Stabilization of thickened aqueous fluids
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United States of America Patent
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Dec 4, 1984
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N/A
app pub date -
Sep 7, 1982
filing date -
Jan 16, 1981
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Abstract
Thickeners, preferably galactomannans, in aqueous solutions or slurries, e.g., water gel explosives, oil well drilling muds, and hydraulic fracturing fluids, are stabilized against thermal degradation by incorporating iodide and/or iodate ions in the solution or slurry. The preferred stabilizer is the iodide ion introduced into the fluid by dissolving an alkali metal or alkaline-earth metal iodide, or ammonium or alkyl-substituted ammonium iodide, in the aqueous phase.
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