Thickened heavy brines

Details Thickened heavy brines Thickened heavy brines

1980-06-20

1983-12-13

Guynn, Herbert B.

Compositions

Leather or fur treating

2523635, E21B 4300

Patent

active

044204060

ABSTRACT:
A thickened brine solution useful as a well servicing fluid is prepared, said solution consisting essentially of water, at least 20% by weight zinc bromide, calcium bromide, and a viscosifying amount of hydroxyethyl cellulose.

REFERENCES:
patent: 3297583 (1967-01-01), Dierichs et al.
patent: 3852201 (1974-12-01), Jackson
patent: 4046197 (1977-09-01), Gruesbeck et al.
patent: 4169797 (1979-10-01), Johnston et al.
patent: 4175042 (1979-11-01), Mondshine
patent: 4330414 (1982-05-01), Hoover
patent: 4350601 (1982-09-01), Mosier et al.
Stauffer et al., International Application Published Under the Patent Cooperation Treaty, Int. Publication No. WO80/00590, 4-3-80.

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