Treatment of subsurface gas-bearing formations to reduce water production therefrom
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United States of America Patent
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-
Jul 7, 1981
Grant Date -
N/A
app pub date -
Oct 30, 1979
filing date -
Oct 30, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Excessive water production from a producing gas well is substantially reduced by the injection of a hydrocarbon-diluted water-in-oil emulsion comprising a viscosifying polymer such as polyacrylamide, the injected emulsified polymer swelling on contact with connate water in the subsurface gas producing formation to restrict transfer of water therethrough toward the producing gas well.
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