Gel for retarding water flow

Details Gel for retarding water flow Gel for retarding water flow

1983-07-18

1985-02-12

Novosad, Stephen J.

Wells

Processes

Cementing, plugging or consolidating

166300, E21B 4322

Patent

active

044985401

ABSTRACT:
A polyvinyl alcohol-aldehyde gel having a high water content and low degree of crosslinking is provided which has improved stability. The gel can be used to retard the flow of water in subterranean formation encountered in hydrocarbon production. One embodiment of the invention provides a method of forming the gel in-situ in the pores of subterranean zones thereby retarding or blocking the flow of water therein.

REFERENCES:
patent: 3336979 (1967-08-01), Ingraham et al.
patent: 4015995 (1977-04-01), Hess
patent: 4040258 (1977-08-01), Argabright et al.
patent: 4264486 (1981-04-01), McLaughlin
patent: 4365670 (1982-12-01), McLaughlin

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