本发明公开了一种采油用堵水剂，由环氧树脂、聚乙烯聚氨、木质素磺酸钙、氯化钙、水混合组成。
The invention discloses a water shutoff agent for oil extraction, which is prepared by mixing epoxy resins, polyethylene ammonia, calcium lignosulphonate, calcium chloride and water.
乳化体系采用烷基硫酸盐、烷基苯磺酸盐等阴离子乳化剂与烷基酚基聚氧乙烯醚、聚乙烯醇等非离子乳化剂进行复合使用。
Emulsifying system using alkyl sulfates, alkyl benzene sulphonate and so on as negative ion surfactant to compound with alkyl, phenolic group polyethylene and polyvinyl alcohol.
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