Resistivity Training

Sounding resistivity

Principles of electrical methods:

  • relation between resistivity and geological formations
  • principle of Schlumberger 1D sounding

Operation of SYSCAL resistivitymeters:

  • quality control, stacking process
  • field measurements on test site: handling of wires, electrodes, role of ground resistance, safety rules.

Interpretation of electrical sounding

  • principle of equivalence
  • use of 1D inversion software for depth interpretation
  • examples of applications in various geological areas

Maintenance of equipment:

  • trouble detection, first level repair of SYSCAL units

Imaging resistivity

Principles of electrical methods:

  • relation between resistivity and geological formations
  • principle of 2D & 3D multi-electrode measurements
  • resistivity monitoring (4D measurements)

Operation of SYSCAL resistivitymeters:

  • sequence creation with ELECTRE II, III, Pro software
  • quality control, stacking process
  • use of PROSYS software for data display & filtering
  • field measurements on test site: handling of wires, electrodes, role of ground resistance, safety rules

Interpretation of resistivity images:

  • use of 2D/3D inversion for depth interpretation
  • examples of applications in various geological areas

Maintenance of equipment:

  • trouble detection, first level repair of SYSCAL units

Inducted polarisation

Principles of induced polarization methods:     

  • relation between chargeability & geological formation
  • main electrode arrays for IP measurements

Operation of VIP or Tipix transmitters & ELREC receivers:

  • specifications of the motor generator for the VIP
  • control of output power, voltage & transmitted current
  • safety rules for the operator and the field crew
  • synchronisation of the ELREC receiver, quality control through the stacking process and the standard deviation

Interpretation of resistivity & IP sections:

  • examples of applications in various geological contexts
  • use of 2D inversion software for depth interpretation of resistivity and chargeability anomalies

Maintenance of equipment:

  •  trouble detection, first level repair of VIP or Tipix transmitters and ELREC receivers