MSI updates Ichthys buoy operations
Metocean Services International has completed its first annual service of McDermott Australia’s AXYS WatchMate current and wave buoy.
This is installed in 270 m (885 ft) of water at theINPEX-operated Ichthys field in the Browse basin offshore Western Australia.
First production from theIchthys LNG project is targeted for 3Q 2017.
Real-time meteorological, current, and directional spectral wave data is telemetered back to MSI via Inmarsat satellite and posted onto a client website.
Data is also sent to an FTP site, allowing McDermott personnel to use it to support the ongoing infield construction.
The WatchMate buoy is a solar-powered instrument that provides measurement of directional waves. The sensor unit comprises three accelerometers, three rate gyros, a fluxgate compass, and a TRIAXYS processor.
A Nortek 600KHz profiler provides current data while meteorological data can be measured using a variety of sensors.
The WatchMate was chosen due to the extreme local metocean conditions at the site which meant that a standard wave buoy was unlikely to survive, MSI claims.
It features added flotation and a site-specific mooring, designed by AXYS.
After three years, with offshore work completed, McDermott will likely recover the buoy.
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