63.
    发明专利
    未知

    公开(公告)号:DE602007001152D1

    公开(公告)日:2009-07-09

    申请号:DE602007001152

    申请日:2007-01-09

    Abstract: A method of protecting one or more compensation cylinders for use at a wellbore, comprising: monitoring a pressure in one or more compensator cylinders during tubular handling operations; communicating the pressure to a controller; performing an action when the pressure reaches a predetermined value, wherein the action is initiated by the controller.

    TORQUE SUB FOR USE WITH TOP DRIVE
    66.
    发明专利

    公开(公告)号:CA2586317A1

    公开(公告)日:2007-10-27

    申请号:CA2586317

    申请日:2007-04-26

    Abstract: Embodiments of the present invention generally relate to a torque sub for us e with a top drive. In one embodiment a method of connecting threaded tubular members for use in a wellbore is disclosed. The method includes operating a top driv e, thereby rotating a first threaded tubular member relative to a second threaded tubul ar member; measuring a torque exerted on the first tubular member by the top drive, wherein the torque is measured using a torque shaft rotationally coupled to the top driv e and the first tubular, the torque shaft having a strain gage disposed thereon; wirelessly transmitting the measured torque from the torque shaft to a stationary interface; measuring rotation of the first tubular member; determining acceptability of the threaded connection; and stopping rotation of the first threaded member when the threaded connection is complete or if the threaded connection is unacceptable.

    STAND COMPENSATOR
    67.
    发明专利

    公开(公告)号:CA2573563A1

    公开(公告)日:2007-07-11

    申请号:CA2573563

    申请日:2007-01-10

    Abstract: A method and apparatus for connecting a tubular to a tubular string. An assembly for engaging, compensating and connecting a tubular is provided. Th e assembly comprises one or more compensating pistons, an engaging assembly fo r engaging a tubular and a connector for connecting the engaging assembly to t he one or more compensating pistons while allowing for rotation of the tubular relativ e to the compensation pistons.

    69.
    发明专利
    未知

    公开(公告)号:NO20091086L

    公开(公告)日:2004-06-29

    申请号:NO20091086

    申请日:2009-03-12

    Abstract: A gripping apparatus for supporting a tubular is described. The gripping apparatus comprises a housing having a longitudinal opening extending therethrough, one or more gripping members movable in the housing to grip the tubular and a cover assembly selectively attachable to the housing, wherein the cover assembly is adapted to center the tubular.

    FLUSH MOUNTED SPIDER
    70.
    发明专利

    公开(公告)号:CA2734047A1

    公开(公告)日:2004-02-05

    申请号:CA2734047

    申请日:2003-07-22

    Abstract: A gripping apparatus (100) for supporting a tubular includes a longitudinal opening extending therethrough. A bowl (25) is formed on an inner wall of the housing to provide an incline surface for one or more gripping members (20). As the gripping members are move down along the incline, the incline causes the gripping members to move radially toward the tubular and contact the tubular. In one embodiment, the housing comprises two body portions (11, 12) coupled together using one or mores hinges (35). In one aspect, the bowl is formed as a recess in the inner wall (42) of the housing. The hinges of the housing are progressively curved to accommodate the recess bowl, thereby increasing the tubular size handling capacity of the gripping apparatus.

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