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发明公开
CN107699218A 复合矿物凝胶封堵体系及其制备方法 无效 - 驳回

复合矿物凝胶封堵体系及其制备方法
摘要：
本发明涉及一种复合矿物凝胶封堵体系，其包含以下组分：(1)复合矿物，其选自钠基膨润土、镁基膨润土、有机膨润土或其混合物；(2)稳定剂，其选自磺化酚醛树脂、磺化褐煤或聚阴离子纤维素；(3)分散剂，其选自硅酸盐；(4)增稠剂，其选自聚丙烯酰胺和酚醛交联剂的混合物；以及(5)水。本发明还涉及复合矿物凝胶封堵体系的制备方法。
摘要（英）：

The invention relates to a composite mineral gel blocking system. The composite mineral gel blocking system comprises the following components: (1) composite mineral, which is selected from sodium-based bentonite, magnesium-based bentonite, organic bentonite or a mixture thereof; (2) a stabilizer, which is selected from sulfonated phenolic resin, sulfonated lignite or polyanionic cellulose; (3) adispersing agent, which is selected from silicate; (4) a thickening agent, which is selected from a mixture of polyacrylamide and a phenolic aldehyde crosslinking agent; and (5) water. The invention also relates to a preparation method of the composite mineral gel blocking system.

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