Translations:Dictionary:AB electrodes/1/en

{{#category_index:A|AB electrodes}} The current electrodes in resistivity surveying and well logging. Current is passed between the A and B electrodes and voltage is measured between the M and N electrodes. See Figures A-18, A-19, and E-10. At least one of the electrodes is usually at the surface.

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  FIG. A-18. Colinear arrays used in resistivity surveying. The equation for the apparent resistivity ρ_a is given for each array.

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  FIG. A-19. Dipole-dipole arrays used in resistivity and IP exploration.

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  FIG. E-10. Electric-log configurations. (a) Normal log; (b) lateral log.