1887

Abstract

Electric Jogging techniques have been widely used to investigate resistivity structure along a borehole. Since they use only in-hole electrodes, common electric logs provide no information about the inclination or the orientation of resistivity structure. In addition, the investigation depth is usually limited. Although electrical cross-hole imaging techniques have been recently developed (e.g., Shima,1990), they require complex analyses and much calculation time . I propose a new technique that provides an electric reflectivity image near a borehole. In the measurement, the vertical component of the electric field generated by a surface electrode is measured by three borehole electrodes.

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/content/papers/10.3997/2214-4609.201410524
1992-06-01
2020-10-23
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.201410524
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