Investigation of Effects of Large Dielectric Constants on Triaxial Induction Logs


The dielectric effect is receiving increasing interest in the study of resistivity logging. Several recent findings have proven that the dielectric effect can cause negative imaginary signals on the array induction logging. However, very few researches discuss the dielectric effect on the triaxial induction logging which is a novel technology in solving anisotropy problem. In this paper, we investigate the effect of large dielectric constants on a basic triaxial induction tool in a 1-D homogenous earth formation. The simulation model is derived from Maxwell equation and calculated by wave number integration. Sufficient simulations have been done. We performed an asymptotic analysis of the dielectric effect within the low-freq limit, yielding interesting observations on the dielectric effect with respect to frequency, spacing, and anisotropy. Those findings provide important and useful guidance for researchers to study on the dielectric effect on the triaxial induction logging.

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Z. Zhang, B. Yu and C. Liu, "Investigation of Effects of Large Dielectric Constants on Triaxial Induction Logs," Applied Mathematics, Vol. 3 No. 11A, 2012, pp. 1811-1817. doi: 10.4236/am.2012.331246.

Conflicts of Interest

The authors declare no conflicts of interest.


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