Resistivity modeling
ELECTRODE ARRAYS Pole – pole Pole - dipole Dipole - dipole Wenner Schlumberger ELECTRODE ARRAYS
Data plotting
CHOICE OF THE “BEST” ARRAY Depends on: type of structure to be mapped sensitivity of the resistivity meter background noise level Things to be considered: depth of investigation sensitivity of the array to vertical and horizontal structures horizontal data coverage signal strength.
SURVEY SETUP
3-D MESH
Block model
Wenner Pole-pole Dipole - dipole Pole-dipole Block model response
Pole-pole array sensitivity
Pole-dipole array sensitivity
Dipole-dipole array sensitivity
Wenner array sensitivity
Schlumberger array sensitivity
Near Surface Layer
Near Surface Layer – Response, Plan View
Near Surface Layer – Response, Pseudosection
Vertical Contact
Vertical Contact - Response, Plain View
Vertical Contact – Response, Pseudosection
Buried Vertical Contact
Buried Vertical Contact – Response, Plan View
Buried Vertical Contact – Response, Pseudosection
Vertical Contact with Overburden
Vertical Contact with Overburden – Response, Plan View
Vertical Contact with Overburden – Response, Pseudosection
3D Prism
3D Prism – Response, Plan View
3D Prism – Response, Pseudosection