WELLBORE APPARATUS AND METHOD

The present invention generally relates to an apparatus for use in a wellbor e. The apparatus comprises a top body, a bottom body, and a sleeve mechanical ly connected to the top and bottom bodies. The sleeve movable between a first position to a second position, whereby in the first position, the t...

Full description

Saved in:
Bibliographic Details
Main Author MAGUIRE, PATRICK G
Format Patent
LanguageEnglish
French
Published 15.01.2008
Subjects
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
Online AccessGet full text

Cover

More Information
Summary:The present invention generally relates to an apparatus for use in a wellbor e. The apparatus comprises a top body, a bottom body, and a sleeve mechanical ly 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 is also provided. 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 line r into the existing casing, deactivating the expander, and then removing the drill stri ng and running assembly from the wellbore.
Bibliography:Application Number: CA20032449340