Surface viscous acid has been prepared by mixing thickening agent (PAM) and cross? Linking agent (GL-5) with acid, which has the function of retarding reaction rate and sand prevention.
表面稠化酸是将稠化剂(PAM)、交联剂(GL - 5)加到酸中配制而成，它具有缓速酸化和防砂作用。
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。
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。
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