Treatment of subsuraface gas-bearing formations to reduce...

Details Treatment of subsuraface gas-bearing formations to reduce... Treatment of subsuraface gas-bearing formations to reduce...

E - Fixed Constructions

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B

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E21B 43/27 (2006.01) C09K 8/502 (2006.01) C09K 8/82 (2006.01) E21B 43/32 (2006.01)

Patent

CA 1145667

TREATMENT OF SUBSURFACE GAS-BEARING FORMATIONS TO REDUCE WATER PRODUCTION THEREFROM Abstract of the Disclosure 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.

361673

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