Resistivity: Induction Devices
The presence of a conductive mud in the borehole is somewhat of a nuisance for electrode devices, aswas illustrated in the last chapter. Many improvements have been made in electrode tool design to compensate for the problems. However, conductive borehole mud does provide one advantage: it effectively places the current and voltage measurement electrodes into electrical contact with the formation whose resistivity is to be measured.
KeywordsPermeability Porosity Anisotropy Attenuation Hydrocarbon
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