Underwater works

Our commercial divers are highly qualified for offshore oil and gas operations and inshore,
in lakes, rivers, wells, harbours, dams, down to more than 200 meters, by either air or mixed
gas diving methods ; for deeper water operations, we use R.O.V.s. (Remote Operated Vehicules).
Since the company was created, we have specialised in oil and gas operations, flooded gallery
diving, dams and ports.

Underwater work contracts

  • oil and gas underwater maintenance
  • inspection and Non Destructive Testing
  • bathymetry
  • ROV inspection
  • urgent intervention
  • survey, research
  • safety assistance
  • water impounding
  • dredging, pumping and sediment treatment
  • maintenance of immersed structure (dams,
    ports, wells, foundations...)
  • laying and burying of pipes and cables
  • deep diving with mixed gas
  • saturation diving to depth: -200 m
  • underwater cutting and dismantling
  • cleaning
  • jetting
  • welding
  • lifting


Download the application sheet (pdf)

Oil & Gas

  • underwater inspection
  • Non Destructive Testing
  • buoys and similar underwater maintenance
  • repair of pipes and risers
  • saturation diving depth to - 200 m
  • installation of caissons
  • connection of pipes and cables
  • cleaning
  • jetting
  • welding
  • cutting
  • lifting

Non Destructive Testing

  • visual, photography & video inspection
  • ROV’s inspection
  • magnetic particle testing
  • ultrasonic testing
  • corrosion monitoring and control
  • gamma ray testing
  • technicians
    (COFREND & ASNT certified)


Download the application sheet (pdf)

Cathodic protection

  • dimensional studying
  • detailed inspection
  • thickness control
  • potential measuring
  • expertise, reporting
  • recommandation
  • cleaning
  • setting up of sacrificial anodes
  • welding
  • control and survey
  • maintenance


Download the application sheet (pdf)

Civil engineering works

  • inspection
  • Non Destructive Testing
  • cleaning
  • sandblasting
  • finishing off
  • pointing
  • reinforcement (anchoring, concrete grouting, shotcreting)
  • building
  • dismantling


Download the application sheet (pdf)

Foundation consolidation

  • inspection
  • bathymetry
  • cleaning, dredging
  • levelling
  • laying and reparation of gabions
  • sheet piles driving
  • concreting
  • anchoring
  • grouting


Download the application sheet (pdf)

Underwater structures

  • wharf and foundation
  • maintenance
  • pointing
  • grouting
  • concrete rehabilitation
  • anchoring
  • strengthening
  • dam and hydraulic work
  • cleaning, mud pumping
  • waterproofing
  • grid refurbishing
  • steelplate rehabilitation
  • core drilling
  • cable sawing
  • oxycutting
  • welding
  • lifting, rigging


Download the application sheet (pdf)

Cutting and dismantling

  • wreck survey
  • technical studies calculation and engineering of wreck removal
  • salvage, refloating and lifting of wrecks
  • oxy-arc cutting
  • cable sawing of concrete/steel structure
  • dismantling of structure


Download the application sheet (pdf)

Dredging, pumping and sediment treatment

  • pool draining & cleaning
  • evacuation and transport of sediments
  • dredging of flooded gallery
  • silt removal
  • water intake cleaning


Download the application sheet (pdf)