Petrobras holds 100% interest in both concessions, with the exception of exploratory block BM-ES-23, in Golfinho, where it owns 65%.
The firm period agreed with PetroRio for the lease and operation of the FPSO Polvo has been extended to 3Q21 (from 3Q20), with options until 3Q22.
The study, known as a SeepHunter campaign, includes the results of 342 conventional cores and 29 jumbo piston cores and heat probes.
FPSO Sepetiba will be deployed at the Mero field in the Santos Basin offshore Brazil, 180 km offshore Rio de Janeiro.
The transaction entailed the sale to SBM Offshore of Constellation’s equity ownership in the lease and operating companies related to five Brazilian FPSOs.
Oil and gas production has started at the P-68 FPSO located in BM-S-11-A Concession in Berbigão, Sururu and West Atapu.
The FPSO will be chartered for 21 years and deployed in the Búzios field in the Santos Basin, offshore Brazil.
Petrobras and CNODC offered the the minimum allowed profit oil of 29.96% for rights to explore and produce oil at the Aram block in Brazil's Santos Basin.
Petrobras and Chinese state firms CNOOC and CNODC made the only bids out of over a dozen major oil firms who had registered. Two of four blocks on offer got no bids.
The survey started in late 2018 and covered the Buzios field, lying in approximately 2000 m water depth.