Hydrocarbon find at the far eastern end of Brazil's Equatorial Margin: Discovery still needs further work to prove commerciality, but a comparison to what is happening further west is easy to make.

The article offers information on Petrobras' discovery of hydrocarbons in the ultra-deep waters of the Potiguar Basin in Brazil. Topics include the significance of the discovery in relation to exploration success in the Suriname-Guyana Basin, the geographical distance between the two basins, and the similarities in depositional facies and overall setting along the margin.