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。
It also has powerful core sealing capacity, drag coefficient was greater than 32, residual resistance factor was greater than 20 and plugging rate was greater than 95%.
具有较强的岩心封堵能力，阻力系数大于32，残余阻力系数大于20，封堵率大于95%。
It also has powerful core sealing capacity, drag coefficient was greater than 32, residual resistance factor was greater than 20 and plugging rate was greater than 95%.
具有较强的岩心封堵能力，阻力系数大于32，残余阻力系数大于20，封堵率大于95%。
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