Fourth Iara well exhibits excellent characteristics

Presalt carbonate reservoirs in the fourth exploratory well in the Iara area of Santos basin Block BM-S-11 have better characteristics than those found in the Iara discovery well, said Petroleo Brasileiro SA (Petrobras).

Petrobras drilled and formation tested the 3-RJS-706 (3-BRSA-1132-RJS) well but did not reveal test rates. It said the well “strengthened the potential of recoverable light oil from Iara” and confirmed the discovery of good quality oil of 28° gravity announced on Mar. 5.

The well, in 2,197 m of water 6 km west of the 1-RJS-656 Iara discovery well and 226 km south of Rio de Janeiro, topped the carbonate reservoirs at a depth of 5,260 m and encountered excellent porosity, permeability, and productivity, the company said.

Petrobras 65% in partnership with BG E&P Brasil 25% and Petrogal Brasil 10% will proceed with the activities outlined in the evaluation plan approved by Brazil’s National Petroleum, Natural Gas and Biofuels Agency (ANP).

The group is drilling the 3-RJS-715D (3-BRSA-1181D-RJS) well in the center of the Iara evaluation plan area.

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