Low temperature well cementing compositions and methods

Details Low temperature well cementing compositions and methods Low temperature well cementing compositions and methods

C - Chemistry, Metallurgy

04

B

C04B 7/00 (2006.01) C04B 7/02 (2006.01) C04B 7/26 (2006.01) C04B 11/00 (2006.01) C04B 24/02 (2006.01) E21B 33/13 (2006.01)

Patent

CA 2122964

Improved hydraulic cement compositions and methods for cementing wells drilled through low temperature earth formations wherein the cement is subjected to freeze-thaw cycling are provided. The compositions are comprised of a hydraulic cement, gypsum cement, fly ash, an alkali metal halide, water, and an alcohol freezing point depressant.

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