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论述了深井气举采油的工作特点，阐述了气液两相管流研究对气举井设计和运行的重要作用，从研究方法上综述了国内外铅直气液两相管流的研究现状，分析了铅直气液两相流研究中尚存在的不足以及应用上的局限性，指出应加强铅直气液两相管流基础应用研究，提出适合我国的空隙率、混合液密度、压力梯度相关式。还针对气液两相流动特点和流动型态的多样性，提出应采用模糊数学方法来研究气液两相流的流动型态，以得到合理而科学的气液两相流分类公式和方法。
The characteristics of gas lift in deep well gas lift are discussed. The important role of gas-liquid two-phase flow control in the design and operation of gas lift shaft is expounded. The research status of vertical gas-liquid two- Analyzed the shortcomings and limitations in the study of vertical gas-liquid two-phase flow, pointed out that the application of vertical gas-liquid two-phase flow pipe should be strengthened and the suitable porosity, liquid density, pressure gradient Related In view of the characteristics of gas-liquid two-phase flow and the diversity of flow patterns, the fuzzy mathematical method should be used to study the flow pattern of gas-liquid two-phase flow to get a reasonable and scientific gas-liquid two-phase flow classification formula and method.