Platts - The Barrel: Angola opens new frontier in oil exploration with pre-salt blocks

Angola has just chosen its partners for its next major challenge: exploring its pre-salt fields. With the exception of Cobalt International Energy, state-owned oil company Sonangol's partner in the Gulf of Mexico, the other companies are all majors and include Total, Eni, ExxonMobil, Chevron, Statoil and ConocoPhillips.