Effects of Bed Thickness and Shoulder Resistivity on Array Induction Tools

Jian Hua Zhang

doi:10.4028/www.scientific.net/AMM.687-691.1105

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 687-691Effects of Bed Thickness and Shoulder Resistivity...

Effects of Bed Thickness and Shoulder Resistivity on Array Induction Tools

Abstract:

Array induction tools can be used to measure the resistivities of thin beds with 1ft or 2ft thickness in theory. The measurements were affected by formation thickness and shoulder resistivity.The array of 1ft resolution has good vertical recognition ability. For thick beds, both 1ft and 2ft resolution matching data tent to the same and all apparent resistivities have less variation with bed thickness H. The influence of shoulder resistivity on AIT measurements decreased with the increasing of formation thickness. The greater is the difference between shoulder resistivity and formation resistivity, the poorer is the vertical resolution.

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Periodical:

Applied Mechanics and Materials (Volumes 687-691)

Pages:

1105-1108

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.687-691.1105

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Online since:

November 2014

Authors:

Jian Hua Zhang

Keywords:

Array Induction Tool, Bed, Resistivity, Shoulder

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