Influence of carbonate impurities on smartwater effect: Evaluation of wettability alteration process by geochemical simulation
Journal of Molecular Liquids（2021）
Abstract
•Equilibrium of carbonate impurities contributed to carbonate/brine than oil/brine.•Brine with SO42- results in higher water-wet condition compared to other solutions.•The measured adhesion force is inversely related to calculated disjoining pressure.•An increase of –COOH/–NH ratio shows more water-wet state.
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Key words
Triple-layer surface complexation model,Zeta potential,Smartwater,Carbonate impurities,Disjoining pressure,Adhesion force
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