... selective permeation 选择性渗透 selective plugging 选择性封堵 selective position tool 选择性定位工具 ...
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chemical selective plugging agent 化学选堵剂
selective plugging property 选择封堵性
non-selective chemical plugging 非选择性化学堵水
selective water plugging 选择性堵水
selective water-plugging agent 选择性堵水剂
selective water plugging agent 选择性堵水剂
non-selective hcemical plugging 非选择性化学堵水
A selective plugging agent was prepared from polyhydroxy - compound as gelling material and cross -linking agent BF.
用多羟基化合物作成胶剂与交联剂BF配制了选择性堵水剂。
A new kind of oil soluble polymer JHXD as selective water shutoff agent was prepared based on the requirement of selective plugging in water injected oilfields.
针对注水开发油田选择性堵水的急需，研制了一类新型油溶性聚合物选堵剂JHXD。
The results showed that, the permeability of water phase decreased 85% at least, the permeability of oil decreased no more than 25%. PDZ-1 has high selective plugging and a nice flushing resistance.
结果表明，该堵剂可使水相渗透率下降85%以上，油相渗透率下降25%以下，具有明显的选择性封堵作用及优良的耐冲刷性。
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