Mexican President Claudia Sheinbaum said on Thursday that problems with a higher-than-usual content of salt in the crude oil ...

The Búzios field is considered one of the most promising points in the so-called Brazilian pre-salt, an area of oil reserves formed by a layer of sedimentary rocks and located in ultra-deep ...

"This is a new accumulation in a zone lower than the main reservoir," Petrobras said, adding the discovery reaffirms the pre-salt potential of Buzios field, referring to a layer in the oil-rich ...