalt reservoirs bearing 32º API gravity oil.

Petrobras holds a 60% interest in the well with partners BG E&P Brasil and Repsol Sinopec Brasil, each with 20% interest.

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