Crosslinked hydroxyethylcellulose and its uses
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United States of America Patent
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May 4, 1993
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N/A
app pub date -
Feb 26, 1992
filing date -
May 7, 1991
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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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