Ormen Lange phase 3
MARCHÉPétrole et Gaz - Offshore sous-marin
About the project
Located in the Norwegian Sea, the Ormen Lange gas field produces about 70 million cubic meters of gas a day that is piped to the onshore Nyhamna processing plant. It is then purified and transported to the UK through one of the world’s longest subsea pipelines, which covers about 1,200 km.
The OneSubsea multiphase compression system is an innovative technology developed to boost the gas pressure. OneSubsea and its Subsea Integration Alliance partner Subsea 7 are supplying and installing two 16-megawatt (MW) subsea compression stations tied into existing manifolds and pipelines at a water depth of 850 meters. The system will be powered and controlled from the Nyhamna onshore gas processing plant, located 120 km away from the subsea location.
Nexans will design, manufacture and supply of two 120-km power umbilicals for a subsea multiphase compression system. The system will help extend the production life of the Ormen Lange field, Norway’s second-largest gas field that currently supplies 20 percent of the UK’s gas needs.
Nexans is delivering the power umbilicals that will integrate all the 52-kV electrical power, hydraulic and fiber optic elements required to power and control the compressor station.
The power umbilicals will be manufactured in Nexans factory in Halden, Norway, and installed in 2023 by CLV Nexans Aurora, the new Nexans cable-laying vessel.
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