Cementing wells with crack and shatter resistant cement

Details Cementing wells with crack and shatter resistant cement Cementing wells with crack and shatter resistant cement

C - Chemistry, Metallurgy

04

B

166/17, 31/9

C04B 16/06 (2006.01) C04B 28/02 (2006.01) C09K 8/46 (2006.01) E21B 33/14 (2006.01)

Patent

CA 2322937

Improved cement compositions and methods of cementing subterranean zones penetrated by well bores are provided. In accordance with the methods, a crack and shatter resistant cement composition is introduced into a subterranean zone by way of the well bore penetrating it comprised of a hydraulic cement, sufficient hydrophilic fibers to make the cement composition crack and shatter resistant upon setting and sufficient water to form a pumpable slurry. Thereafter, the cement composition is allowed to set in the subterranean zone.

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