The world's current need for oil reserves as one of the sources of energy security is only surpassed by public demand for reduction on carbon emissions intensity and more environmental friendly developments. Asset revitalization and life extension projects fulfill both these objectives increasing recovery factor of existing fields while also allowing for the reduction of emissions through the deployment of new technologies and infrastructure optimization. 30 years after being recognized with OTC distinguished achievement, Petrobras brings back the case of Marlim and Campos Basin, pioneers in deepwater offshore development, now delivering cutting edge technologies to mature asset revitalization that allowed the company to halve CO2/boe intensity.