Salt water cement slurries and water loss reducing additives the

Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...

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106314, C04B 7353

Patent

active

044551690

ABSTRACT:
Salt water cement slurries having low water loss when in contact with water permeable earth formations and additives for reducing water loss from salt water cement slurries are provided. The additives are comprised of very low molecular weight carboxymethylhydroxyethylcellulose polymers. Methods of using the additives are also provided.

REFERENCES:
patent: 2852402 (1958-09-01), Shell
patent: 2961044 (1960-11-01), Shell
patent: 3528832 (1970-09-01), Ericsson et al.

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