Speaking to journalists in Brasilia, Parente also said he might meet with Brazil's finance minister on Tuesday evening to discuss a dispute over the so-called "transfer of rights" area, involving the revaluation of stakes in offshore oil blocks.

Petrobras agreed to pay $2.95 billion to settle a U.S. class action corruption lawsuit earlier in January, in what was said to be the biggest such payout in the United States by a foreign entity.

(Reporting by Marcela Ayres; Editing by Marguerita Choy)