Emulsion rheology and flow through unconsolidated synthetic porous media
The flow behavoir of emulsions through tubes as well as unconsolidated synthetic porous media is described analytically and verified experimentally. A correlation technique was developed for the unconsolidated porous medium by coupling the rheological properties of the emulsions, determined from classical viscometric experiments, with the results from porous medium experiments, utilizing the hydraulic-radius concept and the Blake-Kozeny-Carmen equation. Rheological characterization was conducted with a set of 6 capillary reheometers and particle size and particle-size distribution were determined using a Model B Industrial Coulter Counter. Fluid slippage at the capillary walls was nonexistent, and the rheological characteristics were found to be independent of capillary dimensions. The theoretical model for the unconsolidated porous medium was tested by comparing the experimental and predicted friction factor-Reynolds number relationship. With 40 experimental points, errors in friction factors were found to be 14.6% and 17.4% for the 60 and 70% emulsion qualities, respectively. (50 refs.)
- Research Organization:
- Stanford Univ
- OSTI ID:
- 5377431
- Report Number(s):
- CONF-701012-
- Journal Information:
- Soc. Pet. Eng. AIME, Pap.; (United States), Journal Name: Soc. Pet. Eng. AIME, Pap.; (United States) Vol. SPE-3004; ISSN SEAPA
- Country of Publication:
- United States
- Language:
- English
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ACCURACY
CAPILLARY FLOW
COLLOIDS
CORRELATIONS
DARCY LAW
DISPERSIONS
EMULSIONS
EQUATIONS
FLUID FLOW
FLUID MECHANICS
FRICTION FACTOR
MATERIALS
MATHEMATICS
MECHANICS
MIXTURES
POROUS MATERIALS
REYNOLDS NUMBER
RHEOLOGY
VISCOSITY