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Vol 200
Pages:
104
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RUS

Difference in galvanic and inductive methods' results, new examples for DIP and BIEP

Authors:
V. A. Shevnin1
A. A. Bobachev2
I. N. Modin3
T. V. Yalov4
About authors
  • 1 — Moscow State University
  • 2 — Moscow State University
  • 3 — Moscow State University
  • 4 — Moscow State University
Date submitted:
2012-07-29
Date accepted:
2012-09-15
Date published:
2013-04-16

Abstract

Difference in apparent resistivity values determined  in  galvanic and inductive  electrical and electromagnetic methods depends on macroanisotropy of layered cross-section and decreased penetration depth of galvanic methods without changing penetration depth of inductive methods. Joint influence of these two factors in case of high contrast of layers' resistivities results in difference in several tens of apparent resistivity values.

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References

  1. Ваньян Л.Л. Основы электромагнитных зондирований. М., 1965. 108 с.
  2. Каринский А.Д. Влияние электрической анизотропии горных пород на электромагнитное поле в скважине: Автореф. дис. … д-ра физ.-мат. наук / МГРИ. М., 2008. 32 с.
  3. Электропрофилирование с незаземленными рабочими линиями / Сост. А.С.Нахабцев, Б.Г.Сапожников, А.И.Яблучанский. Л., 1985. 96 с.
  4. McNeil J.D. Technical Note TN-6. Electromag- netic terrain conductivity measurement at low induction numbers / Geonics Ltd. 1980. 13 p.

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