Aqueous fracturing fluid
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United States of America Patent
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Sep 23, 2008
Grant Date -
May 19, 2005
app pub date -
Dec 20, 2002
filing date -
Dec 22, 2001
priority date (Note) -
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Abstract
The invention concerns an aqueous viscoelastic fracturing fluid for use in the recovery of hydrocarbons. According to the invention, the fluid comprises a viscoelastic surfactant and a hydrophobically-modified polymer wherein the concentration of the hydrophobically-modified polymer is comprised between its overlap concentration c* and its entanglement concentration c.sub.e.
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