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    • 2. 发明申请
    • TUBULAR THREADED CONNECTION
    • 管状螺纹连接
    • WO2014044773A2
    • 2014-03-27
    • PCT/EP2013/069514
    • 2013-09-19
    • VALLOUREC OIL AND GAS FRANCENIPPON STEEL & SUMITOMO METAL CORPORATION
    • RUSSELL, ElderMAILLON, BertrandOKU, Yousuke
    • F16L15/002E21B17/0423F16L15/06
    • A threaded tubular connection includes a first tube and a second tube. The first tube includes a pin member and the second tube includes a box member. A cross-sectional area of a pin critical cross-section is within approximately ± 5% of cross-sectional area of a box critical cross-section of the box member. The cross-sectional areas of each of the pin and box critical cross-sections are within approximately ± 5% of the sum of the cross-sectional areas of a box intermediate critical cross-section of the box member and a pin intermediate critical cross-section of the pin member. In a made-up state, a first seal surface on the pin engages a second seal surface on the box in a radial direction so as to form an off-center fluid tight seal that extends in an axial direction of the threaded tubular connection.
    • 螺纹管状连接件包括第一管和第二管。 第一管包括销构件,第二管包括箱构件。 针临界横截面的横截面积在盒构件的盒关键横截面的横截面积的约±5%内。 每个销和箱关键横截面的横截面面积在盒件的中间临界横截面的箱的横截面面积与销中间临界横截面之和的大约±5%以内, 销部件的截面。 在制造状态下,销上的第一密封表面在径向方向上与箱体上的第二密封表面接合,以形成在螺纹管状连接的轴向方向上延伸的偏心的流体密封。