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    • 49. 发明授权
    • Well fishing method and system
    • 井钓法和系统
    • US08261829B2
    • 2012-09-11
    • US12645070
    • 2009-12-22
    • Albert P. Davis
    • Albert P. Davis
    • E21B31/12
    • E21B31/125E21B31/20
    • A well fishing method and system is described. In at least one example of the invention, a method of retrieval of material (e.g., a tubing string) having broken control or monitoring lines from a cased well is provided. The method comprises: isolating, from the well casing, broken lines above the material to be retrieved, thereby creating a substantially axial work passage; grasping the material to be removed through the substantially axial work passage; and pulling the material to be retrieved and the restrained lines from the well. Example shrouds, probes and other members are also described.
    • 描述了一种井钓方法和系统。 在本发明的至少一个示例中,提供了一种从套管井取回具有破坏的控制或监控线的材料(例如,油管柱)的方法。 该方法包括:从井套管中分离待回收材料上方的虚线,从而形成基本轴向的工作通道; 抓住通过大致轴向的工作通道去除的材料; 并将待回收的材料和井的约束线拉。 还描述了示例性护罩,探针和其它构件。
    • 50. 发明申请
    • Cable hanger for use in a cable guided fishing assembly
    • 电缆吊架用于电缆导向钓鱼组件
    • US20070044970A1
    • 2007-03-01
    • US11217778
    • 2005-09-01
    • James StreaterGregg BosleyDonald LeachDavid RossC. Isaacks
    • James StreaterGregg BosleyDonald LeachDavid RossC. Isaacks
    • E21B31/00
    • E21B31/125Y10T24/3936
    • A cable hanger for use in a cable-guided fishing operation is disclosed. The disclosed invention provides a cable hanger in which a specially-shaped hanger body is connected to a handle having a cable groove running through it. The cable groove allows for the centerline of a cable to run through the centerline of the handle, thereby allowing for a straight-line pull to be exerted on the cable through the cable hanger. The specially-shaped hanger body is operatively connected to a specially-shaped body cover by a plurality of links. In this way, the hanger body and cover form a “clamshell” arrangement in which the cover can rotate from an open position to a closed position around the cable. When in the closed position, the cover and body are bolted together along the side of the cover and body opposite the links. The hanger body and cover are designed such that the cable rests closer to the links rather than in the center of the hanger body such that the moment arm between the bolts and the cable is increased, thereby increasing the amount of clamping force that can be provided by the bolts.
    • 公开了一种用于电缆引导式钓鱼操作的电缆吊架。 所公开的发明提供了一种电缆吊架,其中特殊形状的衣架主体连接到具有穿过其的电缆槽的手柄。 电缆槽允许电缆的中心线穿过手柄的中心线,从而允许直线拉动通过电缆衣架施加在电缆上。 特殊形状的衣架主体通过多个链节可操作地连接到特殊形状的主体罩。 以这种方式,衣架主体和盖子形成“蛤壳式”布置,其中盖可以从打开位置旋转到围绕电缆的关闭位置。 当处于关闭位置时,盖和主体沿着与连接件相对的盖和主体的侧面螺栓连接在一起。 衣架主体和盖子被设计成使得电缆靠近连杆而不是在衣架主体的中心,使得螺栓和电缆之间的力矩臂增加,从而增加可提供的夹紧力的量 用螺栓