An Efficient Solution for the Response of Electrical Well Logging Tools in a Complex Environment

Weng Cho Chew; Zaiping Nie; Qing Huo Liu; Barbara Anderson

doi:10.1109/36.73673

An Efficient Solution for the Response of Electrical Well Logging Tools in a Complex Environment

Weng Cho Chew, Zaiping Nie, Qing Huo Liu, Barbara Anderson

Research output: Contribution to journal › Article › peer-review

Abstract

An efficient method for computing the response of some electrical logging tools in a complex environment is presented. This complex environment consists of multiple geological beds with a borehole and invaded zones. The method uses local reflection and transmission operators of a single-bed boundary and a general recursive algorithm to derive generalized reflection and transmission operators. Using this method, the computation time scales linearly as N, where N is the number of beds in the environment. Hence the method is much more efficient than the finite-element method for solving the same problem. Furthermore, the solution is presented in a symmetric form so that reciprocity can be readily verified.

Original language	English (US)
Pages (from-to)	308-313
Number of pages	6
Journal	IEEE Transactions on Geoscience and Remote Sensing
Volume	29
Issue number	2
DOIs	https://doi.org/10.1109/36.73673
State	Published - Mar 1991
Externally published	Yes

ASJC Scopus subject areas

Electrical and Electronic Engineering
Earth and Planetary Sciences(all)

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10.1109/36.73673

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AB - An efficient method for computing the response of some electrical logging tools in a complex environment is presented. This complex environment consists of multiple geological beds with a borehole and invaded zones. The method uses local reflection and transmission operators of a single-bed boundary and a general recursive algorithm to derive generalized reflection and transmission operators. Using this method, the computation time scales linearly as N, where N is the number of beds in the environment. Hence the method is much more efficient than the finite-element method for solving the same problem. Furthermore, the solution is presented in a symmetric form so that reciprocity can be readily verified.

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An Efficient Solution for the Response of Electrical Well Logging Tools in a Complex Environment

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