BRAZIL'S oil sector is doing better than most. In a successful half-decade, Petrobras has come through the Car Wash corruption scandal and put in place a system of governance that has allowed the company to rebuild its credibility while deleveraging steadily. Oil and gas production are steadily rising as Petrobras and its international partners apply advanced deep-water production solutions to get the best out of the technically challenging pre-salt fields. No wonder then the state-con-
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