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Rheological characteristics of unstable heavy crude oil-water dispersed mixtures
Zhang J(张健); Chen XP(陈小平); Xu JY(许晶禹)
Corresponding AuthorXu, Jing-yu(xujingyu@imech.ac.cn)
Source PublicationJOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
2019-11-01
Volume182Pages:7
ISSN0920-4105
AbstractThe rheological characteristics of unstable heavy crude oil-water dispersed mixtures were investigated to improve pipeline transportation. The viscosity of heavy crude oil is 5439 mPa s, and density is 955 kg/m(3) at 30 degrees C. A series of factors, including oil volume fraction, shear rate, and temperature, was considered systematically to investigate the phenomenon of phase inversion and stability of oil-water mixtures. The results show that the apparent viscosity of a heavy crude oil-water mixture reaches its maximum value at the phase inversion point, and that the non-Newtonian fluid characteristics of unstable heavy crude oil-water mixtures are different than those of fine emulsions or light oil-water mixtures. The addition of emulsifier influences the apparent viscosity and phase inversion point by changing the droplet size distribution. Furthermore, the apparent viscosity of a heavy crude oil-water mixture continues to increase as the median diameter of the dispersed phase decreases. All these are beneficial to the analysis of the rheological characteristics of heavy crude oil-water dispersed mixtures.
KeywordHeavy crude oil Unstable mixtures Apparent viscosity Oil-water mixture
DOI10.1016/j.petrol.2019.106299
Indexed BySCI ; EI
Language英语
WOS IDWOS:000483927500086
WOS KeywordVISCOSITY PREDICTION ; STABILITY ; EMULSIONS ; BEHAVIOR ; FLOW ; INVERSION
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Petroleum
Funding ProjectNational Natural Science Foundation of China[51509235] ; Strategic Priority Research Program of the Chinese Academy of Science[XDB22030101]
Funding OrganizationNational Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Science
Ranking1
ContributorXu JY(许晶禹)
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/79254
Collection流固耦合系统力学重点实验室
Corresponding AuthorXu JY(许晶禹)
Affiliation1.中国科学院力学研究所
2.中国科学院大学
3.上海交通大学
Recommended Citation
GB/T 7714
Zhang J,Chen XP,Xu JY. Rheological characteristics of unstable heavy crude oil-water dispersed mixtures[J]. JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING,2019,182:7.
APA Zhang J,Chen XP,&Xu JY.(2019).Rheological characteristics of unstable heavy crude oil-water dispersed mixtures.JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING,182,7.
MLA Zhang J,et al."Rheological characteristics of unstable heavy crude oil-water dispersed mixtures".JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING 182(2019):7.
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