Compositions – Leather or fur treating
Patent
1978-12-13
1981-09-29
Guynn, Herbert B.
Compositions
Leather or fur treating
166244R, E21B 4300, C09K 300
Patent
active
042921830
ABSTRACT:
Clear, high-density fluids suitable for use as well completion, packing, and perforation media comprise aqueous solutions of zinc bromide and calcium bromide having densities lying in the range of about 14.5 up to about 18.0 pounds per gallon and measured pH's lying in the range of about 3.5 up to about 6.0. Optionally, such fluids may also comprise calcium chloride and/or a soluble film-forming amine-based corrosion inhibitor. Such fluids under conditions of ordinary use exhibit low corrosion rates and have crystallization points lying well below the range of temperatures under which they are used.
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Great Lakes Chemical Corporation
Guynn Herbert B.
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