Diving Services

Our diving division encompasses the amalgamated Allied Diving Services and Territory Diving Services and our US subsidiary, US Underwater Services. We are geographically equipped to offer commercial diving and a range of inspection, repair and maintenance services to coastal and offshore clients throughout Australia and  the United States.

Commercial Diving

Project Experience
  • Diving services for the Gibson South Plateau pipeline project
  • Diving services for the Stirling Dam improvement and refurbishment
  • Diving services for the Mundaring weir upgrade including the drilling of concrete core samples from the 100 year old wall
  • Emergency response services for the Work Azimuth Thruster in the JDPA
  • In-water survey MODU during drilling program in the Timor Sea
  • Construction and debris removal from thermic lance (Broco) on Darwin
  • Post cyclone survey and flow line reconnection in the Timor Sea

Our diving division provides a complete range of commercial diving services to clients in major offshore and onshore industries including the oil and gas, shipping and defence and marine infrastructure sectors. We are accredited by the major international class societies (Lloyds Register, Det Norske Veritas, Bureau Veritas, ABS and Germanischer Lloyd) and approved to perform subsea surveys and a range of other diving services on classed vessels and offshore assets.

Using state of the art diving equipment, our diver’s are experienced in a wide range of diving applications and have the ability to perform diving and ROV services to the highest standard. We have over 50 years experience in the diving industry and have achieved an excellent performance record for delivering commercial diving, ROV and project management services in a time and cost effective manner. Our range of diving services includes:

    Commercial diving company diver
  • In-water survey and inspection
  • Civil construction
  • Marine salvage
  • Environmental surveys
  • Aquatic pest inspection
  • Search and recovery
  • Emergency response


Inspection, Repair & Maintenance

Project Experience
  • FPSO DSPM maintenance program on the NW shelf
  • MODU inspection and maintenance for SONGA offshore
  • FPSO maintenance program and ICA replacements in the Timor Sea
  • UWILD on the NW Shelf
  • Well head platform maintenance in the JDPA
  • FSO maintenance program in the Timor Sea
  • 21” gas pipeline field joint repairs in Darwin
  • Repairs to ballast lines on the offshore drilling rig Ocean Epoch
  • Jabiru/Challis class survey, inspection, anode replacement and valve replacement
  • Ashmoore reef mooring inspection
  • Support rock dumping vessel LNG pipeline inc reports & seabed surveys
  • Replace 1km section of 60kv power cable
  • Pipeline repair involving clamp procurement & installation engineering for Apache

Neptune Marine offers a compilation of quality subsea and surface inspection, repair and maintenance (IRM) techniques to clients. Our IRM services are designed to maximise the value of a client’s assets and minimise downtime in order to obtain the highest possible return from investment. Our team of highly trained divers are proficient in performing various underwater IRM services and our multi-disciplinary team of engineers and welders are highly trained in carrying out various forms of NDT, magnetic particle/mechanical inspections and surface repairs and maintenance to pipelines, platforms and other structural components.

We have been granted approval by all the major international class societies, including Lloyds Register, American Bureau of Shipping, Det Norske Veritas, Bureau Veritas and Germanischer Lloyd to conduct in-water surveys and repairs on classed vessels and offshore assets.

IRM services offered by Neptune Marine Services include:

Inspection Services

  • Full range of NDT inspections
  • Video inspections & underwater photography
  • Magnetic particle and mechanical inspection
  • Grounding & collision damage reporting
  • Rope Access & Diver NDT technicians

Repair Services

  • Underwater dry welding (NEPSYS)
  • Underwater wet welding & other repair techniques
  • Class approved permanent hull insert plate and repair solutions
  • Anode replacement
  • In-situ and live pipe repair solutions

Maintenance Services

  • Underwater painting (NEPSYS)
  • Underwater cutting
  • Hull cleaning
  • Propeller polishing
  • Underwater coatings & adhesives
  • Surface treatment (cement lining, hot-dip galvanising)