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Type: Journal article
Title: Effects of kaolinite in rocks on fines migration
Author: Russell, T.
Pham, D.
Neishaboor, M.
Badalyan, A.
Behr, A.
Genolet, L.
Kowollik, P.
Zeinijahromi, A.
Bedrikovetsky, P.
Citation: Journal of Natural Gas Science and Engineering, 2017; 45:243-255
Publisher: Elsevier
Issue Date: 2017
ISSN: 1875-5100
Statement of
Thomas Russell, Duy Pham, Mahdi Tavakkoli Neishaboor, Alexander Badalyan, Aron Behr, Luis Genolet, Patrick Kowollik, Abbas Zeinijahromi, Pavel Bedrikovetsky
Abstract: A laboratory study has been undertaken on the effect of permeability variation during low-salinity water injection as a function of kaolinite content in the rock. A novel methodology of preparing artificial sand-packs with a given kaolinite fraction has been established. Sequential injections of aqueous solutions in order of decreasing salinity were performed in six sand-packs with different kaolinite fractions varying from 0 to 10 wt percents. The permeability declined by a factor of 9-54 during salinity alteration from typical seawater conditions to deionized water. A new phenomenon of permeability increase during injection of high salinity water into low kaolinite content rocks has been observed. The phenomenon is explained by re-attachment of the mobilised fines at high salinities. As a result of the low-salinity water floods, only 0.2-1.6% of the initial kaolinite fraction was recovered.
Keywords: Fines migration; formation damage; permeability; laboratory study; particle detachment; porous media
Rights: © 2017 Elsevier B.V. All rights reserved.
RMID: 0030071567
DOI: 10.1016/j.jngse.2017.05.020
Appears in Collections:Australian School of Petroleum publications

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