Well completion and servicing fluid

Compositions – Leather or fur treating

Patent

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Details

E21B 3313, E21B 4311

Patent

active

049591657

ABSTRACT:
A well completion and servicing fluid comprising an aqueous solution of calcium chloride containing a viscosifier and zinc and/or zinc oxide as a weighting agent.

REFERENCES:
patent: 2055666 (1936-02-01), Moore et al.
patent: 2099825 (1937-11-01), Rolshausen et al.
patent: 3007865 (1961-11-01), Priest
patent: 4190110 (1980-02-01), Beirute
patent: 4276182 (1981-06-01), Beirute
patent: 4422947 (1983-12-01), Dorsey et al.
patent: 4490262 (1984-12-01), Stauffer et al.

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