Multicomponent viscoelastic surfactant fluid and method of using as a fracturing fluid
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United States of America Patent
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Feb 28, 2012
Grant Date -
Sep 1, 2011
app pub date -
May 12, 2011
filing date -
Jun 2, 2004
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Abstract
There is a viscoelastic fluid. The fluid has one or more cationic surfactants selected from the group consisting of certain quaternary salts, certain amines, and combinations thereof; one or more anionic polymers/anionic surfactants; one or more of certain zwitterionic/amphoteric surfactants; and water. There is also a method of fracturing a subterranean formation. The viscoelastic fluid is pumped through a wellbore and into a subterranean formation at a pressure sufficient to fracture the formation. There is also a method for gravel packing a subterranean formation.
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