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ADDITIVE FOR CEMENT SLURRY FOR WELL AND METHOD FOR PRODUCING SAID ADDITIVE, CEMENT SLURRY FOR WELL, AND CEMENTING METHOD FOR WELL
Provided is an additive for a cement slurry for a well that is capable of suppressing the generation of free water and preventing flotation/separation of low-specific-gravity aggregate while securing sufficient cement strength even at a high temperature. Also provided is a method for producing this additive. This additive for a cement slurry for a well contains an aqueous dispersion of silica and a layered silicate.
ADDITIVE FOR CEMENT SLURRY FOR WELL AND METHOD FOR PRODUCING SAID ADDITIVE, CEMENT SLURRY FOR WELL, AND CEMENTING METHOD FOR WELL
Provided is an additive for a cement slurry for a well that is capable of suppressing the generation of free water and preventing flotation/separation of low-specific-gravity aggregate while securing sufficient cement strength even at a high temperature. Also provided is a method for producing this additive. This additive for a cement slurry for a well contains an aqueous dispersion of silica and a layered silicate.
ADDITIVE FOR CEMENT SLURRY FOR WELL AND METHOD FOR PRODUCING SAID ADDITIVE, CEMENT SLURRY FOR WELL, AND CEMENTING METHOD FOR WELL
MURAKAMI SATORU (author) / KIMATA MASAKI (author) / OOTA ISAO (author)
2022-07-14
Patent
Electronic Resource
English
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