A DRILL ROD CHANGER ASSEMBLY
    1.
    发明申请
    A DRILL ROD CHANGER ASSEMBLY 审中-公开
    钻机修理大会

    公开(公告)号:WO1998010166A1

    公开(公告)日:1998-03-12

    申请号:PCT/US1997014030

    申请日:1997-08-08

    CPC classification number: E21B19/146 E21B19/14

    Abstract: A drill rod changer assembly for a drill rig includes an elongated support shaft (5) having a housing (20, 30) at each end for retaining ends of drill rods, the support shaft being adapted for removable attachment to a drill rig structure (3), a carousel-type drill rod spacer (120) on the shaft and a pair of gripper arms (70, 74) adapted for removable attachment to a drill rig structure at spaced apart positions adjacent each end of the support shaft. A hydraulic actuation device (40) rotates the support shaft and carousel drill rod spacer between a rod storage position and a rod usage position. Each gripper arm is moved between the drill rod storage and usage positions by hydraulic actuation devices on each arm. Each gripper arm carries a sliding gate member that opens and closes the housings in response to movement of the gripper arm. The support shaft, and each gripper arm assembly being supplied as modularized assemblies that can be individually attached and removed from a drill rig to expeditiously change between various lengths of drill rod.

    Abstract translation: 一种用于钻机的钻杆更换器组件包括细长的支撑轴(5),其在每个端部具有用于保持钻杆的端部的壳体(20,30),所述支撑轴适于可拆卸地附接到钻机结构(3 ),轴上的转盘式钻杆间隔件(120)和一对夹持臂(70,74),其适于在与支撑轴的每个端部相邻的间隔开的位置处可拆卸地附接到钻机结构。 液压致动装置(40)将支撑轴和转盘钻杆间隔件旋转在杆存放位置和杆使用位置之间。 每个夹臂通过每个臂上的液压致动装置在钻杆存放和使用位置之间移动。 每个夹持器臂承载滑动门构件,其响应于夹持臂的移动而打开和关闭壳体。 支撑轴和每个夹持器臂组件作为模块化组件提供,其可以从钻机单独地附接和移除,以在各种长度的钻杆之间快速地改变。

    A REMOVABLE GUIDE MEMBER FOR GUIDING DRILL STRING COMPONENTS IN A DRILL HOLE
    2.
    发明申请
    A REMOVABLE GUIDE MEMBER FOR GUIDING DRILL STRING COMPONENTS IN A DRILL HOLE 审中-公开
    用于在钻孔中引导钻头组件的可拆卸导向构件

    公开(公告)号:WO1997035092A1

    公开(公告)日:1997-09-25

    申请号:PCT/US1997004066

    申请日:1997-03-14

    CPC classification number: E21B17/1078

    Abstract: A removable guide member for guiding drill string components in a drill hole includes an elongated body having a centerline axis with a bore extending along the axis. The body terminates in a head end having a preselected radial dimension with respect to the centerline axis. The guide member is adapted to be threadably connected to adjoining drill string components. The head end radial dimension is preselected to space an outer surface thereof in close proximity to a drill hole sidewall, so that if the drill string begins to deviate out of alignment, the outer surface of the head end will contact the drill hole sidewall to stabilize alignment. The guide member can be inserted into any position along the drill string.

    Abstract translation: 用于在钻孔中引导钻柱部件的可移除引导构件包括具有中心线轴线的细长主体,所述中心线轴线具有沿轴线延伸的孔。 身体终止于相对于中心线轴线具有预选的径向尺寸的头端。 引导构件适于与相邻的钻柱组件螺纹连接。 前端径向尺寸被预先选定以使其外表面紧邻钻孔侧壁,使得如果钻柱开始偏离对准,则头端的外表面将接触钻孔侧壁以稳定 对准。 引导构件可以插入沿着钻柱的任何位置。

    DUAL PITCH CONNECTING JOINT
    3.
    发明申请
    DUAL PITCH CONNECTING JOINT 审中-公开
    双点连接接头

    公开(公告)号:WO1997032109A1

    公开(公告)日:1997-09-04

    申请号:PCT/US1997002384

    申请日:1997-02-18

    CPC classification number: E21B17/0426

    Abstract: A drill rod has a first and second threaded end. The threads on the two ends have a different thread pitch so as to provide a different degree of joint tightness (torque) when the ends are threaded into a matching coupling. The different degree of joint tightness at each rod end causes a breaking of the joint connection in a predictable sequence, thereby facilitating drill string removal from a drill hole. An alternate embodiment achieves a different degree of joint tightness by having different thread lengths at each end of the drill rod and coupling, instead of different thread pitches.

    Abstract translation: 钻杆具有第一和第二螺纹端。 两端的螺纹具有不同的螺距,以便当端部拧入匹配的联接件时,提供不同程度的接头紧度(扭矩)。 每个杆端处的不同程度的接头紧密度导致接头连接以可预测的顺序断裂,从而便于从钻孔中钻取钻柱。 替代实施例通过在钻杆和联接器的每个端部处具有不同的螺纹长度而不是不同的螺距来实现不同程度的接头紧度。

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