Recovery system containing lanthanide-crosslinked polymers

Details Recovery system containing lanthanide-crosslinked polymers Recovery system containing lanthanide-crosslinked polymers

1992-02-26

1993-07-13

Geist, Gary

Wells

Processes

Chemical inter-reaction of two or more introduced materials

166278, 166308, 252 8551, 523130, 525360, E21B 4326, E21B 4304, E21B 4327

Patent

active

052264807

ABSTRACT:
Polymers (and especially hydroxyethylcellulose) are crosslinked using a lanthanide as a crosslinking agent. The crosslinked polymers have utility in well completion, well stimulation, enhanced oil recovery, and subterranean fluid containment operations.

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