A cement composition comprising water, a cement, and a fluid loss control additive, the fluid loss control additive comprising a graft copolymer.

本发明提供一种水泥组合物，其包含水、水泥和失液量控制添加剂，所述失液量控制添加剂包括接枝共聚物。

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So it can be the raw material of fluid loss additive for oil well cement.

因此，可以把它作为油井水泥降失水剂的原料。

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