Electrical borehole logging

Electric borehole logging techniques measure the electric resistance of the formations in the borehole, achieved by applying an electric current through the formation and measuring the resulting electrical resistance.

Electric Log electrical borehole logging probe
Electric Log

The classic water-well combination probe combining shallow, medium and deep penetrating resistivity measurements with Self-Potential (SP).

Induced Polarisation electrical borehole logging probe
Induced Polarisation

The Induced Polarisation probe measures the charge separation or ‘chargeability’ in porous, water-saturated, mineralised rocks caused by the passage of a low-frequency alternating current.

Focussed Electric guardlog electrical borehole logging probe
Focussed Electric (Guardlog)

The focussed resistivity (LL3) measurement provides excellent vertical resolution and a reasonable depth of investigation.

Magnetic Susceptibility electrical borehole logging probe
Magnetic Susceptibility

The Magnetic Susceptibility probe is based on the industry-standard Bartington Instruments™ product.

Microresistivity electrical borehole logging probe
Microresistivity

The Microresistivity probe provides a focussed pad resistivity measurement with high vertical resolution combined with a caliper and natural gamma.

Microresistivity electrical borehole logging probe
Dual Focussed Induction

The Dual Focussed Induction probe provides two simultaneous conductivity logs, corresponding to “medium” and “deep” radii of investigation into the formation.

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More Information

Click on the thumbnail image below to see the comprehensive portfolio of Geophysical Borehole Logging Probes as a downloadable Slim hole Probe Catalogue
Slimhole Probe
Catalogue