Foamed fracturing fluid
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United States of America Patent
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Nov 23, 1999
Issued Date -
N/A
app pub date -
Jul 25, 1996
filing date -
Sep 2, 1994
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Abstract
An aqueous foamed fracturing fluid composition and method for using the foamed fracturing fluid for fracturing subterranean formations that have been penetrated by a wellbore wherein the foamed fracturing fluid comprises: (a) a viscosifier which is preferably either hydrophobically modified guar or hydrophobically modified hydroxymethylcellulose; (b) a surfactant which is preferably alpha olefin sulfonate; and (c) the gas phase includes either nitrogen or carbon dioxide.
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