2017 Fiscal Year Final Research Report
Viscosity enhancement of CO2 by rod-like reversed micelles for enhanced oil recovery
| Project/Area Number |
26289345
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Earth system and resources engineering
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| Research Institution | Hirosaki University |
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Principal Investigator |
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| Project Period (FY) |
2014-04-01 – 2018-03-31
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| Keywords | 原油増進回収 / 逆ミセル / 粘度 / 棒状会合体 / 二酸化炭素 |
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| Outline of Final Research Achievements |
To increase sweep efficiency in enhanced oil recovery using carbon dioxide, this study aimed to develop rod-like reverse micelles as a CO2-viscosifer. As the results, the fluorocarbon-hydrocarbon hybrid surfactant FC6-HC5 was found to form reverse micelles enable to increase CO2 viscosity by three times. On the other hand, mixtures of CO2-philic polymers and fluorocarbon hydrocarbon hybrid compounds having no headgroup were screened to find a rod-like aggregates CO2-viscosifer active even at high salinity and water content conditions of oil fields. It could develop a CO2-viscosifer independent of salinity and water content, enable to thicken CO2 by two times. These molecular assemblies were identified as one of the most efficient and effective CO2-viscosifers in earlier studies.
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| Free Research Field |
界面化学、超臨界流体工学
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