Foamed well cement compositions, additives and methods

Details Foamed well cement compositions, additives and methods Foamed well cement compositions, additives and methods

1997-07-23

1999-04-27

Marcheschi, Michael

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106682, 106725, 106727, 106808, 106809, 106823, 106820, 10628725, 10628732, 166293, 166294, 166309, 405267, C04B 2412, C04B 2416, E21B 33138

Patent

active

058976990

ABSTRACT:
The present invention relates to improved foamed well cement compositions, additives and methods. The additives, which foam and stabilize a cement slurry containing freshwater or saltwater, are basically comprised of an aqueous solution of an alpha-olefinic sulfonate surfactant and a betaine surfactant.

REFERENCES:
patent: 3926650 (1975-12-01), Lange et al.
patent: 5133409 (1992-07-01), Bour et al.
patent: 5147565 (1992-09-01), Bour et al.
patent: 5569324 (1996-10-01), Totten et al.
patent: 5580378 (1996-12-01), Shulman
patent: 5588489 (1996-12-01), Chatterji
patent: 5696059 (1997-12-01), Onan et al.
patent: 5711801 (1998-01-01), Chatterji et al.

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