Drilling tool
    11.
    发明授权
    Drilling tool 失效
    钻孔工具

    公开(公告)号:US5020599A

    公开(公告)日:1991-06-04

    申请号:US488090

    申请日:1990-06-22

    申请人: Werner Lau

    发明人: Werner Lau

    IPC分类号: E21B4/18 E21B17/02 E21B31/00

    CPC分类号: E21B4/18 E21B17/021 E21B31/00

    摘要: A tool for use in an oil or gas well to retrieve a drilling or production string from the well, said tool comprising an assembly which can be mounted on a supporting string, a driven member carried by the assembly and responsive to vertical movement of the assembly, to be driven in a predetermined rotational direction, said driven member being provided with or supporting a self-tapping thread provided at the lowermost end of the assembly, the self-tapping thread having the same sense as said predetermined direction of rotation.

    Releasable locking mechanism for locking a housing to a drilling shaft of a rotary drilling system

    公开(公告)号:US09797204B2

    公开(公告)日:2017-10-24

    申请号:US15503972

    申请日:2014-09-18

    摘要: Downhole rotary steerable drill including a drilling shaft rotatably supported within a housing, the drilling shaft and housing each having a longitudinal axis. The drill can include a releasable locking mechanism for rotationally locking and releasing the drilling shaft relative to the housing, the releasable locking mechanism transitionable between locked and released configurations. The releasable locking mechanism includes a sliding plunger coupled to the housing by a coupling that permits longitudinal reciprocation of the sliding plunger relative to the housing and prevents rotation of the sliding plunger relative to the housing. The releasable locking mechanism can also include pressure-responsive piston that reciprocates between an unactuated configuration and actuated configuration in response to applied pressure from a pressuring pump.

    Torque limiting device
    18.
    发明授权
    Torque limiting device 有权
    扭矩限制装置

    公开(公告)号:US09453374B2

    公开(公告)日:2016-09-27

    申请号:US13686564

    申请日:2012-11-27

    IPC分类号: E21B17/02 E21B37/00 E21B17/06

    摘要: A work string assembly for an oil or gas well has a first and second tubulars, and a torque limiting device connected in the work string. The torque limiting device has a body with an axial bore and two interconnected members that can disconnect to be relatively rotatable. The interconnected members can be repeatedly re-engageable when the torque levels drop below a torque threshold value, or can be connected by a frangible member that is broken when the interconnected members disconnect. A selectively actuable circulation port provided in the string adjacent to and above the torque limiting device allows the annulus between the work string and the casing to be flushed with fluid from the port.

    摘要翻译: 用于油井或气井的工作串组件具有第一和第二管,以及连接在工作串中的扭矩限制装置。 扭矩限制装置具有带有轴向孔的主体和两个相互连接的构件,其可断开以相对旋转。 当扭矩水平下降到扭矩阈值以下时,互连构件可以重复地重新接合,或者可以通过在互连构件断开时破裂的易碎构件来连接。 设置在扭矩限制装置中和上方的弦中的选择性致动的循环端口允许用来自端口的流体冲洗工作串和壳体之间的环形空间。

    Tool for removing wellhead components
    19.
    发明授权
    Tool for removing wellhead components 有权
    拆卸井口部件的工具

    公开(公告)号:US08844638B2

    公开(公告)日:2014-09-30

    申请号:US13499351

    申请日:2012-01-27

    CPC分类号: E21B17/021 E21B33/03

    摘要: A tool (10) for installing and removing a valve removal plug (60) from wellhead components, the tool comprising a curved pressure containing housing (11) having a first and a second end (12, 13), the housing having a bore (20) extending from the first end to the second end, a flexible drive member (21) within the bore and drive means (40, 41) connected to the drive member for causing rotational movement of the drive member within the pressure containing housing.

    摘要翻译: 一种用于从井口部件安装和去除阀去除塞(60)的工具(10),该工具包括具有第一和第二端(12,13)的弯曲压力容纳壳体(11),该壳体具有孔( 20),其从所述第一端延伸到所述孔内的柔性驱动构件(21)和连接到所述驱动构件的驱动装置(40,41),用于使所述驱动构件在所述压力容纳壳体内旋转运动。

    Apparatus and method for controlling the connection and disconnection speed of downhole connectors
    20.
    发明授权
    Apparatus and method for controlling the connection and disconnection speed of downhole connectors 有权
    用于控制井下连接器的连接和断开速度的装置和方法

    公开(公告)号:US08794337B2

    公开(公告)日:2014-08-05

    申请号:US13405269

    申请日:2012-02-25

    IPC分类号: E21B17/02 E21B47/12 E21B17/00

    摘要: Apparatuses and methods for controlling the connection speed of downhole connectors in a subterranean well are disclosed. An apparatus includes a first assembly having a first downhole connector and a first communication medium that is positionable in the well. A second assembly includes a second downhole connector and a second communication medium and has an outer portion and an inner portion that are selectively axially shiftable relative to one another. A lock assembly including at least one lug initially couples the outer and inner portions of the second assembly together such that, upon engagement of the first assembly with the second assembly downhole, the lug is radially shifted releasing the lock assembly to allow axial shifting of the outer portion of the second assembly relative to the inner portion of the second assembly, thereby operatively connecting the first and second downhole connectors to enable communication between the communication media.

    摘要翻译: 公开了一种用于控制地下井井下连接器的连接速度的装置和方法。 一种装置包括具有第一井下连接器和可定位在井中的第一通信介质的第一组件。 第二组件包括第二井下连接器和第二连通介质,并且具有可相对于彼此选择性地轴向移位的外部部分和内部部分。 包括至少一个凸耳的锁组件首先将第二组件的外部和内部部分联接在一起,使得在第一组件与井下的第二组件接合时,凸耳径向移动以释放锁定组件,以允许轴向移动 第二组件的外部部分相对于第二组件的内部部分,从而可操作地连接第一和第二井下连接器,以实现通信介质之间的通信。