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US08485255B2 Water-based fluid loss additive containing an amphiphilic dispersant for use in a well 失效
含有用于井中的两亲分散剂的水基失液添加剂

Water-based fluid loss additive containing an amphiphilic dispersant for use in a well
摘要：
A well treatment composition comprises: an aqueous liquid; a fluid loss additive, wherein the fluid loss additive comprises a high molecular weight, water-swellable polymer; and an amphiphilic dispersant, wherein the well treatment composition has an activity of at least 10%. A method of cementing in a subterranean formation comprises: introducing a cement composition into the subterranean formation, the cement composition comprising: (i) cement; (ii) water; and (iii) the well treatment composition; and allowing the cement composition to set.
摘要（中）：

井处理组合物包括：水性液体; 流体损失添加剂，其中所述流体损失添加剂包括高分子量的水溶胀性聚合物; 和两亲性分散剂，其中所述井处理组合物具有至少10％的活性。 一种在地层中固井的方法包括：将水泥组合物引入到地下地层中，所述水泥组合物包括：（i）水泥; （ii）水; 和（iii）井处理组合物; 并允许水泥组合物固化。

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