The Brazilian state-led company also plans to rename the fields Buzios and Lula South, respectively, according to a filing to Brazil's National Petroleum Agency (ANP) on Thursday.

The commercial declarations kick off the formal review process for blocks in special unlicenced pre-salt acreage, where Petrobras will be allowed to produce up to 5 billion barrels of crude over 40 years as part of an oil-for shares mechanism.

Petrobras