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    • 6. 发明申请
    • THREADED CONNECTION
    • 螺纹连接
    • WO2011063976A2
    • 2011-06-03
    • PCT/EP2010007191
    • 2010-11-26
    • VALLOUREC MANNESMANN OIL & GASSUMITOMO METAL INDMAILLON BERTRANDMARTIN PIERREDURIVAULT JEROEME
    • MAILLON BERTRANDMARTIN PIERREDURIVAULT JEROEME
    • F16L15/06E21B17/042E21B17/08F16L15/04
    • F16L15/06E21B17/042
    • A threaded connection 1 used in the exploration and operation of hydrocarbon wells comprises a first and a second tubular component, the first component comprising a male end 3 comprising a threaded zone 5 disposed on its external peripheral surface, the second component comprising a female end 2 comprising a threaded zone 4 disposed on its internal peripheral surface, the threaded zone 5 of the male end being threaded up into the threaded zone 4 of the female end, the threaded zones comprising respective male and female threads 40, 50, the threads 40, 50 comprising a root, a crest, a stabbing flank and a load flank, a groove being provided in the load flank of the threaded zone 40 of the female end and/or the male end respectively, adjacent to the root, and a boss being provided which projects axially from the load flank of the threaded zone 50 of the male end and/or respectively from the female end adjacent to the crest, the boss comprising a convex surface and a concave surface, the boss being housed in the groove with, in the connected state, a radial clearance subsisting between the concave surface and the groove and an axial clearance subsisting between the end of the boss and the bottom of the groove.
    • 用于勘探和操作烃井的螺纹连接件1包括第一和第二管状部件,第一部件包括阳端3,阳端3包括设置在其外周表面上的螺纹区5,第二部分包括阴端2 包括设置在其内周表面上的螺纹区域4,阳端的螺纹区域5螺纹连接到阴端的螺纹区域4中,螺纹区域包括相应的阳螺纹40和内螺纹螺纹40,螺纹40, 50,其包括根部,顶部,刺入侧面和负载侧面,槽分别设置在与根部相邻的阴端部和/或阳端部的螺纹区域40的负载侧面中,并且凸起部 其设置在从阳端的螺纹区域50的负载侧面和/或分别从与凸起相邻的阴端部轴向突出的位置,凸台包括凸面和凹面, 凸台在连接状态下容纳在凹槽中,其中凹部表面和凹槽之间存在径向间隙,并且在凸起的端部和凹槽的底部之间存在轴向间隙。
    • 9. 发明申请
    • THREADED CONNECTION
    • 螺纹连接
    • WO2011060894A2
    • 2011-05-26
    • PCT/EP2010006823
    • 2010-11-09
    • VALLOUREC MANNESMANN OIL & GASSUMITOMO METAL INDMARTIN PIERREMAILLON BERTRAND
    • MARTIN PIERREMAILLON BERTRAND
    • F16L15/06E21B17/08
    • E21B17/042F16L15/004F16L15/06
    • A threaded connection 1 comprising a first and a second tubular component, the first component comprising a male end comprising a distal surface and a threaded zone 5 disposed on its external peripheral surface, the second component comprising a female end comprising a distal surface and a threaded zone 4 disposed on its internal peripheral surface, the threaded zone 5 of the male end being threaded up into the threaded zone 4 of the female end, the threaded zones 4, 5 comprising respective male and female threads 40, 50 having a width which increases from the distal surface, the threads comprising load flanks having negative angles over at least a portion of their radial dimension, and stabbing flanks, with a radial clearance subsisting in the connected state between the crests of the male threads and the roots of the female threads and/or between the crests of the female threads and the roots of the male threads, with an axial clearance subsisting in the connected state between the stabbing flanks of the male and female threads, and the distal surface of the male end and/or female end being brought into axial abutting contact against a corresponding abutment surface.
    • 螺纹连接件1,包括第一和第二管状部件,第一部件包括阳端,其包括远侧表面和设置在其外周表面上的螺纹区域5,第二部件包括阴端,其包括远端表面和螺纹 区域4设置在其内周表面上,阳端的螺纹区域5被螺纹连接到阴端的螺纹区域4中,螺纹区域4,5包括相应的阳螺纹40和内螺纹50,其宽度增加 从远端表面,包括负载侧面的螺纹在其径向尺寸的至少一部分上具有负角并且刺入侧面,其中在阳螺纹的顶部和阴螺纹的根部之间的连接状态下保持的径向间隙 和/或在内螺纹的顶部和阳螺纹的根部之间,轴向间隙在s之间的连接状态下保持 阳螺纹和阴螺纹的凸舌侧面,并且阳端和/或阴端的远端表面与相应的邻接表面轴向抵靠接触。