Zobrazeno 1 - 10 of 12 pro vyhledávání: '"Nikita Seleznev"'
3
Low frequency complex dielectric (conductivity) response of dilute clay suspensions: Modeling and experiments
Autor: Denise E. Freed, Ling Feng, Chang-Yu Hou, Nikita Seleznev
Publikováno v: Journal of Colloid and Interface Science. 525:62-75
In this work, we establish an effective medium model to describe the low-frequency complex dielectric (conductivity) dispersion of dilute clay suspensions. We use previously obtained low-frequency polarization coefficients for a charged oblate sphero
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::63fba6cf595887fa7133062f90c975a4
https://doi.org/10.1016/j.jcis.2018.04.048
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4
Comparison of different dielectric models to calculate water saturation and estimate textural parameters in partially saturated cores
Autor: Chang-Yu Hou, Lalitha Venkataramanan, Nikita Seleznev, Kamilla Fellah, David Ramsdell, Vasileios-Marios Gkortsas
Publikováno v: GEOPHYSICS. 83:E303-E318
Accurate estimation of water saturation is central in predicting capillary pressure and relative permeability, under special core analysis in the laboratory. We have explored the use of dielectric measurements at different frequencies to estimate wat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf9bbea1fa5d949317a7713aea2b4cb1
https://doi.org/10.1190/geo2018-0100.1
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5
Complex conductivity of tight sandstones
Autor: Nikita Seleznev, A. Coperey, Yaping Deng, Adrian Cerepi, André Revil
Publikováno v: Geophysics
Geophysics, Society of Exploration Geophysicists, 2017, 83 (2), pp.E55-E74. ⟨10.1190/GEO2017-0096.1⟩
Geophysics, 2017, 83 (2), pp.E55-E74. ⟨10.1190/GEO2017-0096.1⟩
Induced polarization well logging can be used to characterize sedimentary formations and their petrophysical properties of interest. That said, nothing is really known regarding the complex conductivity of low-porosity sedimentary rocks. To fill this
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::809d24be166a15a6cb0ec3e5280ceb8b
https://doi.org/10.1190/geo2017-0096.1
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8
Relationships between induced polarization relaxation time and hydraulic properties of sandstone
Autor: K. Titov, Nikita Seleznev, Austin Boyd, Yuri Ilyin, Andrey Tarasov
Publikováno v: Geophysical Journal International. 180:1095-1106
SUMMARY We investigated electrical and physical–chemical properties of six sandstone samples with contrasting mineralogical characteristics and with hydraulic conductivity varying in a wide range. The electrical data were obtained from time domain
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ac87d889961fe3a816f5e2f358c50f7
https://doi.org/10.1111/j.1365-246x.2009.04465.x
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9
Matrix Permittivity Measurements for Rock Powders
Autor: John Phillips, Siti Najmi Farhan Zulkipli, Nikita Seleznev, Kamilla Fellah, Bastien Fournie
Publikováno v: All Days.
Summary Formation water content is one of the key petrophysical quantities provided by dielectric logging. However, to determine water content from formation permittivity measurements, the rock matrix permittivity must be known. Uncertainty in the ro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e82759f75d26df030ecbd4358935a542
https://doi.org/10.2118/170896-ms
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