Offshore services

Geotechnical, geophysical and hydrographic surveys

  • Comprehensive geological and engineering surveys of the seabed together with offshore geotechnical laboratory testing.
  • Determination of soil strength parameters for technical expertise prior to the construction of platforms, turbines, hydrotechnical structures, and the installation of linear facilities and anchors.
  • Locating, inspecting and inventorying the routing of pipelines, cables and navigational obstacles.
  • Soil sampling, geochemical testing and identification of contamination.
  • Inspection of underwater structures with ROV.
  • Navigational support during towing operations and safeguarding of offshore operations.
  • Geological and engineering drilling (ARB25-18, Geobor S).
  • Measurement of geotechnical parameters (WISON APB, ROSON).
  • Sediment sampling using a Van Veen grab.
  • Bathymetry – multibeam echosounder (RESON SeaBat 7101, T-50S).
  • Sonar surveys of seabed cleanliness (EdgeTech 4200).
  • Seismo-acoustic profiling (Boomer, Sparker, SBP Edge Tech).
  • Positioning – DGPS-RTK Trimble, Easytrak Nexus, GAPS M7, Ranger2.