Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Reexamination Certificate
2006-06-13
2006-06-13
Suchfield, George (Department: 3676)
Wells
Processes
Perforating, weakening, bending or separating pipe at an...
C166S055100, C166S299000, C166S311000
Reexamination Certificate
active
07059411
ABSTRACT:
A damaged formation is stimulated by igniting a propellant adjacent openings in the wellbore in communication with the damaged formation. Substantially immediately thereafter, low density foam is injected adjacent the openings and circulated to the surface for the removal of debris released from the formation. A tubing string has a foam discharge port at a distal end and a foam injection port at surface. The tubing string extends sufficiently above the wellbore at surface to enable lowering of the tubing string and foam discharge port to below the openings for enhanced removal of debris.
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Goodwin Sean W.
Hurricane Industries LTD
Kirby Hayes Incorporated
Suchfield George
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