Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component
Reexamination Certificate
2005-01-13
2010-02-16
Kugel, Timothy J. (Department: 1796)
Earth boring, well treating, and oil field chemistry
Well treating
Contains organic component
C507S234000, C507S266000, C507S267000, C523S130000
Reexamination Certificate
active
07662755
ABSTRACT:
Sealant compositions and methods of using the same to isolate a subterranean zone are provided. The compositions include partially polymerized furfuryl alcohol/aldehyde, a coupling agent, a diluent, a curing agent, a ductility imparting agent, and a filler for increasing the compressive strengths of the sealant compositions. Methods of isolating a subterranean zone include pumping the foregoing sealant composition into a well bore down through a conduit and up through an annulus disposed between the conduit and the walls of the well bore. The sealant composition exhibits a sufficiently long cure time such that it does not harden until it reaches the annulus. Thus, the sealant composition effectively attaches the conduit to the walls of the well bore. The sealant composition is substantially resistant to degradation by waste chemicals disposed of in the well bore.
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Nguyen Philip D.
Reddy B. Raghava
Conley & Rose, P.C.
Halliburton Energy Service,s Inc.
Kugel Timothy J.
Roddy Craig W.
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