Wells – Processes – Placing fluid into the formation
Reexamination Certificate
2008-07-29
2008-07-29
Bates, Zakiya W. (Department: 3676)
Wells
Processes
Placing fluid into the formation
C166S309000
Reexamination Certificate
active
07404442
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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Colaco Allwyn
Dahanayake Manilal S.
Kesavan Subramanian
Bates Zakiya W.
Ditrani Angela M
McVeigh Kevin E.
Pacho Jericho B.
Rhodia Inc.
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