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CASE STUDIES


Repair on ths submerged part of a pipeline


Madagascar
Fort Dauphin


Detailed description of the operations carried out

SEANERGY OI team conducted the following steps:

  • Pipeline Inspection
  • Cleaning the pipe around the leak
  • Removing the sleeve in place
  • Installation of a repair sleeve
  • Installation of chains connected to the existing  deadmen for preventing  the movements causing the leak
  • Pipe testing after repair

Description of main tools/resources mobilized

  • 3 hookah diving equipments
  • Diving support vessel
  • Hyperbaric chamber

Duration

Multiple interventions between 2011 and 2013

Team

1 shore site manager, 3 class 2 mention A divers

Specific environment-related requirements

Intervention to be performed quickly to ensure rapid restoration
of the pipeline operation.

Results

Successful result of operation. 1 day schedule for each intervention was met.