injected gas breakthrough 注入气突破
free-gas breakthrough 游离气突破
premature gas breakthrough 过早见气
gas breakthrough saturation [油气] 气窜饱和度
prevention of gas breakthrough 防气窜
breakthrough of gas 气体突破
By experiments in laboratory, it is mainly study on oxygen contents in produced gas at the time of gas breakthrough, the blocking ability of air- foam and the factors which influence the efficiency of air-foam flooding.
通过室内实验,主要对气体突破时氧含量、空气泡沫封堵能力和空气泡沫驱油效果及影响因素进行了研究。
参考来源 - 空气泡沫驱油机理及影响因素研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Finally, the mechanism of enhanced foam system on the control gas breakthrough has being studied and discussed.
本文最后对强化泡沫体系控制气窜的机理进行了研究与探讨。
It has proved that this novel system is of good effect for shallow gas zone in well-cementing and gas breakthrough has been effectively controlled.
现场初步试验证明，该套水泥浆体系对于浅层气固井具有较好的效果，有效地控制了气窜现象的发生。
Prepositive polymer slug displacement can decrease the effect by the formation heterogeneity, prevent the gas breakthrough and improve the displacement sweep efficiency of the injective gas.
对于地层非均质性的影响，通过注入聚合物段塞调驱，能起到防止气窜，增加注入气驱扫效率。
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