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Last Week, The Largest And Longest Pipeline In Norway, Installed By The Ship Saipem Castorone, Arrived At The Johan Sverdrup Field Operated By Equinor In The North Sea.
Equinor reported on Monday that at the end of last week, the last pipe of what is now the largest and longest pipeline in Norway was installed right next to the riser platform at the Johan Sverdrup field. The 36-inch pipeline extends 283 km from the Mongstad oil terminal near Bergen to the giant field in the North Sea.
“Along with our supplier, Saipem was able to install the pipeline to Johan Sverdrup without any serious incidents. It was a significant operation, involving over 600 people, who welded more than 23,000 pipes to create what has now become the largest and longest pipeline in Norway,” says Geir Bjaanes, head of submarines, energy and pipelines Project Johan Sverdrup.
“The pipeline plays a central role in the project. When the Johan Sverdrup field reaches peak production, 660,000 barrels of oil, valued at over 350 million Norwegian kroner a day, will flow daily to Mongstad,” says Bjaanes.
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The Saipem Castorone vessel began pipelaying operations at Mongstad at the end of April this year. After that, the pipeline was laid through the Fensfjord before the vessel set course for the Johan Sverdrup field.
Next Stage
With the pipeline installed, the Saipem Castorone is preparing for the next step – the installation of the 156 km pipeline that will extend from the Johan Sverdrup field to the Statpipe pipeline, from where gas from the field will be transported to Kårstø. The installation operations are expected to be completed during the autumn.
“We have spent many years with Saipem planning these operations. We are all very aware of the size of the task, with several months at sea involving a significant installation scope. The key is to follow the detailed plans we have prepared and to maintain our significant focus on HSE along the way until the pipeline is operational,” says Tor Kåre Egelandsdal, responsible for the pipeline installation and the contract with Saipem.
When the pipeline operations are completed, the 2018 Johan Sverdrup installation campaign will conclude.
With three jackets, two topsides, one bridge, over 400 km of pipes, and 200 km of power cables, the 2018 campaign is likely the busiest installation campaign ever for a project on the Norwegian continental shelf. And in 2019, the last two remaining topsides and bridges will be implemented before the start of the first phase of Johan Sverdrup development expected in November of next year.
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