Stable and biodegradable foamed cement slurries, additives...

Details Stable and biodegradable foamed cement slurries, additives... Stable and biodegradable foamed cement slurries, additives...

2005-10-11

2005-10-11

Green, Anthony J. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

C106S682000, C106S728000, C106S810000, C106S823000, C166S293000, C405S266000, C405S267000

Reexamination Certificate

active

06953505

ABSTRACT:
The present invention relates to stable and biodegradable foamed cement slurries, additives and methods. A foamed cement slurry of the invention comprises a hydraulic cement, sufficient water to form a slurry, sufficient gas to form a foam and a biodegradable foaming and stabilizing additive comprising a mixture of a capryl/capramido propyl betaine surfactant and a capryl/capramido propyl dimethyl amine oxide surfactant.

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