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N. N. Nevedrova
N. N. Nevedrova
Trofimuk Institute of Petroleum Geology and Geophysics SB of the RAS
Trofimuk Institute of Petroleum Geology and Geophysics SB of the RAS
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Articles

Application of up-to-date electric exploration technologies in mineral deposits prospecting
  • Date submitted
    2016-10-13
  • Date published
    2015-02-01

Potential of river electrical exploration in oil regions of the siberian platform (the Lena river area, Krivolukskaya area)

The profile line of geophysical exploration lies along the fairway of the Lena River. A complex of transient electromagnetic soundings (TES) and a common deep point (CDP) method has been used for the exploration. A complete geoelectrical section of sedimentary deposits and the properties of the basic geoelectrical layer have been estimated using TES. In the sedimentary deposits productive layer zones with increased and decreased electrical resistance have been studied. The results of both geoelectrical and seismic analyses prove that the use of both of these methods is very promising.

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N. N. Nevedrova, A. M. Sanchaa, S. M. Babushkin, D. V. Krechetov (2015) Potential of river electrical exploration in oil regions of the siberian platform (the Lena river area, Krivolukskaya area). Journal of Mining Institute. Vol 212. p. 113.
Application of the modern electric exploratory technologies in prospecting of mineral deposits
  • Date submitted
    2016-11-10
  • Date published
    2013-01-01

Transient electromagnetic soundings application for oil and gas investigation in Western Siberia

Transient electromagnetic soundings with a controllable source (TEM) have been tested at performance of prospecting works for hydrocarbons in Western Siberia. During researches high resolution, depth of investigation, locality of research of TEM has been revealed at rather small sizes of installation (it is less than depth of investigated object). As a result of interpretation of TEM field data the map of depths to productive horizon (bajenov formation) on which it is allocated low-amplitude an anticlinal raising is constructed. On the basis of geological interpretation this raising is recognised by perspective on  hydrocarbons.

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N. N. Nevedrova, A. M. Sanchaa (2013) Transient electromagnetic soundings application for oil and gas investigation in Western Siberia. Journal of Mining Institute. Vol 200. p. 71.
Application of the modern geophysical technologies for prospecting and exploration of mineral deposits
  • Date submitted
    2016-11-25
  • Date published
    2011-06-01

Resalts of regular transient electromagnetic soundings in the westen part of chuya depression in Gornyy Altai

The paper presents some results obtained by transient electromagnetic (TEM) sounding. The measurements were performed in the epicenter part of Chuya earthquake of 2003, which occurred in the nearest mountain frame of Chuya tectonic depression in Gornyy Altai. Regular survey have been continued for 6 years. Electrical prospecting data obtained at the late of the 20th century on  the territory of the Chuya depression were analyzed. Field investigation carried out on the territory of this depression in 1980, 2004-2006 allows time history of electrical parameter changes to be traced after great seismic event in this region.

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N. N. Nevedrova, A. M. Sanchaa, S. M. Babushkin (2011) Resalts of regular transient electromagnetic soundings in the westen part of chuya depression in Gornyy Altai. Journal of Mining Institute. Vol 194. p. 191.
Geophysics
  • Date submitted
    2016-12-30
  • Date published
    2009-04-01

Geoelectrical investigation of promising oil and gas bearing areas in the south part of Siberian plat-form

The investigations were carried out in Eastern Siberia on the Ust-Orda national region territory using the groups of methods on direct and alternating current. Multicomponent registration of electrical and electromagnetic parameters has been used. Field data interpretation stage included adaptation of software for a concrete experimental data, substantiation of interpretational models formation methods and the analysis of all a priori information. As a result, quantitative estimations of thickness and geoelectrical parameters of geological complexes were obtained. Moreover, complex tectonic structures were allocated and the most promising areas for detailed works were chosen. 

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N. N. Nevedrova, M. I. Epov, A. M. Sanchaa, S. M. Babushkin (2009) Geoelectrical investigation of promising oil and gas bearing areas in the south part of Siberian plat-form. Journal of Mining Institute. Vol 183. p. 260.