Compositions – Leather or fur treating
Patent
1986-01-29
1989-06-06
Richman, Barry S.
Compositions
Leather or fur treating
252 851, 252 8551, 252 8514, 1662441, E21B 4300, C09K 300
Patent
active
048369411
ABSTRACT:
A clear brine fluid composition for use in servicing wells in the oil and gas industry comprising a solution of a zinc halide and a calcium halide in water having a density lying in the range of about 15 to about 22 ppg, a measured alkalinity lying in the range of about 0 up to about 1 normal and a measured zinc to calcium mole ratio lying in the range of about 1 to about 3.
REFERENCES:
patent: 4292183 (1981-09-01), Sanders
patent: 4304677 (1981-12-01), Stauffer et al.
patent: 4536302 (1985-08-01), Augsburger et al.
Prieto Joe R.
Richman Barry S.
Sutherland Barbara J.
The Dow Chemical Company
Wallen T. J.
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