Effect of Water Fraction on Rheological Properties of Waxy Crude Oil Emulsions

This article discusses the effect of water fraction on the rheological properties of waxy crude oil emulsions including gel point, yield stress, viscosity, and thixotropy. The experimental results reveal that the rheological behaviors of the w/o emulsion samples all intensify with the increase of wa...

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Bibliographic Details
Published in:Journal of dispersion science and technology 2014-08, Vol.35 (8), p.1114-1125
Main Authors: Li, Si, Huang, Qiyu, He, Man, Wang, Wenda
Format: Article
Language:English
Subjects:
Chemistry
Colloidal state and disperse state
Correlation
Crude oil
Dispersions
Emulsions
Emulsions. Microemulsions. Foams
Exact sciences and technology
Fractions
Gel point
General and physical chemistry
Rheological properties
Rheology
thixotropic behaviors
Viscosity
Volume fraction
waxy crude oil emulsion
Yield stress
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Summary:This article discusses the effect of water fraction on the rheological properties of waxy crude oil emulsions including gel point, yield stress, viscosity, and thixotropy. The experimental results reveal that the rheological behaviors of the w/o emulsion samples all intensify with the increase of water volume fraction within 60%. Of more significance is that a correlation for w/o emulsions between yield stress and water volume fraction is put forward with an average relative error of 6.75%. In addition, some mainstream viscosity prediction models of w/o emulsions are evaluated, and Elgibaly model is the best-fit for the emulsions in this study.
ISSN:0193-2691
1532-2351
DOI:10.1080/01932691.2013.833482