Pole –pole Pole -dipole
Dipole -dipole
Wenner Schlumberger
ELECTRODE ARRAYS
Data plotting
CHOICE OF THE “BEST” ARRAY
Depends on:
1)type of structure to be mapped
2)sensitivity of the resistivity meter
3)background noise level
Things to be considered:
1)depth of investigation
2)sensitivity of the array to vertical and horizontal structures
3)horizontal data coverage
4)signal strength.
SURVEY SETUP
3-D MESH
Block model
Block model response
Wenner
Pole-pole
Dipole -dipole
Pole-dipole
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