Journal
ADVANCES IN COLLOID AND INTERFACE SCIENCE
Volume 299, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.cis.2021.102527
Keywords
Microemulsion; Influence factors; Improved oil recovery (IOR); Field tests
Categories
Funding
- National Natural Science Foundation of China [51774309]
- Key Research and Development Plan of Shandong Province [2019GGX102074]
- Fundamental Research Funds for the Central Universities [20CX06093A]
- National Postdoctoral Program for Innovative Talents [BX20200386]
- Graduate School Innovation program of China University of Petroleum [YCX2019018]
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This article primarily introduces the application of microemulsion in the petroleum industry, including its concept, preparation methods, and use in improving oil recovery. In addition, the challenges and prospects of microemulsion in this field are analyzed.
Microemulsion, because of its excellent interfacial tension reduction and solubilization properties, has wide range of applications in the petroleum industry, especially in improved oil recovery (IOR). Herein, the concept, types and formation mechanism of microemulsion were primarily introduced. Then, the preparation and char-acterization methods were illustrated. Additionally, several effect factors were elaborated specifically based on the composition of microemulsion. Finally, the application of microemulsion in IOR was addressed, including IOR mechanism analysis based on sweep efficiency and displacement efficiency, injection method (micro -emulsion flooding, in-situ microemulsion formation) and field tests. Furthermore, the current challenges and prospects of microemulsion on IOR were analyzed.
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