ExclusivePetrobras eyes awarding trio of large Buzios FPSOs in single shotBrazilian oil giant hopeful on signing major contracts for the P-80, P-82 and P-83 floatersBig plans: Petrobras production development director Joao Henrique RittershaussenPhoto: ALAOR FILHO/PETROBRASFabio PalmigianiRio de Janeiro