WFS, TSC release Seatooth ACFM

November 1, 2016

WFS Technologies and TSC have launched Seatooth ACFM (alternating current field measurement), a wireless smart non-destructive testing monitoring solution designed to reduce subsea inspection costs. 

TSC‘s ACFM array probe is a well-established tool that can be installed on offshore structures to monitor the growth of surface breaking cracks.  

Seatooth is a subsea wireless communications system that provides communications through seawater and through the splash zone, and is resistant to biofouling, surface noise and turbidity.  

Combining the technologies together, Seatooth ACFM is a non-intrusive, wireless network solution which can be retro-fitted to offshore structures and subsea assets. Seatooth ACFM units are user-configured to take readings as required, from once a minute to once per month. 

Seatooth ACFM can be configured as standalone sensors or within subsea wireless networks.  

As standalone devices, information is harvested by a fly-by remotely operated vehicle (ROV) or a diver. When configured as a wireless network on offshore platforms, real-time data is streamed wirelessly through the splash zone to an asset management control station located either on the platform or on shore. 

Seatooth ACFM systems come with an internal battery pack to support between 5 and 15 years of operation and are installed by light-class ROV deployed off platforms.  

“The ACFM technique has received approvals from various organizations including DNV, Bureau Veritas, Lloyds Register and ABS,” said David Parramore, engineering and operations director, TSC. “Standard practice documents covering ACFM have been issued by ASTM (E2261-03), ASME V and COFREND.”

 

Read more:

WFS develops Seatooth technology

 

Image: Crack detection/WFS Technologies

 



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