Wells – Processes – Cementing – plugging or consolidating
Patent
1993-07-21
1995-01-03
Suchfield, George A.
Wells
Processes
Cementing, plugging or consolidating
166294, 523130, E21B 33138
Patent
active
053777603
ABSTRACT:
Fibers are added to a gelation solution and the mixture is pumped to a subterranean injection site where it gels in place. The gelation solution is preferably comprised of partially hydrolyzed polyacrylamide polymer and a crosslinking agent, while the fibers are those which do not interfere with the gelation process and can provide adequate reinforcement while not adversely affecting the ability of the solution to be pumped and injected. Glass fibers and cellulosic fibers are specifically disclosed as preferable reinforcing fibers.
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Ebel J. E.
Hummel J. L.
Marathon Oil Company
Suchfield George A.
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