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Reducing the Cost of Subsea Corrosion Monitoring

seatooth-pipelogger-corrosion-53617WFS Technologies (WFS), a supplier of underwater wireless instrumentation and control solutions to the offshore oil and gas and renewables industries, has launched the Seatooth PipeLogger Corrosion Monitor, designed to reduce the cost of long term monitoring of subsea pipelines and jumpers.
The Seatooth PipeLogger Corrosion Monitor incorporates Ultrasonic Thickness (UT) sensors that monitor wall thickness to an accuracy of 0.1 millimeters through up to 6 millimeters of pipe insulation. Up to eight UT sensors can be integrated with a single Seatooth PipeLogger to measure wall thickness at key points of interest. Wall thickness measurements are taken at user-defined intervals – typically daily or weekly – and stored in an on-board data logger. Data is harvested wirelessly by diver, ROV or AUV using Seatooth subsea radio or in real time through a Seatooth-enabled Subsea control module (SCM). The wireless communications range of standard Seatooth devices through seawater, the seabed, concrete blankets and the splash zone is 5-10 meters.
The Seatooth PipeLogger Corrosion Monitor incorporates Seatooth Endure, technology designed to extend the battery life of subsea wireless systems to up 15 years.
Systems are depth rated to 1,000 meters or 4,000 meters are compact and weigh less than 5 kilograms in seawater. They are suitable for deployment by mini-ROV operating off a rig or small vessel or by diver. Deployment and recovery is facilitated by use of magnetic clamps. An optional protection cover is available for systems buried in the seabed, under concrete blankets or rubble.
Target applications include identification and measurement of pipeline grooves, monitoring corrosion rate in vulnerable locations and optimization of corrosion management systems.

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