Subsea Structures

In Brief

We supply engineering and the fabrication of subsea structures, piping systems and associated equipment for subsea production systems.

We have an experienced staff whose expertise in detail design, fabrication and testing plays a vital role in meeting our customers’ needs. The construction of customised units in compliance with both industry standards and our customers’ requirements is one of our strengths.

Jotne personnel have extensive experience in the delivery of complex, multi-disciplinary projects. These projects have covered the following fields; engineering studies, feed engineering, detail engineering, production, construction, testing, commissioning and follow-up activities.

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OUR ENGINEERING AND
FABRICATION EXPERTISE

  • Project management (management, planning, HSE, QA and documentation)

  • Early services / studies

  • Structural / mechanical design

  • Structure/fatigue analysis

  • Flow/Thermal/Transient response analysis

  • Riser analysis

  • Seabed modelling

  • Technical purchasing

  • Machining/welding, production and assembly

  • Testing and commissioning

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EPC DELIVERABLES

  • Subsea structures (manifolds/PLEM/PLET/TEES/riser bases)

  • Pipelines/riser equipment

  • Wiring systems and tools

  • Pig launchers and receivers

  • Miscellaneous tools

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Certifications

  • Certifications

Jotne, Grenseveien 107

Phone
+47 23 17 16 00
Email
post@jotne.no 
Post
P.O.Box 6629 Etterstad NO-0607 Oslo