COMPLETION AND WORKOVER FLUIDS

Zinc Bromide

Zinc bromide (ZnBr₂) is a heavy, colorless salt that can be a solid (crystals) or a dense liquid when dissolved in water (brine). It makes very heavy, clear brines used mainly in deep, high-pressure oil and gas wells.

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areas of application

  • Offshore: used as clear brine in deep sea wells for completion, workover and sometimes drilling to hold very high formation pressure safely.
  • Onshore: used the same way in land wells needing very heavy clear fluid for pressure control and to avoid formation damage.
  • Often blended with CaBr₂/CaCl₂ to fine-tune density and properties.
  • Primarily applied in oil & gas high-density drilling/completion fluids, and in radiation shielding and specialty chemical uses.

Other Fields

  • Battery electrolytes (zinc–bromine batteries / flow batteries)
  • Organic synthesis and catalysis
  • Radiation shielding and specialty glasses
  • Pharmaceutical intermediates
  • Flame retardants and polymer additives