During water plugging operation, the key factor of success is how to protect non-target zones from pollution.

在堵水封窜作业中，如何保护非目的层不受污染，是施工成功与否的关键。

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Chemistry shuts off the water includes the selective water plugging and the non-selective water plugging.

化学堵水又包括选择性堵水和非选择性堵水。

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Can be controlled by temperature and inorganic non-metallic high-temperature activator hydration activity of plugging the excitation and the thickening and hardening speed and strength after curing.

可以通过温度和活化剂控制无机非金属高温调堵材料水化活性的激发及稠化、硬化速度以及硬化后的强度。

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Both Benanke and Volcker say that instead of re-arranging the regulatory deck chairs, Congress should focus on plugging the gaps in existing regulations, such as establishing a process for officials to unwind faltering non-bank financial firms.

FORBES