SUBSEA INSPECTION TECHNOLOGIES

FLOODED MEMBER DETECTION (FMD)

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Flooded Member Detection (FMD)

GAMMA FMD SUBSEA UNIT

Flooded Member Detection (FMD) system is a reliable and cost-effective method to detect flooded members on subsea platform and structures.

Oil & Gas platforms periodically require critical members of its structure to be inspected on a regular basis for any anomalies. Any cracks, leaks and other damage defects to structural members could allow water to ingress and potentially lead to structural failures over time. This can be prevented by conducting flooded member detection (FMD) inspections.

The Gamma Flooded Member Detection (FMD) system uses Caesium 137 radioactive source inspection technology. It is mounted on a frame which is carried by the remotely operated vehicles (ROVs), to facilitate the inspection of underwater structures. All readings are in real time and reported on site.

The frame of our FMD system is built out of high-grade aluminium with stainless steel fittings to provide outstanding strength while remaining lightweight. In this way, it can be adapted to fit a wide range of ROVs, ranging from the smallest observation ROV to the largest work class ROV

FMD DATA ACQUISITION AND REPORTING SOFTWARE

The components data is logged into the software prior to the survey and are then grouped in sizes relatives to the frame configuration to generate an efficient inspection programme. Calibration of air and water counts taken prior to each dive are entered into the software which then provides the operator with a real time predicted dry or flooded status.

Any anomalies found are discovered in real-time, with a detailed report post survey.

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