Aibel is to carry out modifications to the Kristin semisubmersible platform, in the Norwegian Sea, as part of a project to connect it to the new Polarled pipeline.
The contract, worth about NOK200 million, was awarded as a part of the framework agreement Aibel has with Statoil on maintenance and modifications to Kristin.
Image: The Kristin semisubmersible platform in the Norwegian Sea. Credit:Marit Hommedal/Statoil.
Polarled is a 480km gas pipeline that will stretch from the Aasta Hansteen field in the Norwegian Sea and Nyhamna in Møre og Romsdal. A 30km branch pipeline will extend from Polarled to Kristin. This will connect Polarled to the Åsgård transport and existing infrastructure.
Aibel will carry out the required modifications to the platform so that it may export to both pipelines.
This includes a new fiscal measurement station with accompanying platform for the gas to be exported to Polarled. The pigging system and the system for control and monitoring of valves on the seabed will also be modified. In addition there is the process safety for all systems linked to the gas export.
Most of the installation work will be completed in 2015, with about 100 Aibel staff on land and offshore involved.
The final installation work is planned for during a shutdown in 2016. In the autumn of the same year Kristin will export gas via Polarled.
“This is a major M&M contract, and a very exciting project for our Kristin organisation in Stjørdal,” says Aibel's director for Statoil M&M, Trond Vaage.
“Aibel has held the contract for maintenance and modifications to Kristin for the past three years. The complexity of the projects we are awarded is increasing, and in turn this contributes to further develop our organisation."
The Kristin gas and condensate field came on stream on November 3, 2005. The field has been developed with 12 production wells in four subsea templates, tied back to a semisubmersible production platform.
Daily production capacity from the field is 125,000 barrels of condensate and just over 18MM cu m rich gas.
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