Overhaul, Repair & Maintenance

Providing specialist support contracting services with innovative methods and technical expertise enables HSOG to offer turnkey solutions for all rig repair, maintenance and upgrade projects.

Our teams aim to maximise clients’ return and avoid unplanned downtime by using strategically positioned MODU Service Hubs (MSH), providing offshore assets with the opportunity to be repaired and serviced in close proximity to their operating field, minimising downtime, mitigating risk exposure and operational costs.


HSOG can offer the following:


Construction Services


HSOG provides multi skilled construction teams which cover all aspects of construction services and can be integrated with our access solutions to enable our personnel to get to difficult areas. Included within our construction department are capabilities to carry out derrick / mast outfitting and refurbishment and crane boom repair / replacement. Our construction solutions include the following extensive disciplines:

  • Welding & Fabrication
  • Technical Rigging & Lifting
  • Pipe Fitting
  • Steel Erecting
  • Electrical Engineering
  • Outfit
  • Drydocking Services
  • Technical Services

Fabric Maintenance


Our fabric maintenance department specializes in all aspects of coatings removal and applications including industrial cleaning and confined space entry. We work closely with our alliances to continually develop coatings removal and applications systems with the integration of bespoke encapsulation systems to protect the environment and surrounding assets while carrying out coating repairs.