Resilient well cement compositions and methods

C - Chemistry – Metallurgy – 04 – B

Patent

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Details

31/21, 261/56.1

C04B 24/26 (2006.01) C04B 28/02 (2006.01) C09K 8/46 (2006.01) E21B 33/14 (2006.01)

Patent

CA 2298898

The present invention provides improved compositions and methods for sealing pipe in a well bore. The compositions which harden into highly resilient solid masses having high strengths are basically comprised of a hydraulic cement, an aqueous rubber latex, an aqueous rubber latex stabilizing surfactant and silica hydrophobicized with silicon oil.

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