Silicate activated lignosulfonate gel treatments of conductive z

Details Silicate activated lignosulfonate gel treatments of conductive z Silicate activated lignosulfonate gel treatments of conductive z

1979-08-27

1981-06-30

Leppink, James A.

Wells

Processes

Cementing, plugging or consolidating

166270, 166300, 405264, E21B 33138

Patent

active

042757894

ABSTRACT:
Highly conductive subterranean zones are treated with aqueous fluids containing gel-forming amounts of water-soluble lignosulfonate and silicate. Suitable treating fluids contain about 2 to about 5 weight percent sodium or ammonium lignosulfonate and sodium silicate at a weight ratio of SiO.sub.2 to lignosulfonate of about 0.2 to about 1.

REFERENCES:
patent: 3168511 (1965-02-01), King et al.
patent: 3180748 (1965-04-01), Holmgren et al.
patent: 3437625 (1969-04-01), Bonnel et al.
patent: 3638729 (1972-02-01), Parker
patent: 3785438 (1974-01-01), Jackson et al.
patent: 4074757 (1978-02-01), Felber et al.

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