Fugro to monitor Schiehallion BOP, riser motions

Offshore staff

ABERDEEN, UK – BP Exploration Operating Co. has contracted Fugro to support drilling activities for the Quad 204 redevelopment of the Schiehallion field west of Shetland.

Over the next seven years plans are to drill 25 wells with the new semisubmersible Deepsea Aberdeen.

Fugro will provide its wellhead and riser instrumentation service (WARIS), which incorporate DeepData subsea motion monitoring pods. These are ROV-retrievable and can be deployed for up to one year.

They will be positioned on the BOP, lower marine riser package, and at selected riser locations. The pods communicate motion data and statistics to the surface via subsea hydroacoustic modems and interfaces with the vessel’s existing high precision acoustic positioning system.

A topsides data acquisition system will be used to collect and process the subsea readings. The system will also integrate data feeds from existing Fugro environmental monitoring equipment, allowing the subsea structural motion to be correlated against parameters such as significant wave height and currents.

This is expected to improve understanding of the riser and wellhead behavior.


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