Nexans’ groundbreaking deep-water high voltage dynamic cable selected for Jansz-Io Compression project, paving the way for future offshore innovation

04.okt.2021

  • Deep-water high voltage dynamic cable will be used to power and control subsea compression of natural gas.
  • Deployment will be a major strategic reference and lead the way for future electrification of floating offshore platforms and floating offshore wind.

Paris, October 4, 2021 – Nexans is awarded a significant turnkey contract to supply and install a groundbreaking deep-water high voltage dynamic cable solution for the Jansz-Io Compression (J-IC) project operated by Chevron Australia.

The Jansz-Io gas field is part of the wider Chevron-operated Gorgon development, which has been operational since 2016 and delivers natural gas to customers across Asia and Australia. The Gorgon Project is a joint venture between the Australian subsidiaries of Chevron (47.333 percent), ExxonMobil (25 percent), Shell (25 percent), Osaka Gas (1.25 percent), Tokyo Gas (1 percent) and JERA (0.417 percent).

The J-IC project will use world-leading subsea compression technology to maintain long-term natural gas supplies to the Gorgon liquefied natural gas (LNG) and domestic gas facilities on Barrow Island. As part of this, Nexans will deploy a power and communication transmission system from the shore to the offshore compression facilities, which will sit at a water depth of 1,400m. A 145kV deep-water dynamic cable will provide power from shore to an offshore floating facility that will subsequently power and control the subsea compression.

 

“ While innovative on its own terms, the high voltage dynamic subsea cables for J-IC will be a major strategic reference and enabler for future projects in floating offshore wind and the electrification of floating offshore facilities. ”

Ragnhild Katteland

NEXANS’ EXECUTIVE VICE PRESIDENT SUBSEA AND LAND SYSTEMS BUSINESS GROUP

Nexans will use its new cable-laying vessel, the Aurora, to install the cables for J-IC. The new vessel is state of the art and its high load, carousel capabilities are specifically designed for laying cables in complex, deep-water deployments like the Jansz-Io field. The 135km long high voltage subsea power cable will also be manufactured, tested and installed in one continuous length.

To date, Nexans has invested more than €500M in high voltage state-of-the-art manufacturing and installation assets, firmly establishing it as a world leader in cabling solutions for offshore developments (offshore wind, interconnectors).

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