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。

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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。

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