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Nexans Wins a DEH System Contract from Statoil

Source: www.gulfoilandgas.com 5/3/2011, Location: Europe

Nexans, a worldwide leading expert in the cable industry, has been awarded a 20 million euro contract by Statoil to design and manufacture the direct electrical heating (DEH) system for the subsea pipelines serving the new Fossekall Dompap oil and gas field on the Norwegian Continental Shelf. The Fossekall Dompap fields tie back to the Norne FPSO (Floating Production Storage and Offloading) where Nexans previously supplied DEH systems for pipelines to Urd and Alve. The contract covers the delivery of a complete DEH system, including DEH Riser Cable with four power cores, Armoured Feeder Cables, a 25km Piggyback Cable and all associated accessories for connection to- and installation on the pipeline that will connect the Fossekall Dompap subsea facilities with the Norne FPSO. The Piggyback Cable incorporates a new Integrated Protection System which has been qualified by Nexans in order to ensure protection from mechanical loads such as trawling.

Direct electrical heating (DEH) is a technology for flow assurance, developed to safeguard the wellstream flow through the pipeline to the platform. Alternating current (AC) transmitted from the DEH cable runs through the steel in the pipe, which heats up due to its own electrical resistance. This allows the pipeline to be operated in a cost efficient and environmentally safe manner.

“Nexans has worked in close cooperation with Statoil to pioneer the development and commercial application of DEH and this latest contract for Fossekall Dompap confirms its proven capability as a reliable, eco-friendly and cost-effective method of maintaining flow in subsea production pipelines” says Ragnvald Graff, Sales & Marketing Director, Energy Division, Nexans. “Nexans completed the first DEH system for Statoil in the Asgard field in 2000 and we already have DEH systems operating from the Norne FPSO that serves the Urd and Alve fields”. The cables for the Fossekall Dompap DEH system will be manufactured at the Nexans factory in Halden, Norway, for delivery in April 2012. The Fossekall Dompap development, in 330 to 360 metres of water, is part of Statoil's fast-track project portfolio. Statoil plans to start production in December 2012. Statoil estimates to recover a total of 63 million bbl (barrels) of oil and gas, mostly oil.

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