Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Reexamination Certificate
2007-01-30
2007-01-30
Tsay, Frank (Department: 3672)
Wells
Processes
Perforating, weakening, bending or separating pipe at an...
C166S308100, C166S055000
Reexamination Certificate
active
10961498
ABSTRACT:
Method and apparatus are provided for pumping operations that may be used to form perforations in the casing of a well, clean perforations and drill drain holes through perforations. A plunger is placed in a reference perforation and the pumping operations may be performed through a nozzle at a known location with respect to the reference perforation. The nozzle may be attached to a flexible hose to drill a drain hole or may be inserted in a body on the bottom of a tubing string. Addition apparatus and method are provided to insure that the plunger or plungers are maintained in a reference perforation or perforations when pumping operations are carried out through tubing.
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Briscoe Floyd H.
Buckman, Sr. William G.
Hale Carl B.
Malone Phillip G.
Murphy Michael E.
Buckman Jet Drilling, Inc.
Burleson Cooke L.L.P.
Cooke, Jr. Claude E.
Tsay Frank
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