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Multisalt Fluids

Multisalt fluid blends are used to achieve greater fluid densities at a lower cost. The most commonly requested two salt blends are calcium chloride/calcium bromide and sodium chloride/sodium bromide, and the most commonly used three salt blend is zinc bromide/calcium bromide/calcium chloride. These standard multisalt blends are commonly available for both 30ºF and 60ºF applications. TETRA can also blend custom specialty fluids to meet specific true crystallization temperature (TCT), pressurized crystallization temperature (PCT), or concentration requirements.

PRODUCT INFORMATION

Calcium Chloride/Calcium Bromide Blend
A clear brine fluid, calcium chloride/calcium bromide blend (CaCl₂/CaBr₂) can be formulated to meet individual density and crystallization temperature requirements in the density range from 11.6 lb/gal to 15.1 lb/gal. Calcium chloride/calcium bromide blends are the most economical clear brine fluids at their available density range.

Sodium Chloride/Sodium Bromide Blend
A clear brine fluid, sodium chloride/sodium bromide (NaCl/NaBr) blend can be formulated to meet individual density and crystallization temperature requirements, covering the density range from 8.4 lb/gal to 12.7 lb/gal. A sodium chloride/sodium bromide blend is often used when the calcium ion is not desirable and costs are a concern, as it is less expensive than pure sodium bromide brines.

Zinc Bromide/Calcium Bromide/Calcium Chloride Blend
A clear brine fluid, zinc bromide/calcium bromide/calcium chloride (ZnBr₂/CaBr₂/CaCl₂) blend can be formulated to meet individual density and crystallization temperature requirements above the density range from 15.0 lb/gal to 19.2 lb/gal. This blend is used primarily when higher densities are required.

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