Field_DevelopmentFlexibility fuels Petrobras 'rethink' on FPSO contracting in BrazilTightening charter market and scale of Buzios lead Petrobras to mull repeatable floatersFloater-fest: as Brazil rocked this week to Carnival's beat, state giant Petrobras continues to dazzle in the pre-salt with promises of an improved version of the replicant FPSO concept in years ahead.Photo: RYTIS DAUKANTAS/UPSTREAMGareth ChetwyndLondon