Petrobras has finished drilling the first appraisal well in the Appraisal Plan Area following theBarra discovery in the deep waters of the Sergipe-Alagoas Basin.Known informally as Barra 1, the 3-SES-165 well is located around 100 km from the municipalityof Aracaju, of the coast of the State of Sergipe, at a water depth of 2,433 m and approximately 10 km southeast of the wildcatwell, 1-SES-158 (Barra).

The objectives of drilling Barra1 were to verify the southeastern extension of the gas accumulation discoveredby the wildcat well in the sandstones of the upper section of CalumbiFormation, and to investigate the continuity in the same direction of oil-saturatedsandy reservoirs in the lower section of Calumbi Formation, found by well1-SES-158.

Tags: Petrobras