Geo Oceans planned and executed a complex Mini-ROV advanced NDT scope on FPSO riser turret mooring J-tubes offshore of Western Australia. The scope included extensive high-pressure water blasting to remove 20 years of marine growth from each riser section, box section and other features prior to CVI inspection (HD video), ACFM inspection of welds and circumferential C-scan corrosion mapping of the J-tubes. The project was a major success and illustrated the dynamic cleaning, maintenance and overall inspection capabilities of these systems.