1 Background and characteristics of Brazil FPSO P67/P70 project Floating Production Storage and Offloading(FPSO) is a comprehensive large-scale offshore oil and gas production unit that integrates oil and gas processing,oil storage and unloading,daily life,and power supply.Approximately210 FPSO units are in service currently,distributed in various offshore oil and gas fields in the world,accounting for approximately 72% of the total number of floating platforms.