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CALCIUM CHLORIDE is a salt used to create solids free brine workover and completion fluids. It can be used to prepare weighted drilling fluids where formation pressures require densities ranging from 1.02 – 1.40sg (8.5 – 11.7lb / bbl). In combination with CALCIUM BROMIDE, CALCIUM CHLORIDE achieves densities up to 1.8sg (15lb / bbl).
Sodium Chloride (NaCl) is a widely available commercial chemical that can be used as a weighting agent to increase fluid density up to 1.2sg (10lb / gal). It is predominately used for formulating clear, solid free work-over and completion fluids. Sodium chloride can also provide inhibition to formations containing water sensitive clays and shales.