DESIGN AND MANUFACTURER OF FMI EQUIPMENT FOR INSPECTION THE OFFSHORE PLATFORM USING THE GAMMA-RAY TRANSMISSION TECHNIQUE

Abstract

The Offshore Platform the coast of Vietnam requires regular inspection of these critical structures as defects can allow seawater ingress, leading to structural damage over time. Inspection of defects on Offshore Platform structures hundreds of meters underwater using traditional inspection methods can be a complex and difficult task, bringing significant costs to the owner. Therefore, to ensure the safety of employees and safety of investors' assets is the main goal in providing Flooded Member Inspection (FMI) services to inspection the Offshore Platform flooding using the gamma-ray transmission technique proved to be effective and low cost. The proposed and implemented task to manufacture FMI equipment is based on the research results in the world to improve the manufacturing capacity of equipment for industrial applications and improve the professional capacity of the electronics automation in the field of nuclear electronics. According to Subsea standards, the results of the mission have created FMI devices working at a depth of (-) 300 meters certified by Lloyd's Register. Survey experiments show that FMI equipment can detect flooding in the cases of risers, inclined risers, and horizontal pipes. The machine's detection limit for the horizontal pipe component is 40mm of water in pipes of size >168mm and 20mm of water in pipes of size ≤168mm.