WeeklyTime passing as Petrobras and Exmar still locked in Buzios floater talksDeal not yet finalised five months after award as sources say contractor is facing challenges pairing with yard, and others flag up potential retenderProduction: the P-74 is one of two FPSOs already operating on the Buzios field in the Santos basin off BrazilFabio PalmigianiGareth ChetwyndKathrine SchmidtXu YiheRio de Janeiro/Houston/Singapore