Patent ID: 7662755

Claim:
A sealant composition comprising a partially polymerized furfuryl compound selected from the group consisting of furfuryl alcohol, furfuryl aldehyde, and combinations thereof, wherein a weight ratio of the polymerized furfuryl compound to non-polymerized furfuryl compound in the sealant composition ranges from about 1:1 to about 10:1, wherein the furfuryl compound in the sealant composition ranges from about 30% to about 90% by weight of the sealant composition, and further comprising a coupling agent for bonding the sealant composition to a wall of a well bore positioned adjacent to the subterranean zone, to a conduit disposed in the well bore, or both, wherein the coupling agent comprises 3-glycidoxypropyltrimethoxysilane, and further comprising a curing agent.