Brazil oil 2012 6 21

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Obama says ‘We’re ready to be your best customers.’

Brazil's Petrobras wants ban on oil driller Transocean lifted

Brazil's Petrobras on Friday asked courts to lift a ban on operations of rig owner Transocean in connection with a major ocean oil spill last year.

An airliner making its final approach (C) and oil rigs can be seen in this panorama of the Guanabara Bay at daybreak in Rio de Janeiro, Brazil, on May 24, 2012.

CHRISTOPHE SIMON

AFP/Getty Images