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Located on Norway's west coast, Naxys AS adopted acoustic technology for subsea oil and gas installations on the Norwegian Continental Shelf (NCS). This technology monitors large subsea structures using distant positioned sensors that analyze acoustic emissions in the structure's vicinity. Smaller and easier to operate than existing systems, it provides leakage monitoring and condition monitoring that reduce structural failure. The company was acquired by Bjørge AS in 2005.
CONDITION MONITORING AND LEAK DETECTION
Acoustical Condition Monitoring (ACM) is widely used in everyday life and has steadily become more advanced. It is used widely for detecting cracks, leaks, vibration and friction in land-based process machinery, providing early warning of fatigue failure, thus extending test times and minimizing downtime.
ACM is suited for condition monitoring of subsea installations with succsessful demonstrations carried out at the Troll Pilot subsea Separation and Water Injection plant, the Troll PTG valve skid and the Åsgard B export riser base.
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