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新型微凝胶深部调驱体系研究进展
引用本文:伍嘉,蒲万芬,董钟骏,贾虎,李俊中,杜洋. 新型微凝胶深部调驱体系研究进展[J]. 石油钻探技术, 2012, 40(3): 107-111. DOI: 10.3969/j.issn.1001-0890.2012.03.022
作者姓名:伍嘉  蒲万芬  董钟骏  贾虎  李俊中  杜洋
作者单位:1.油气藏地质及开发工程国家重点实验室(西南石油大学), 四川成都 610500;
摘    要:微凝胶是一种微米级颗粒溶液或分散凝胶溶液,主要用于油藏深部调驱,具有控水和驱油双重功能。微凝胶主要依靠微米级颗粒吸水膨胀封堵地层孔喉,而且当一定数量的颗粒在喉道处堆积时,可产生封堵,使水完全绕流,实现逐级深部调驱。在调研国外微凝胶深部调驱体系研究现状的基础上,介绍了微米级微凝胶宏观形态及内部高度交联结构、受热膨胀性能以及在孔喉中的逐级封堵机理,分析了温度、盐等因素对微凝胶膨胀性能的影响,最后研究了在多孔介质中的运移及其对油藏的适应性,证实微凝胶是一项具有良好应用效果和应用前景的调驱技术。 

关 键 词:微凝胶   深部调驱   提高采收率
收稿时间:2011-07-15

Advances of the New Deep Oil Displacement and Profile Control Agent Micro-Gel
Wu Jia , Pu Wanfen , Dong Zhongjun , Jia Hu , Li Junzhong , Du Yang. Advances of the New Deep Oil Displacement and Profile Control Agent Micro-Gel[J]. Petroleum Drilling Techniques, 2012, 40(3): 107-111. DOI: 10.3969/j.issn.1001-0890.2012.03.022
Authors:Wu Jia    Pu Wanfen    Dong Zhongjun    Jia Hu    Li Junzhong    Du Yang
Affiliation:1.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation(Southwest Petroleum University), Chengdu, Sichuan, 610500, China;2.Chuanxi Drilling Company of Chuanqing Drilling Engineering Company Limited, CNPC, Chengdu, Sichuan, 610051, C
Abstract:Micro-gel is a micron-grade particle solution or dispersion gel solution,mainly used in deep oil reservoir profile control,having the dual function of water control and oil displacement.It mainly relies on the micron particles swelling to block the pore throat,in addition,when the number of particles is accumulated in the throat,the resulted block can make water flow around completely and thus achieve its deep profiling effect step by step.Through extensive literature research,the paper focused on an overview of research on the micro-gel deep profile control system abroad,summed up the macroshape and the internal cross bonding structure of micro-gel,summarized the expansion properties under heating conditions and the mechanism of plugging of micro-gel,analyzed the impact of salinity and temperature on its expansion property.Its immigration in porous media and adaptation to oil reservoir have been studied,and the result shows the micro-gel is effective and promising in profile control.
Keywords:micro-gel  deep profile control  enhanced oil recovery
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