Key Takeaways PBR began oil production at the P-78 FPSO in the Buzios pre-salt Santos Basin on Dec. 31, 2025.PBR's P-78 adds 180,000 bpd capacity and can compress 7.2 million cubic meters of gas per day.PBR says P-78 is the seventh Buzios system, lifting installed capacity to about 1.15 million bpd.Petrobras (PBR) , the national oil and gas company of Brazil, successfully began the production of oil at the FPSO P-78 unit in the Búzios field, located in the pre-salt layer of the Santos Basin.  This milestone ...