Resistivity: Induction Devices

  • Darwin V. Ellis
  • Julian M. Singer

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.


Geometric Factor Skin Effect Electrode Tool Receiver Coil Transmitter Coil 
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Supplementary material

978-1-4020-4602-5_7_MOESM7_ESM.pdf (1.4 mb)
Supplementry material (PDF 2565 kb)

Copyright information

© Springer Science+Business Media B.V 2007

Authors and Affiliations

  • Darwin V. Ellis
    • 1
  • Julian M. Singer
    • 2
  1. 1.Schlumberger-Doll ResearchRidgefieldUSA
  2. 2.RichmondUK

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