Rheology of oil in water emulsions with added kaolinite clay
- Alberta Univ., Edmonton, AB (Canada). Dept. of Chemical Engineering
This paper deals with the rhelogical measurements of oil in water emulsions with added kaolinite clay. The percent oil concentration, solids-free basis, was varied up to 70% by volume. The volume fraction of clay was varied up to 0.2 based on the total volume. The clay/emulsion mixtures displayed shear thinning behavior. Yield stress was observed, and its value increased with clay volume fraction and with oil concentration. The shear stress versus shear rate data could be fitted by the Casson model for low oil concentrations (below 40%) and by the Herschel-Bulkley model for higher oil concentrations. On the basis of the experimental data, a correlation was developed to evaluate the relative viscosity of the clay/emulsion mixtures, where the relative viscosity was defined as the ratio of the viscosity of clay/emulsion mixtures to that of emulsions alone. A viscosity equation was also developed for calculating the viscosity of clay/emulsion mixtures.
- OSTI ID:
- 7024309
- Journal Information:
- Industrial and Engineering Chemistry Research; (United States), Journal Name: Industrial and Engineering Chemistry Research; (United States) Vol. 30:8; ISSN IECRE; ISSN 0888-5885
- Country of Publication:
- United States
- Language:
- English
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023000* -- Petroleum-- Properties & Composition
ALUMINIUM COMPOUNDS
ALUMINIUM SILICATES
CHEMICAL REACTION YIELD
COLLOIDS
DISPERSIONS
DRILLING FLUIDS
EMULSIONS
ENERGY SOURCES
ENHANCED RECOVERY
FLUID INJECTION PROCESSES
FLUIDS
FOSSIL FUELS
FUELS
HYDROGEN COMPOUNDS
KAOLINITE
MINERALS
OIL WELLS
OXYGEN COMPOUNDS
PETROLEUM
RHEOLOGY
SILICATE MINERALS
SILICATES
SILICON COMPOUNDS
VISCOSITY
WATER
WELLS
YIELDS