| 摘要 |
A method is disclosed for servicing a wellbore comprising introducing into the wellbore a substantially solids-free fluid comprising an admixture of water, calcium bromide and methanol and wherein the admixture has a density of at least about 15 lb/gal (1.80 kg/l) and a crystallization point of no more than about 20 DEG C. The composition is also claimed.
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