| 纳米流体对储层润湿性反转提高石油采收率研究进展 |
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| 引用本文： | 李原,狄勤丰,华帅,张景楠,叶峰,王文昌.纳米流体对储层润湿性反转提高石油采收率研究进展[J].化工进展,2019,38(8):3612-3620. |
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| 作者姓名： | 李原 狄勤丰 华帅 张景楠 叶峰 王文昌 |
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| 作者单位： | 上海大学上海市应用数学和力学研究所,上海200072;上海市力学在能源工程中的应用重点实验室,上海200072;上海大学上海市应用数学和力学研究所,上海200072;上海市力学在能源工程中的应用重点实验室,上海200072;上海大学上海市应用数学和力学研究所,上海200072;上海市力学在能源工程中的应用重点实验室,上海200072;上海大学上海市应用数学和力学研究所,上海200072;上海市力学在能源工程中的应用重点实验室,上海200072;上海大学上海市应用数学和力学研究所,上海200072;上海市力学在能源工程中的应用重点实验室,上海200072;上海大学上海市应用数学和力学研究所,上海200072;上海市力学在能源工程中的应用重点实验室,上海200072 |
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| 基金项目： | 国家自然科学基金(50874071);国家自然科学基金青年基金(51804193);上海市重点学科建设项目(S30106);中国石油科技创新基金(2017D-5007-0209) |
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| 摘 要： | 储层岩石的润湿性对于石油采收率至关重要，近年来纳米流体润湿反转技术在提高石油采收率方面的应用得到了广泛关注，并取得了一系列成果。本文首先介绍了利用纳米流体对储层润湿性反转在提高石油采收率方面的应用，包括提高水驱效率和降压增注，其次归纳了润湿性变化的实验评价方法并分析影响纳米流体润湿反转效果的因素，表明纳米材料性质（类型、尺寸、浓度）和地层环境（温度、矿化度）均有不同程度的影响。然后阐述了纳米流体改变储层润湿性的机制，认为其包含纳米流体润湿铺展和纳米颗粒岩石壁面吸附的双重机制。最后指出运用此技术存在的问题和难点，并对以后的研究方向进行了展望。
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| 关 键 词： | 纳米流体 提高采收率 润湿性反转 润湿铺展 吸附 |
| 收稿时间： | 2018-11-19 |
Research progress of reservoirs wettability alteration by using nanofluids for enhancing oil recovery |
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| Yuan LI,Qinfeng DI,Shuai HUA,Jingnan ZHANG,Feng YE,Wenchang WANG.Research progress of reservoirs wettability alteration by using nanofluids for enhancing oil recovery[J].Chemical Industry and Engineering Progress,2019,38(8):3612-3620. |
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| Authors: | Yuan LI Qinfeng DI Shuai HUA Jingnan ZHANG Feng YE Wenchang WANG |
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| Affiliation: | 1. Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, China
2. Shanghai Key Laboratory of Mechanics in Energy Engineering, Shanghai 200072, China |
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| Abstract: | The wettability of reservoir rock is very important for oil recovery. In recent years, the application of nanofluids wettability alteration technology in improving oil recovery has received extensive attention and achieved a series of results. This paper first introduced the application of nanofluids in reservoirs wettability alteration, including improving water flooding efficiency and reducing water injection pressure in tight reservoirs. Secondly, the experimental evaluation methods of wettability change were summarized and the factors affecting the wettability alteration of nanofluids were analyzed. The results demonstrated that the nanomaterials properties (type, size, concentration) and formation conditions (temperature, salinity) had different influences on wettability alteration. Then the mechanism of nanofluids changing the wettability of reservoirs was analyzed. We considered it had double mechanism which were nanofluids wetting and spreading as well as adsorption of nanoparticles on rocks. Finally we pointed out the problems and difficulties in using this technology. Future research directions of nanofluids application in EOR were also prospected . |
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| Keywords: | nanofluids enhanced oil recovery (eor) wettability alteration wetting and spreading adsorption |
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