grain water plugging agent 颗粒堵剂
chemical water plugging agent 化学堵剂
selective water-plugging agent 选择性堵水剂
selective water plugging agent 选择性堵水剂
combinational water plugging agent 复合堵水剂
clay grain water plugging agent 粘土颗粒堵剂
heat resistant water plugging agent 高温堵水剂
gelled polymer water plugging agent 聚合物凝胶堵水剂
Therefore a new type of sand prevention and water plugging agent was studied in this paper. The new agent can prevent sand effectively, but also plug water with high selectivity.
研究将防砂堵水工艺合二为一的新型防砂堵水剂，既能有效防砂，又有选择性堵水效果。
The compound ion polymer in-depth profile adjusting and water plugging agent had been developed by compound ion polymer, urotropine, resorcin, ammonium chloride as mostly material.
以复合离子聚合物、六次甲基四胺、间苯二酚为主要原料，制取复合离子聚合物调剖堵水剂。
Plugging large pore in water injection well is the most important measures, and choice of plugging agent is getting more important.
封堵注水井的大孔道是控水稳油的重要措施，封堵剂的选择也越来越重要。
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