Borehole Logging Geophysics and Inspection

Geotechnical Services

Borehole geophysical logging methods have been for Geotechnical investigations. Reliable and consistent data from wireline borehole logging provides an important understanding of rock strength and the presence of fractures that is essential for the location and positioning of new build construction and its foundations.

Characterize Geologic and Hydrologic Conditions

  • ELOG Combination Gamma, SP, SPR, 16-64-inch normal resistivity tool
  • Spectral Gamma Ray
  • DEN, Density porosity calculated from in-situ compensated density
  • BMR, Borehole Magnetic Resonance for hydrogeologic properties (porosity, specific yield, hydraulic conductivity)
  •  NEU, Neutron
  • Fluid temperature and conductivity


Support Geotechnical/Civil Engineering Investigations


  • 3-arm caliper
  • Natural Gamma
  • FWS, Sonic porosity
  • BMR, Borehole Magnetic Resonance for hydrogeologic properties (porosity, specific yield, hydraulic conductivity)


Map and Characterize Subsurface Infrastructure


  • Natural Gamma
  • FWS, Sonic porosity
  • DEN, Density porosity calculated from in-situ compensated density

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Subsurface Characterization Disposal Areas


  •  BMR, Borehole Magnetic Resonance for hydrogeologic properties (porosity, specific yield, hydraulic conductivity)
  • NEU, Neutron
  • High Resolution Acoustic televiewer
  • High Resolution Optical televiewer


Surface Equipment


  • 1000m/2000m Winch
  • The standard unit for truck-mounted operations in deep boreholes, the 2000m

            winch includes an integral depth wheel and an automatic level wind