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Major Upgrades and Repair


Through the various portfolio companies, Joulon brings together a vast experience in all areas of ship, drilling rigs and production asset repairs and conversions, from repainting to full mechanical servicing – including engine overhaul and reconditioning, in-situ machining, propeller servicing and renewal. We offer outfitting – soft furnishings, accommodation modules, refrigeration, HVAC, insulation, galley and stainless steel design, manufacturing and installation.



We have major  experience with FPSO and FSO  conversions.

  • Involved in the pioneer projects when FPSOs and FSOs were still in experimental stages in the 1980s
  • Key inputs to the development of safe use of dual fuel for boilers and the safe and practical application and installation
  • Involved in more than 45% of the world’s FPSOs, from conversions to new builds
  • Currently 90 FPSO’s in operation globally – Harris Pye has been involved with over 40 of them

Through all stages of conversion, from conception to final commissioning, our highly experienced and dedicated contract engineering teams obtain relevant approval, provide all design work, calculations, fabrication, installation and commissioning.

We ensure that all stages of programming and works undertaken are subject to, and comply with, the latest Class, USCG and Quality Assurance regulations and are guaranteed accordingly.

All aspects of conversions are covered, including but not limited to: remedial boiler works, installation of multi-fuel system burners and all associated service lines – especially gas and crude oil supply systems, all mechanical, control, electrical and automation aspects are covered to complete conversions on a turnkey basis.

On station repairs and inspections can be carried out during production, saving precious resources – time and money.


  • Engine overhaul
  • In situ machining
  • Propeller service
  • Other mechanical services
  • Outfitting/Accommodation
  • Galley and stainless steel design
  • Galley and stainless steel manufacturing
  • Galley and stainless steel installations
  • Boiler repairs, service, surveys, testing
  • Boiler troubleshooting and repair
  • Riding squads and yard services
  • Instrumentation and control
  • Ballast water treatment
  • Exhaust gas scrubbing
  • Low sulphur technology
  • Electrical switchgear
  • Deck boilers
  • Pipework