The Brazilian government has unveiled more details about the fourth pre-salt round due to take place on 7 June 2018, with plans to raise up to 4.65 billion reais ($1.45 billion) from the sale of five deep-water prospects in the prolific play.

The acreage being offered includes the Dois Irmaos and Itaimbezinho areas in the Campos basin, as well as the Saturno, Tres Marias and Uirapuru areas in the Santos basin.