Wells – Processes – Distinct – separate injection and producing wells
Patent
1979-09-17
1981-08-11
Novosad, Stephen J.
Wells
Processes
Distinct, separate injection and producing wells
166295, 175 72, E21B 2100, E21B 33138
Patent
active
042829283
ABSTRACT:
In the recovery of hydrocarbon materials from subterranean formations, the simultaneous production or loss of other fluids such as water is inhibited by the selective introduction into the subterranean porous structure of discrete spheroidal microgels of a water-swollen or water-swellable, crosslinked polymer such as crosslinked polyacrylamide.
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Givens Steven P.
McDonald Charles J.
Van Landingham John V.
Novosad Stephen J.
Suchfield George A.
The Dow Chemical Co.
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