Petrobras, Exxon Mobil Corp. and Chevron Corp. won exploration rights in Brazil’s Equatorial Margin, betting that the ...

Exxon Mobil and Chevron on Tuesday took their first steps toward exploring for oil in Brazil's Foz do Amazonas basin, ...

Exxon Mobil (XOM) and Chevron (CVX) won exploration rights for several blocks in the environmentally sensitive Foz do ...

Exxon Mobil and Chevron on Tuesday took their first steps toward eventually exploring oil in Brazil's Foz do Amazonas basin, ...