E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
31/26
E21B 43/26 (2006.01)
Patent
CA 1186883
ABSTRACT OF THE DISCLOSURE Aqueous compositions having properties making them suitable for use as hydraulic fracturing fluids are disclosed. These compositions comprise (a) an uncrosslinked aqueous polysaccharide solution, and (b) a 4,4'-thiodiphenol. Ingredient (b) acts as a "breaker" and causes the composition to lose viscosity at a controlled rate.
418104
Connell Richard B.
Kucera Clare H.
Smart & Biggar
The Dow Chemical Company
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