Process for the selective reduction of water inflows in oil or g

Details Process for the selective reduction of water inflows in oil or g Process for the selective reduction of water inflows in oil or g

1988-03-07

1989-06-27

Suchfield, George A.

Wells

Processes

Cementing, plugging or consolidating

166294, 166300, E21B 33138

Patent

active

048420719

ABSTRACT:
This process comprises injecting a non-hydrolyzed acrylamide polymer or copolymer into the producing formation and producing hydrolysis thereof in situ by subsequent injection of an alkali metal basic compound. It is then possible to restart the well in oil or gas production.

REFERENCES:
patent: 3502146 (1970-03-01), Hurd
patent: 4098337 (1978-07-01), Argabright et al.
patent: 4155405 (1979-05-01), Vio
patent: 4498539 (1985-02-01), Bruning
patent: 4744418 (1988-05-01), Sydansk

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