Method of recycling fracturing fluids using a self-degrading foaming composition
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United States of America Patent
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Jul 29, 2008
Grant Date -
Nov 23, 2006
app pub date -
Apr 6, 2006
filing date -
Apr 6, 2005
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Abstract
A method of fracturing a subterranean zone penetrated by a well bore by preparing a foamed fracturing fluid containing a self-degrading foaming composition comprised of a mixture of anionic surfactant and nonionic surfactant. The fracturing fluid containing a self-degrading foaming composition forms a substantially less stable foam when the foamed fracturing fluid is recovered during reclaim.
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