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Ship Repair and Conversion



  • Steel, piping, equipment, electrical, joiner additions & renewals
  • Turnkey Project management
  • Dyrdocking
  • Ballast Water Treatment Systems installation
  • Large modular fabrication and outfitted assemblies
  • Vessel Re-purposing conversions
    • OSV/PSV to Fishing Trawler
    • Cruise Ship to hospital/retirement community
    • OSV to Subsea support
    • Drillship to FPSO
    • Mid-life re-fit
    • Barge to Wind Farm support/installation vessel with jacking system
    • Barge to lashing bridge
  • Piping replacement, install, repair, engineering design
    • Dredge Piping
    • Stainless steel piping
    • Copper nickle
    • 4130 Allow (Chrome Molly)
    • High strength piping
    • Fiberglass
    • Laser scanning
  • Upgrading and jumboisation
  • Refurbishment and reactivation
  • Ship Systems modification and installation
  • Ship machinery repairs
  • SPS’s
  • Annual Surveys
  • Thruster work
  • Emergency, quick turnaround repairs


ST Engineering Halter Marine and Offshore offers our customers a full range of service to include design, procurement, planning, project management, construction work, and logistics support for virtually any size project. Whether the work is accomplished at our modernized shipyard or offshore / offsite, the effort is coordinated and planned with the same dedication and attention to detail to ensure that the project is executed efficiently and on time.

ship repair


  • Oil rig conversion to rocket launch and recovery platform
  • Barge conversion to rocket recovery platform
  • Jackup rig conversion to LNG Processing plant
  • Jackup rig conversion to offshore wind / carbon capture vessel