On 6 February 2019, the ANP officially approved of Neptune Energy Brasil Participacoes Ltda divesting its 35% non-operated working interest to Oak Petroleo e Gas SA in the Reconcavo Basin REC-T-057 block awarded through the ANP Round 13.Â  Alvopetro is the operator of the contract with a 65% working interest and Oak Petroleo e Gas holds a 35% working interest.
Neptune Energy Brasil Participacoes divesting its 35% non-operated working interest to Oak Petroleo e Gas  (Alvopetro op.65%) in the REC-T-057 block.