发明授权
EP1341734B1 FOAMED WELL CEMENT SLURRIES 有权
发泡好的水泥浆料

FOAMED WELL CEMENT SLURRIES
摘要:
The present invention provides improved foamed well cement slurries, additives and methods. The foamed well cement slurries are basically comprised of a hydraulic cement, sufficient water to form a pumpable slurry, sufficient gas to form a foam and an effective amount of an additive for foaming the slurry comprised of hydrolyzed keratin.
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