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Radar Tomography

This method consists of the use of a specialized set of borehole antennae in adjacent boreholes, one transmitter and one receiver. This technique can be employed to obtain a 2-D section showing the changes in the electromagnetic propagation speed between two boreholes using the same software as for seismic tomography. The technique is very efficient and has an exceptional resolution.

Applications:

• Trace stratigraphic changes between boreholes
• Identify faults and shear zones in bedrock
• Identify presence of voids in karst formations
• Porosity / saturation estimates of geological formations or earth dams