Enhanced oil recovery process using a hydrophobic associative composition containing a hydrophilic/hydrophobic polymer
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United States of America Patent
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Mar 21, 1989
Issued Date -
N/A
app pub date -
Aug 1, 1983
filing date -
Feb 6, 1981
priority date (Note) -
Expired
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Abstract
An aqueous liquid medium having increased low shear viscosity and utility as a mobility control agent in enhanced oil recovery is provided by dispersing into the aqueous medium (1) a hydrophilic/hydrophobic polymer having hydrophobic groups, e.g., an acrylamide/dodecyl methacrylate copolymer, and (2) a water-dispersible surfactant, e.g., dodecyl polyethyleneoxy glycol monoether.
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