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Effect of water salinity and rock components on wettability alteration during low-salinity water flooding in carbonate rocks

Effect of water salinity and rock components on wettability alteration during low-salinity water... In this paper, contact angle measurements using crude oil, five carbonate rocks, and six brines were conducted to study the effect of water salinity and rock components on wettability alteration. The results showed that lowering water salinity results in wettability alteration of carbonate surfaces to more water-wet. And there exists an optimal salinity at which the maximum wettability alteration occurs. In addition, the optimal salinity tends to increase as the content of dolomite in the rock decreases gradually. When low-salinity water is kept the same, the lower dolomite content in the carbonate rock, the more water-wet the rock will tend to be. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Arabian Journal of Geosciences Springer Journals

Effect of water salinity and rock components on wettability alteration during low-salinity water flooding in carbonate rocks

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References (12)

Publisher
Springer Journals
Copyright
Copyright © 2018 by Saudi Society for Geosciences
Subject
Earth Sciences; Earth Sciences, general
ISSN
1866-7511
eISSN
1866-7538
DOI
10.1007/s12517-018-3611-6
Publisher site
See Article on Publisher Site

Abstract

In this paper, contact angle measurements using crude oil, five carbonate rocks, and six brines were conducted to study the effect of water salinity and rock components on wettability alteration. The results showed that lowering water salinity results in wettability alteration of carbonate surfaces to more water-wet. And there exists an optimal salinity at which the maximum wettability alteration occurs. In addition, the optimal salinity tends to increase as the content of dolomite in the rock decreases gradually. When low-salinity water is kept the same, the lower dolomite content in the carbonate rock, the more water-wet the rock will tend to be.

Journal

Arabian Journal of GeosciencesSpringer Journals

Published: May 30, 2018

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