Method for forming a high viscosity gel

Details Method for forming a high viscosity gel Method for forming a high viscosity gel

Filed on

1991-12-26

Date issued

1992-12-08

Examiner

Lovering, Richard D.

Patent Class

Compositions

SubClass

Preservative agents

SubSubClass

Anti-corrosion

Other Related Categories

252 8554, 252 8551, 507114, 166294, 166295, 166300, B01J 1300, F21B 33138

Type

Patent

Status

active

Patent number

051695596

Description

ABSTRACT:
The invention is a method for forming a high viscosity gel by mixing about 0.9% to about 3.0% by weight of hydroxy propyl cellulose having an average molecular weight greater than about 1,000,000 about 0.4% to about 3.0% by weight of an alkali metal dodecyl sulfate in the ratio of about 3:1 to about 1:1.5 of cellulose to sulfate, and a brine having a salinity greater than about 20,000 ppm TDS.

REFERENCES:
patent: 4330414 (1982-05-01), Hoover
patent: 4378049 (1983-03-01), Hsu et al.
patent: 4435564 (1984-03-01), House
patent: 4553601 (1985-11-01), Almond et al.
patent: 4627494 (1986-12-01), Kalfoglou
patent: 5076361 (1991-12-01), Naae et al.

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