Wells – Processes – Cementing – plugging or consolidating
Reexamination Certificate
2006-01-03
2006-01-03
Kreck, John (Department: 3673)
Wells
Processes
Cementing, plugging or consolidating
C166S300000
Reexamination Certificate
active
06981552
ABSTRACT:
The present invention provides a well treatment fluid containing water, a amine-based polymer, and an oxidized polysaccharide-based polymer. The oxidized polysaccharide-based polymer is able to crosslink with the amine-based polymer and produce a gel having a viscosity of greater than about 20 cp, measured at a pH of about 4 to about 7 and at STP. The present invention also provides a method of treating a subterranean formation penetrated by a wellbore comprising the steps of: (a) forming the well treatment fluid, and (b) contacting the subterranean formation with the fluid.
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Dalrymple Eldon Dwyann
Eoff Larry S.
Reddy B. Raghava
Halliburton Energy Service,s Inc.
Kent Robert A.
Kreck John
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