Example of a seismic record with surface waves and their dispersion curve in a frequency-velocity diagram. S-wave velocity model with depth.
Diagram of an electrical tomography device with the corresponding distribution of current and potential lines in the subsoil.
Model of electrical resistivity of the subsoil in an electrical tomography.
Simple diagram of how electromagnetic induction works:
- Hp, primary magnetic field.
- Hs, secondary magnetic field.
Diagram of the arrangement of measuring instruments with the AMT technique.
Electrical resistivity model resulting from the processing of AMT data.
Example of geophysical evidence from a borehole with lithological interpretation based on measurements of natural gamma radiation, P-wave velocity and electrical conductivity of the formation. Temperature and fluid conductivity logs with temperature gradient are included.