Compositions – Leather or fur treating
Patent
1981-05-08
1984-10-09
Guynn, Herbert B.
Compositions
Leather or fur treating
252 85A, C09K 702, E21B 4300
Patent
active
044760329
ABSTRACT:
A method of producing a well servicing fluid containing zinc bromide in which an activated hydroxyethyl cellulose is either admixed with a zinc bromide solution containing above about 30% by weight zinc bromide, or, in the alternative, is admixed with a non-zinc bromide containing solution to produce a viscosified solution which is then admixed with a zinc bromide containing solution.
REFERENCES:
patent: 3292183 (1981-09-01), Sanders
patent: 3852201 (1974-12-01), Jackson
patent: 4046197 (1977-09-01), Gruesback et al.
patent: 4304677 (1981-12-01), Stauffer et al.
patent: 4330414 (1982-05-01), Hoover
patent: 4350601 (1982-09-01), Mosier et al.
Place et al., "High Density Fluids for Completions and Workovers," Presented at the European Offshore Petroleum Conference and Exhibition, Oct. 1980, pp. 497-499.
Hoover Lonnie D.
House Roy F.
Guynn Herbert B.
NL Industries Inc.
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