World's first subsea wireless CP monitoring system introduced

5/31/2013

World's first subsea wireless CP monitoring system introduced

ABERDEEN -- WFS Technologies and Stork Technical Services have introduced Seatooth Smart CP, the world’s first subsea wireless cathodic protection (CP) monitoring system, designed for retrofit to existing fields. Seatooth Smart CP monitors the effects of corrosion by measuring anode current wirelessly, in real time, using a Seatooth S100 device and a wireless-enabled ROV.

For both preventive and diagnostic applications, the system enables wireless monitoring of the condition of the sacrificial anode to verify it is functioning and its rate of depletion. The CP Engineer can extrapolate what weight of anode material is required to optimize levels of protection, based on actual conditions on the structure.

Each monitoring node converts the local data to a digital stream. The digital stream is transmitted wirelessly using Seatooth S100 from WFS, through a networked monitoring system. This data is wirelessly harvested by ROVs (or divers) as frequently as required, providing the maintenance team with time-stamped data showing the condition of the CP system. This ROV gathered data indicates to the Engineer when to apply the retrofit or plan the maintenance, rather than responding to issues and failures in the field.

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