Nexans’ DEH system to be utilised in Shah Deniz project

The world’s largest ever DEH systems contract forms part of Nexans’ 10-year global frame agreement with BP to supply cables and umbilical systems for deep-water projects

Paris, March 27, 2014 – Nexans’ Direct Electrical Heating (DEH) cable systems will be installed to help in maintaining the reliable flow of products from the Shah Deniz  field, located in the Azerbaijan sector of the Caspian Sea. The world’s largest DEH project to date will see Nexans deliver a total of 130 km of the cable system to provide flow assurance for 10 subsea flow lines. The contract is worth approx 100 million Euro.

DEH systemThe DEH systems, including riser cables, piggy back cables and accessories, will be designed, engineered and manufactured at Nexans’ specialized subsea cable and umbilicals facility in Halden, Norway. They include a modern integrated protection system (IPS) to protect the sophisticated piggy back cables against damage after installation on the sea floor.

First delivery of the system will take place in July 2014. The second will take place in June 2016.

“This contract forms part of the 10-year frame agreement Nexans concluded with BP to supply umbilical cables, DEH systems, accessories and services for various deep-water oil and gas projects across the globe,” says Krister Granlie, Vice President, Hybrid Underwater Cables Division, Nexans Norway. “It represents further recognition of the key role that our state-of-the-art DEH technology can play in providing reliable and environmentally friendly flow assurance. We have already performed several pre-studies in cooperation with BP regarding the application of DEH systems across the Shah Deniz field.”

Direct electrical heating (DEH)

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.

By controlling the current, the pipeline inner wall can at all times be maintained above the critical temperature for wax and hydrate formation. As a result, problem free and reliable transportation is achieved. Traditional methods for flow assurance, by the use of chemical treatments and pressure evacuations, have considerable operational costs with long down times and may present a risk to the environment.

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Nexans bringt Energie zum Leben – mit einem umfassenden Sortiment an Kabeln und Kabelsystemen, die unseren Kunden weltweit die Steigerung ihrer Performance ermöglichen. Die Teams der Nexans-Gruppe verstehen sich als Partner im Dienst des Kunden und sind in vier großen Geschäftsbereichen tätig: Energietransport und -verteilung (an Land und unter Wasser), Energieressourcen (Erdöl und Erdgas, Bergbau und erneuerbare Energien), Transport (Straße, Schiene, Luft, See) und Bauwesen (Gewerbegebäude, Wohngebäude und Rechenzentren). Die Strategie von Nexans beruht auf der kontinuierlichen Innovation von Produkten, Lösungen und Dienstleistungen sowie auf der Einbindung der Mitarbeiter, der professionellen Kundenbetreuung und der Anwendung von sicheren und umweltschonenden Industrieprozessen. 2013 gründete Nexans als erstes Unternehmen der Kabelindustrie eine Stiftung, die Initiativen unterstützt, mit deren Hilfe benachteiligte Bevölkerungsgruppen weltweit Zugang zu Energie erhalten. Die global agierende Nexans-Gruppe ist mit rund 26.000 Mitarbeitern in 40 Ländern vertreten und erzielte 2013 einen Umsatz von 6,7 Milliarden Euro. Nexans ist an der NYSE Euronext Paris (Compartment A) notiert. Weitere Informationen erhalten Sie unter:

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