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    • 8. 发明专利
    • NO318862B1
    • 2005-05-18
    • NO20035033
    • 2003-11-13
    • WEATHERFORD LAMB
    • MAGUIRE PATRICK G
    • E21B17/05E21B43/10E21B33/00
    • 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.
    • 9. 发明专利
    • Wire lock expandable connection
    • GB2396676A
    • 2004-06-30
    • GB0328085
    • 2003-12-04
    • WEATHERFORD LAMB
    • MAGUIRE PATRICK GHIRTH DAVID E
    • E21B17/043E21B43/10F16L21/08E21B19/16F16L15/08
    • A wellbore tubular connection comprises a first tubular 101 having an end with a recess 110, a second tubular 201 having an end with a corresponding recess 210, whereby the recess 110 and the corresponding recess 210 define a continuous cavity 301 when the first 101 and second tubulars 201 are connected together, and a connector 300 for positioning in at least a portion of the continuous cavity 301. As an alternative the tubulars 101,201 can have multiple recesses which define multiple cavities. The connector 200 is preferably a wire having a cross section which substantially matches the shape of the cavity 301 and it may be coated with a sealant. The connector 300 is preferably inserted into the continuous cavity 301 through an aperture 130 in the wall of tubular 101. The connection may also include at least one torque locking device, at least one torque screw or mating castellations (540, 640 figs 5A, 5B). The mating surfaces of the tubulars 101,201 may also be provided with a finish that provides a frictional resistance to a rotational movement between the tubulars 101,201.