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    • 3. 发明授权
    • Threaded tubular connection which is resistant to bending stresses
    • 螺纹管连接,耐弯曲应力
    • US07661727B2
    • 2010-02-16
    • US10594112
    • 2005-03-22
    • Gabriel RoussieJacky Massaglia
    • Gabriel RoussieJacky Massaglia
    • F16L25/00
    • F16L15/00F16L15/002
    • A threaded tubular connection includes a male tubular element including a male threaded portion and a female tubular element including a female threaded portion that cooperates by screwing with the male threaded portion. The threaded connection includes at least one transfer zone that can transfer bending loads between the elements and that is axially spaced from the threaded portions, in which the male and female elements have an undulating surface and a smooth surface facing each other, the undulating surface defining a series of rounded annular ribs that come into contact with the smooth surface with a radial interference fit. The connection may find application to production strings for hydrocarbon wells.
    • 螺纹管状连接件包括一个公形管状元件,它包括一个阳螺纹部分和一个阴性管状元件,该阴性管状元件包括通过与外螺纹部分的螺纹配合的内螺纹部分。 所述螺纹连接包括至少一个传递区域,所述至少一个传送区域可在所述元件之间传递弯曲载荷并且与所述螺纹部分轴向间隔开,所述螺纹部分中的阳和阴元件具有起伏的表面和彼此面对的平滑表面,所述起伏表面限定 一系列圆形的环形肋,与径向过盈配合的光滑表面接触。 该连接可能适用于油气井的生产线。
    • 4. 发明申请
    • Threaded tubular connection which is resistant to bending stresses
    • 螺纹管连接,耐弯曲应力
    • US20070187951A1
    • 2007-08-16
    • US10594112
    • 2005-03-22
    • Gabriel RoussieJacky Massaglia
    • Gabriel RoussieJacky Massaglia
    • F16L25/00
    • F16L15/00F16L15/002
    • A threaded tubular connection includes a male tubular element including a male threaded portion and a female tubular element including a female threaded portion that cooperates by screwing with the male threaded portion. The threaded connection includes at least one transfer zone that can transfer bending loads between the elements and that is axially spaced from the threaded portions, in which the male and female elements have an undulating surface and a smooth surface facing each other, the undulating surface defining a series of rounded annular ribs that come into contact with the smooth surface with a radial interference fit. The connection may find application to production strings for hydrocarbon wells.
    • 螺纹管状连接件包括一个公形管状元件,它包括一个阳螺纹部分和一个阴性管状元件,该阴性管状元件包括通过与外螺纹部分的螺纹配合的内螺纹部分。 所述螺纹连接包括至少一个传递区域,所述至少一个传送区域可在所述元件之间传递弯曲载荷并且与所述螺纹部分轴向间隔开,所述螺纹部分中的阳和阴元件具有起伏的表面和彼此面对的平滑表面,所述起伏表面限定 一系列圆形的环形肋,与径向过盈配合的光滑表面接触。 该连接可能适用于油气井的生产线。