HIGH INTERNAL PHASE HEAVY OIL WATER-OIL EMULSION RHEOLOGY 

doi:10.3863/j.issn.1000-2634.2007.02.033

西南石油大学学报(自然科学版) ›› 2007, Vol. 29 ›› Issue (2): 122-124.DOI: 10.3863/j.issn.1000-2634.2007.02.033

• 油气化学工程与化工 • Previous Articles Next Articles

HIGH INTERNAL PHASE HEAVY OIL WATER-OIL EMULSION RHEOLOGY 

MENG Jiang ¹ XIANG Yang ¹ WEI Xiao-lin ² et al.

(Energy Sources Institute of Chengdu University of Technology, State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation，Chengdu Sichuan 610059，China)

Received:2006-12-20 Revised:1900-01-01 Online:2007-04-20 Published:2007-04-20
Contact: MENG Jiang

Abstract

Abstract:

The high internal phase W/O emulsion formed in heavy oil tremendously influences the production. The research indicates that W/O emulsion rheological property can be descriped by power law pattern. It has the shearthinning nature. there is the index relation between viscosity and temperature . as the increase of internal phase volume concentration, the viscosity of the emulsion reaches a maximum. The internal phase volume concentration corresponding the maximum of the emulsion viscosity is the transforming phase volume concentration. When the internal phase volume concentration is smaller than the transforming phase volume concentration, the increase of the internal phase volume concentration, the viscosity of the emulsion rises. When the internal phase volume concentration is greater than the transforming phase volume concentration, as the increase of the internal phase volume concentration, the viscosity of the emulsion decreases. After the internal phase volume concentration is greater than the transforming phase volume concentration, the emulsion will be changed to the O/W type from W/O type. As the increase of the internal phase volume concentration and the shear rate and the temperature rising, emulsion stability declines. The high internal phase W/O emulsion is of certain characteristics of viscolelastic fluid.

Key words: rheological property, high internal phase, emulsion, heavy oil, viscosity

CLC Number:

TE312

MENG Jiang XIANG Yang WEI Xiao-lin et al.. HIGH INTERNAL PHASE HEAVY OIL WATER-OIL EMULSION RHEOLOGY [J]. 西南石油大学学报(自然科学版), 2007, 29(2): 122-124.

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HIGH INTERNAL PHASE HEAVY OIL WATER-OIL EMULSION RHEOLOGY 

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