Viscoelastic surfactant based foam fluids
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United States of America Patent
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Nov 2, 1993
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N/A
app pub date -
Mar 9, 1992
filing date -
Dec 24, 1984
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Abstract
A foam-fluid composition for use in foam fracture applications and foam slurry transport comprises a thickening amount of a viscoelastic surfactant composition, a functionally effective amount of a surfactant composition capable of forming a foam, and an aqueous liquid. Foam-fluid formulations are easily prepared, reusable, shear stable, easily pumped and form stable foams over a wide temperature range and exhibit high viscosities even at relatively high temperatures.
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