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Jacket node inspection, Norway

Inspection of critical main welds of jacket structures required due to lifetime extension of the platform.

Project details

  • Development of inspection robot.
  • Full scale testing at Dora Subsea Test Center.
  • Inspection by Alternating Current Field Measurement.
  • Vertical Access Tool used to position the robot.
  • 20 off main welds inspected at different locations.
  • Results from inspection used in structural analysis, and platform is approved for lifetime extension.
  • No use of divers, ROV or support vessels.