Flexible cementing compositions and methods for...

Details Flexible cementing compositions and methods for... Flexible cementing compositions and methods for...

C - Chemistry, Metallurgy

04

B

C04B 24/26 (2006.01) C04B 16/04 (2006.01) C04B 28/02 (2006.01) C09K 8/46 (2006.01) E21B 33/13 (2006.01)

Patent

CA 2517562

A well cementing composition comprises an hydraulic cement and flexible, acrylonitrile-butadiene copolymer particulate material. A method of cementing a well comprises mixing the composition with sufficient water, and optionally, other additives to form a pumpable slurry, and pumping the slurry into the well and allowing it to set.

La présente invention a trait à une composition de cimentation de puits comportant un ciment hydraulique souple, un matériau particulaire à base de copolymères acrylonitrile-butadiène. L'invention a également trait à un procédé comprenant le mélange de la composition avec une quantité suffisante d'eau, et éventuellement, d'autres additifs pour former une dispersion apte au pompage, et le pompage de la dispersion dans le puits et le durcissement de la dispersion.

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