Wells – Processes – Placing or shifting well part
Reexamination Certificate
2006-03-14
2006-03-14
Bagnell, David (Department: 3672)
Wells
Processes
Placing or shifting well part
C166S242600, C175S105000, C464S050000, C403S002000, C285S003000
Reexamination Certificate
active
07011162
ABSTRACT:
An apparatus for use in a wellbore, the apparatus comprises a top body, a bottom body, and a sleeve mechanically connected to the top and bottom bodies. The sleeve movable between a first position to a second position, whereby in the first position, the top and bottom bodies rotate as one unit and in the second position, the top body rotates independent of the bottom body in a first direction and with the bottom body in a second direction. A method for completing a wellbore, wherein the method comprises running an assembly and a liner disposed on a drill string into the wellbore. The assembly includes an expander tool, a hydraulically actuated swivel, and a running tool mechanically connected to the liner. The method includes rotating the assembly and the liner as one rotationally locked unit. The method further includes activating the expander tool, expanding the liner into the existing casing, deactivating the expander, and then removing the drill string and running assembly from the wellbore.
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Bagnell David
Gay Jennifer H
Patterson & Sheridan LLP
Weatherford / Lamb, Inc.
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