Resilient well cement compositions and methods
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United States of America Patent
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Dec 18, 2001
Issued Date -
N/A
app pub date -
Jan 23, 2001
filing date -
Feb 22, 1999
priority date (Note) -
Expired
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Abstract
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, an epoxy resin, an epoxy resin hardening agent and porous precipitated silica hydrophobicized with silicone oil.
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