Wells – Processes – Cementing – plugging or consolidating
Patent
1974-04-19
1976-04-13
Abbott, Frank L.
Wells
Processes
Cementing, plugging or consolidating
166270, 166273, 166300, E21B 3313
Patent
active
039498115
ABSTRACT:
A method for reducing subterranean formation permeability to brines wherein the formation is penetrated by at least one well bore comprising, injecting into the formation two slugs of an aqueous polymer solution interspaced with a brine slug. A method for reducing the quantity of water recovered from a subterranean formation which is penetrated by at least one well bore wherein in one embodiment prolonged mobility control and/or plugging is maintained with the injection into the formation of slugs of aqueous solutions of at least two distinguishable viscosity increasing agents separated by a brine spacer slug.
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Clampitt Richard L.
Hessert James E.
Needham Riley B.
Threlkeld Curtis B.
Abbott Frank L.
Ebel Jack E.
Phillips Petroleum Company
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