Fugro assists Technip with Alvheim well tie-in

Fugro is providing wave measurements to support Technip’s subsea operations at oil recovery project on the Det norske-operated Alvheim field, on the Norwegian continental shelf.

The subsea infrastructure on the Alvheim field, located in North Sea, about 225 km west from Stavanger, is being extended by offshore construction company Technip and involves four areas that are being tied-in via subsea wells to improve oil production rates. Technip’s subsea operations are being performed at depths of around 120 to 130 metres.

Fugro explains that Technip required access to real-time wave measurements in order to estimate the sea state. The data will be used to inform safe and efficient operational planning activities, minimise risk and maximise cost-efficiency.

Technip commissioned Fugro to deploy a Datawell Waverider buoy to monitor wave conditions onsite in real-time over a period of 12 months.

Victoria Jones, Tendering Project Manager, Fugro said: “We used our expertise and capabilities to design a suitable mooring for the conditions expected at the Alvheim field. Fugro has an extensive equipment pool which allowed us to mobilise the necessary equipment and personnel promptly to Bergen to fit Technip’s schedule.”

“We deployed the Waverider buoy safely in January using a vessel we regularly charter for operations in Norwegian waters and plan to return to service the equipment in July and then redeploy it for a further six months.”

Fugro says that the Waverider buoy is now collecting a range of raw wave data, processing the information and then transmitting summary wave parameters at half-hourly intervals via satellite link. Data including wave period, height and direction are then displayed on a project-specific web page that can be accessed by the client and other interested parties via a secure log-in. The information is presented in real-time on a variety of user-friendly pages, with options including graphic formats and tabular data.

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