Bromides of zinc and calcium for well completion

Details Bromides of zinc and calcium for well completion Bromides of zinc and calcium for well completion

C - Chemistry, Metallurgy

09

K

31/33

C09K 8/04 (2006.01)

Patent

CA 1130552

GL-118 DENSITY FLUID COMPOSITIONS ABSTRACT OF THE DISCLOSURE Clear, high-density fluids suitable for use as well com- pletion, 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 6Ø 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 axe used.

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