One-dimensional homogeneous model based on the gas-liquid two-phase flow theory was established.
基于气液两相流理论，建立了垂直上升管内液氮气液两相流动的一维均相流模型；
Based on the theory of two-phase flow pattern of gas and liquid, gas cut change can be detected with acoustic wave after gas flowing into wellbore.
基于气体侵入井眼后按气液两相流型分布的原理，利用声波可以早期检测到气侵。
Based on the theory of gas-liquid two-phase flow, the wellbore pressure distribution problems were analyzed in the aerated drilling.
以气液两相流理论为基础，分析了充气钻井的井筒压力分布问题。
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