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    • 3. 发明申请
    • PIPE DRIVE SEALING SYSTEM AND METHOD
    • 管道驱动密封系统和方法
    • US20130168105A1
    • 2013-07-04
    • US13339161
    • 2011-12-28
    • Michael Everett LemanThomas George Roesner
    • Michael Everett LemanThomas George Roesner
    • E21B19/16E21B19/00
    • E21B17/03E21B19/08E21B19/16
    • Present embodiments are directed to a gripping device configured to cooperate with a pipe drive system or top drive to provide a sealed engagement with drillpipe elements. The gripping device includes a housing configured to extend over and at least partially around a distal end of the drillpipe element. Further, the gripping device includes a seal area positioned along an inner perimeter of the housing such that, when a seal is inserted in the seal area, the seal is arranged to engage with a face of the distal end of the drillpipe element and a face of the gripping device. Further, the gripping device includes engagement features configured to extend inwardly from the inner perimeter to facilitate coupling of the gripping device with an outer circumferential area of the drillpipe element.
    • 现有实施例涉及一种夹持装置,其构造成与管驱动系统或顶部驱动器配合以提供与钻杆元件的密封接合。 夹持装置包括构造成在钻杆元件的远端延伸并且至少部分地围绕钻杆元件的远端延伸的壳体。 此外,夹持装置包括沿着壳体的内周边定位的密封区域,使得当密封件被插入密封区域中时,密封件被布置成与钻杆元件的远端的表面接合, 的夹持装置。 此外,夹持装置包括配置为从内周向内延伸的接合特征,以便于把持装置与钻管元件的外圆周区域的联接。