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    • 8. 发明申请
      WO2016097049A1 THREADED CONNECTION 审中-公开
    • THREADED CONNECTION
    • 螺纹连接
    • WO2016097049A1
    • 2016-06-23
    • PCT/EP2015/080088
    • 2015-12-16
    • VALLOUREC OIL AND GAS FRANCE , NIPPON STEEL & SUMITOMO METAL CORPORATION
    • MARTIN, Pierre
    • E21B17/042
    • E21B17/0423
    • A threaded tubular connection comprises a male threaded element disposed at the end of a first tubular component and a female threaded element disposed at the end of a second tubular component, the male threaded element comprising two male threadings, an outer and an inner, a first outer peripheral surface disposed between the male threadings, a first male sealing surface on said outer peripheral surface, a second outer peripheral surface, a male axial abutment surface disposed at the end of the male threaded element, and a second male sealing surface provided on the second outer peripheral surface of the male threaded element between the inner threading and the male axial abutment surface, the female threaded element comprising two female threadings, an outer and an inner, an inner peripheral surface disposed between the female threadings, at least one first female sealing surface on said inner peripheral surface, a female axial abutment surface, and a second female sealing surface provided between the female axial abutment surface and the inner female threading, the threads of said male and female outer threadings being engaged in the coupled state, the threads of said male and female inner threadings being engaged in the coupled state, the male axial abutment surface and the female axial abutment surface being abutted and engaged in the coupled state, the first male sealing surface and the first female sealing surface being in sealing contact in the coupled state, the second male sealing surface and the second female sealing surface being in sealing contact in the coupled state.
    • 螺纹管状连接件包括设置在第一管状部件的端部处的阳螺纹元件和设置在第二管状部件端部处的内螺纹元件，阳螺纹元件包括两个公螺纹，外螺纹和内螺纹，第一 设置在阳螺纹之间的外周表面，所述外周表面上的第一阳密封表面，第二外周表面，设置在阳螺纹元件的端部处的阳轴向邻接表面和设置在阳螺纹元件的端部上的第二阳密封表面 阳螺纹元件的第二外周表面在内螺纹和阳轴向邻接表面之间，内螺纹元件包括两个阴螺纹，外和内，内周表面，设置在阴螺纹之间，至少一个第一阴螺纹 所述内周表面上的密封表面，阴轴向邻接表面和第二阴密封表面pr 在雌性轴向邻接表面和内部雌性螺纹之间排出，所述雄性和雌性外部螺纹的螺纹处于联接状态，所述雄性和雌性内螺纹的螺纹处于联接状态，公轴向邻接表面 并且所述母轴向抵接面在所述连接状态下抵接并接合，所述第一阳密封面和所述第一阴密封面在所述连接状态下处于密封接触状态，所述第二阳密封面和所述第二阴密封面处于密封接触 处于耦合状态。
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