A probe of Chevron Corp. (CVX)’s oil spill offshore Brazil is completed, Magda Chambriard, the head of the country’s oil regulator, known as the ANP, said today at a press conference in Rio de Janeiro. The regulator, who doesn’t yet have a date to release the probe, said Chevron hasn’t proved it identified the cause of the spill.

To contact the reporter on this story: Rodrigo Orihuela in Rio de Janeiro at rorihuela@bloomberg.net

To contact the editor responsible for this story: Robin Saponar at rsaponar@bloomberg.net