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    • 10. 发明授权
    • Well string injection system with gripper pads
    • 良好的注射系统与夹子垫
    • US06880629B2
    • 2005-04-19
    • US10329297
    • 2002-12-23
    • Jason Schroeder
    • Jason Schroeder
    • B66D3/00E21B19/10
    • E21B19/22B66D3/003
    • A continuous well string injection unit, comprising a pair of motor driven continuous chains mounted opposed to each for gripping coiled rod between them. Plural links are connected end to end in each one of the pair of motor driven continuous chains, in which each link comprises a connected yoke and a neck, the neck of each link being sized to fit within the yoke of a succeeding link in the motor driven continuous chain with consecutive links connected by a pin extending through the neck of one link and the yoke of the next succeeding link. A method of injecting coiled rod into a well is also provided.
    • 一种连续的井筒注射单元,包括一对电动机驱动的连续链,每个链条相互安装,用于在它们之间夹紧线圈杆。 多个连杆在一对电机驱动的连续链中的每一个中端对端连接,其中每个连杆包括连接的轭和颈部,每个连杆的颈部的尺寸被设计成装配在马达中的后续连杆的轭架内 驱动的连续链,其连续的链条通过延伸穿过一个链节的颈部的销和下一个后续链接的轭连接。 还提供了将线圈杆注入井中的方法。