Experimental Study on Expansion Characteristics of Core-Shell and Polymeric Microspheres
Traditional polymeric microsphere has several technical advantages in enhancing oil recovery. Nevertheless, its performance in some field application is unsatisfactory due to limited blockage strength. Since the last decade, novel core-shell microsphere has been developed as the next-generation prof...
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| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2018-01-01
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| Series: | Journal of Nanotechnology |
| Online Access: | http://dx.doi.org/10.1155/2018/7602982 |
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| author | Pengxiang Diwu Baoyi Jiang Jirui Hou Zhenjiang You Jia Wang Liangliang Sun Ye Ju Yunbao Zhang Tongjing Liu |
| author_facet | Pengxiang Diwu Baoyi Jiang Jirui Hou Zhenjiang You Jia Wang Liangliang Sun Ye Ju Yunbao Zhang Tongjing Liu |
| author_sort | Pengxiang Diwu |
| collection | DOAJ |
| description | Traditional polymeric microsphere has several technical advantages in enhancing oil recovery. Nevertheless, its performance in some field application is unsatisfactory due to limited blockage strength. Since the last decade, novel core-shell microsphere has been developed as the next-generation profile control agent. To understand the expansion characteristic differences between these two types of microspheres, we conduct size measurement experiments on the polymeric and core-shell microspheres, respectively. The experimental results show two main differences between them. First, the core-shell microsphere exhibits a unimodal distribution, compared to multimodal distribution of the polymeric microsphere. Second, the average diameter of the core-shell microsphere increases faster than that of the polymeric microsphere in the early stage of swelling, that is, 0–3 days. These two main differences both result from the electrostatic attraction between core-shell microspheres with different hydration degrees. Based on the experimental results, the core-shell microsphere is suitable for injection in the early stage to block the near-wellbore zone, and the polymeric microsphere is suitable for subsequent injection to block the formation away from the well. A simple mathematical model is proposed for size evolution of the polymeric and core-shell microspheres. |
| format | Article |
| id | doaj-art-bcece96412ff4ae1b675b5c8ce15a19e |
| institution | Kabale University |
| issn | 1687-9503 1687-9511 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Nanotechnology |
| spelling | doaj-art-bcece96412ff4ae1b675b5c8ce15a19e2025-02-03T05:54:28ZengWileyJournal of Nanotechnology1687-95031687-95112018-01-01201810.1155/2018/76029827602982Experimental Study on Expansion Characteristics of Core-Shell and Polymeric MicrospheresPengxiang Diwu0Baoyi Jiang1Jirui Hou2Zhenjiang You3Jia Wang4Liangliang Sun5Ye Ju6Yunbao Zhang7Tongjing Liu8Enhanced Oil Recovery Institute, China University of Petroleum, Beijing 102249, ChinaChina Huadian Institute of Science and Technology, Beijing 102249, ChinaEnhanced Oil Recovery Institute, China University of Petroleum, Beijing 102249, ChinaAustralian School of Petroleum, The University of Adelaide, Adelaide, SA 5005, AustraliaEnhanced Oil Recovery Institute, China University of Petroleum, Beijing 102249, ChinaEnhanced Oil Recovery Institute, China University of Petroleum, Beijing 102249, ChinaChina Oilfield Services Limited, Tianjin 300452, ChinaCNOOC China Limited, Tianjin Branch, Tianjin 300452, ChinaEnhanced Oil Recovery Institute, China University of Petroleum, Beijing 102249, ChinaTraditional polymeric microsphere has several technical advantages in enhancing oil recovery. Nevertheless, its performance in some field application is unsatisfactory due to limited blockage strength. Since the last decade, novel core-shell microsphere has been developed as the next-generation profile control agent. To understand the expansion characteristic differences between these two types of microspheres, we conduct size measurement experiments on the polymeric and core-shell microspheres, respectively. The experimental results show two main differences between them. First, the core-shell microsphere exhibits a unimodal distribution, compared to multimodal distribution of the polymeric microsphere. Second, the average diameter of the core-shell microsphere increases faster than that of the polymeric microsphere in the early stage of swelling, that is, 0–3 days. These two main differences both result from the electrostatic attraction between core-shell microspheres with different hydration degrees. Based on the experimental results, the core-shell microsphere is suitable for injection in the early stage to block the near-wellbore zone, and the polymeric microsphere is suitable for subsequent injection to block the formation away from the well. A simple mathematical model is proposed for size evolution of the polymeric and core-shell microspheres.http://dx.doi.org/10.1155/2018/7602982 |
| spellingShingle | Pengxiang Diwu Baoyi Jiang Jirui Hou Zhenjiang You Jia Wang Liangliang Sun Ye Ju Yunbao Zhang Tongjing Liu Experimental Study on Expansion Characteristics of Core-Shell and Polymeric Microspheres Journal of Nanotechnology |
| title | Experimental Study on Expansion Characteristics of Core-Shell and Polymeric Microspheres |
| title_full | Experimental Study on Expansion Characteristics of Core-Shell and Polymeric Microspheres |
| title_fullStr | Experimental Study on Expansion Characteristics of Core-Shell and Polymeric Microspheres |
| title_full_unstemmed | Experimental Study on Expansion Characteristics of Core-Shell and Polymeric Microspheres |
| title_short | Experimental Study on Expansion Characteristics of Core-Shell and Polymeric Microspheres |
| title_sort | experimental study on expansion characteristics of core shell and polymeric microspheres |
| url | http://dx.doi.org/10.1155/2018/7602982 |
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