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Borehole Geophysical Surveys / +44 (0)1939 210 710

Magnetic Susceptibility Tool

This is a two or three coil sonde designed to measure apparent formation magnetic susceptibility. The three coils system sonde allows for measurements in a wide range of formations.

The dual spacing allows borehole and formation fluid properties to be investigated.


  • Size:
    1.2m x 45mm
  • Weight:
  • Apparent Susceptibility Range:
    10-5 – 0.5 S.I. Units
  • Resolution:
    1 Count
  • Transmitter Coil Frequency:

Logging Conditions

  • 2 – 4 m/min
  • Free running

Borehole Conditions

  • Minimum diameter 50mm
  • Dry or fluid filled
  • Unlined or plastic lined
Formation evaluation using Acoustic Imager and Magnetic Susceptibility