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本文介绍了碱水驱油机理的微观研究结果。在微观物理模型上,系统地研究了在碱水驱油的整个过程中多孔介质内形成的乳状液的类型及其流动特性,观察研究了不同条件下原油的乳化、流动状态和油墙的形成,并用显微电影和摄影作了记录。在微观研究的基础上,对于碱水驱油的机理及其控制因素,给出了更确切的阐述。
This paper presents the results of a microscopic study of the mechanism of alkali water flooding. On the micro-physical model, the types and flow characteristics of emulsions formed in porous media during the whole process of alkali-water flooding were systematically studied. The emulsification and flow conditions of crude oil and the formation of oil wall under different conditions were observed and studied , And recorded with micro-film and photography. On the basis of micro-studies, a more precise exposition is given on the mechanism of alkali-water flooding and its controlling factors.