Petrobras discovers light oil in Sergipe-Alagoas basin
RIO DE JANEIRO -- Petrobras has discovered a new light oil accumulation in ultra deep waters of Sergipe-Alagoas Basin, at concession area BM-SEAL-11, located in block SEAL-M-349. The discovery took place during drilling of well 1-BRSA-1104-SES.
The well is 105 km from the municipality of Aracaju, off the coast of Sergipe State, at a water depth of 2,328 m. This well is still being drilled and has reached a depth of 5,768 m. This is Petrobras’s fifth hydrocarbon discovery in ultra deep waters of Sergipe-Alagoas Basin this year. In 2012, Petrobras had announced the presence of hydrocarbon accumulations in wells 1-SES-168 (Moita Bonita), 3-SES-165 (Discovery Assessment Plan - Barra), 1-SES-167 (Farfan) and 1-SES-172 (Muriu).
The discovery of well 1-SES-166, informally known as Cumbe, occurred in reservoirs of the Calumbi formation. The discovery was confirmed through log data analysis. Studies of pressures recorded in the reservoirs and fluid sampling have indicated the presence of light hydrocarbons.
The oil was found in excellent quality reservoirs, with thickness of 28 m. Petrobras is the operator of the SEAL-M-349 concession, with a stake of 60%, in partnership with IBV do Brasil 40%. Petrobras is going to proceed with drilling operations to a depth of 6,125 m.