Umbilicals

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2H Offshore has an extensive track record in global dynamic analysis and cross-section verification of umbilicals for both shallow water and deepwater applications. A full understanding of umbilical dynamics and their in-service response is essential to confirm the suitability of a selected umbilical design for a specific application, and can also help optimize field subsea layouts, allowing for improved umbilical configurations and installation strategies to be adopted.

The types of umbilical analyses conducted by 2H include extreme load, wave fatigue and VIV response assessments, as well as definition of installation envelopes and clearance assessments with adjacent risers, mooring lines or other structures. Our services cover conceptual design, through to full detailed engineering, and include working closely with umbilical manufacturers to optimize umbilical designs for maximum operability and fatigue resistance in dynamic and transition regions

2H was responsible for the detailed design of the Kissanje East umbilical for ExxonMobil’s Kizomba development and the main and hardwired communications umbilicals for the Kizomba Satellites field. We have considerable analysis experience for a range of umbilical configurations, diameters and cross sections in the Gulf of Mexico, West Africa and offshore Brazil. Some other examples of our experience include:

  • Marathon Ozona umbilical design and analysis
  • Chevron Kuito replacement umbilical
  • Shell Perdido umbilical
  • Anadarko Green Canyon 518 umbilical analysis
  • Conoco Heidrun umbilical lay analysis