Low fluid loss cementing compositions containing polyvinylpyrrol

Details Low fluid loss cementing compositions containing polyvinylpyrrol Low fluid loss cementing compositions containing polyvinylpyrrol

1975-07-17

1976-11-30

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

166295, 260 4213, C08K 322

Patent

active

039948528

ABSTRACT:
Improved cementing compositions and their use in well cementing operations is disclosed, wherein polyvinylpyrrolidone-polyacrylamide triblock polymers are used as fluid loss additives for aqueous hydraulic cement slurries.

REFERENCES:
patent: 2614998 (1952-10-01), Lea
patent: 3132693 (1954-05-01), Weisend
patent: 3417054 (1968-12-01), Merijan
patent: 3468832 (1969-09-01), Barabas
patent: 3493529 (1970-02-01), Krottinger
patent: 3776983 (1974-12-01), Iovine
patent: 3876573 (1975-04-01), Engelhardt

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