Wells – Processes – Specific propping feature
Reexamination Certificate
2006-09-29
2009-08-11
Suchfield, George (Department: 3676)
Wells
Processes
Specific propping feature
C166S281000, C166S297000, C166S298000, C166S311000
Reexamination Certificate
active
07571766
ABSTRACT:
A method of fracturing a production interval of a subterranean formation adjacent a wellbore that is open hole or has an uncemented liner is provided. The method comprises the steps of: (a) perforating a zone of the production interval by injecting a pressurized fluid through a hydrajetting tool into the subterranean formation, so as to form one or more perforation tunnels; and (b) injecting a fracturing fluid into the one or more perforation tunnels so as to create at least one fracture along each of the one or more perforation tunnels; wherein at least a portion of at least one of the pressurized fluid and the fracturing fluid comprises a viscoelastic surfactant fluid.
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Search Report and Written Opinion for PCT/GB2007-003646, Sep. 25, 2007.
Pauls Richard W.
Surjaatmadja Jim B.
Welton Thomas D.
Booth Albanesi & Schroeder LLC
Halliburton Energy Service,s Inc.
Kent Robert A.
Suchfield George
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