Potential changes to Brazil oil code 'important' for Petrobras -CEO

BRASILIA, July 27 (Reuters) - A planned overhaul of rules governing Brazil's subsalt oil reserves is "important" for state-controlled oil producer Petróleo Brasileiro SA, Chief Executive Officer Pedro Parente said on Wednesday. (Reporting by Maria Carolina Marcello; Writing by Guillermo Parra-Bernal; Editing by W Simon)