Argaud, M., Giouse, H., Straley, C., Tomanic, J., andWinkler, K., 1989: “Salinity and saturation effects on shaly sandstone conductivity” (SPE paper 19577)
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The Effects of Macropores in Heterogeneous Porosity Systems on Electrical Resistivity Behavior
Authors: Wisup Bae a; Wonmo Sung b; Sunjun Kim b;Euichan Jeon a
Affiliations: a Department of Earth and Environmental Science, Sejong University, Seoul, Korea
b Department of Geoenvironmental System Engineering, Hanyang University Seoul, Korea, Seoul, Korea
DOI: 10.1080/00908310600651927
Publication Frequency: 20 issues per year
Published in: Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, Volume 28, Issue 9 July 2006 , pages 793 - 806
Subjects: Alternative & Renewable Energy Industries; Environmental Engineering; Gas Industries; Petroleum & Oil Industries;
Formats available: HTML (English) : PDF (English)
Previously published as: Energy Sources (0090-8312, 1521-0510) until January 2006
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Abstract
To better understand the petrophysical properties, such as electrical resistivity behavior, capillary pressures and displacement behavior, of hydrocarbon bearing carbonate rocks with a macropore system, a porous plate capillary desaturation cell was built. Lucia's carbonate classification was selected to be used in this research. Electrical end effects were minimized by utilizing a four-electrode system. An oil/ water system and a gas/ water system have been studied.
The effects of vugularity on the petrophysical properties were evident from the experiments. For a constant porosity, as vugularity increases, cementation exponent (m) and saturation exponent (n) increase systematically. The irreducible water saturation, the capillary pressure curves and the displacement behaviors are also substantially different from homogeneous sandstone experiments.
Keywords: capillary pressure; displacement behavior; electric resistivity; macropore; petrophysical properties
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Отправлено: 12.04.10 13:35. Заголовок: (на память) Хорошо бы раздобыть пару статей
