Hydrophobically modified polymers for water control
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United States of America Patent
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Oct 12, 2004
Grant Date -
Sep 18, 2003
app pub date -
Nov 16, 2000
filing date -
Mar 20, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The use of a hydrophobically modified water soluble polymer is described capable of being chemically cross-linked so as to produce a stable gel for blocking a water-bearing formation from a hydrocarbon-producing well. The polymer is essentially linear having hydrophilic side groups located at random positions along its backbone.
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