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    • 3. 发明申请
    • TUBULAR CONNECTION WITH SELF-LOCKING THREADING USED IN THE OIL INDUSTRY
    • 在油行业中使用自锁螺纹的管状连接
    • WO2010069491A1
    • 2010-06-24
    • PCT/EP2009/008711
    • 2009-12-07
    • VALLOUREC MANNESMANN OIL & GAS FRANCESUMITOMO METAL INDUSTRIES, Ltd.MARTIN, PierreVERGER, Eric
    • MARTIN, PierreVERGER, Eric
    • F16L15/06E21B17/042
    • E21B17/042F16L15/001F16L15/06
    • The invention concerns a threaded connection comprising a first and a second tubular component, each being provided with a respective male (1) and female (2) end, the male end (1) comprising, on its external peripheral surface, at least one threaded zone (3) and finishing in a terminal surface (7) which is orientated radially with respect to the axis (10) of the connection, the female end (2) comprising, on its internal peripheral surface, at least one threaded zone (4) and finishing in a terminal surface (8) which is orientated radially with respect to the axis (10) of the connection, the male threaded zone (3) having a first portion in which the width of the teeth, CWTp, increases from a value CWTpmin corresponding to the width of the tooth which is closest to the terminal surface (7) of the male end (1) to a value CWTpmax corresponding to the width of the tooth which is furthest from said terminal surface (7), while the width of the teeth CWTb of the female threaded zone (4) decreases from a value CWTbmax corresponding to the width of the tooth which is furthest from the terminal surface (8) of the female end (2) to a value CWTbmin corresponding to the width of the tooth which is closest to said terminal surface (8), such that the threaded zones (3, 4) cooperate in accordance with self-locking make-up, characterized in that:CWTpmin/CWTbmax ≥ 0.2 and CWTbmin/CWTpmax ≤ CWTpmin/CWTbmax
    • 本发明涉及一种螺纹连接,其包括第一和第二管状部件,每个部件设置有相应的阳(1)和阴(2)端,阳端(1)在其外周表面上包括至少一个螺纹 (3)并且在相对于所述连接件的轴线(10)径向定向的端子表面(7)中精加工,所述阴端(2)在其内周表面上包括至少一个螺纹区域(4) )并且在相对于所述连接件的轴线(10)径向取向的端子表面(8)中精加工,所述阳螺纹区域(3)具有第一部分,其中所述齿的宽度CWTp从 对应于最接近阳端(1)的端子表面(7)的齿的宽度的CWTpmin值对应于与所述端子表面(7)最远的齿的宽度相对应的值CWTpmax,而 内螺纹区域(4)的齿轮宽度CWTb减小 从与母端(2)的端子表面(8)最远的齿的宽度对应的值CWTbmax到对应于最接近所述端子表面(8)的齿的宽度的值CWTbmin, ,使得螺纹区域(3,4)根据自锁化妆配合,其特征在于:CWTpmin / CWTbmax = 0.2,CWTbmin / CWTpmax = CWTpmin / CWTbmax
    • 7. 发明申请
    • ASSEMBLY FOR PRODUCING A THREADED CONNECTION FOR DRILLING AND OPERATING HYDROCARBON WELLS, AND RESULTING THREADED CONNECTION
    • 用于生产用于钻井和操作油气井的螺纹连接的组装以及结果螺纹连接
    • WO2015086466A1
    • 2015-06-18
    • PCT/EP2014/076765
    • 2014-12-05
    • VALLOUREC OIL AND GAS FRANCENIPPON STEEL & SUMITOMO METAL CORPORATION
    • MARTIN, PierrePORQUER, Guillaume
    • E21B17/042F16L15/00
    • F16L15/06E21B17/042E21B17/0423F16L15/001F16L2201/40
    • The invention concerns an assembly for producing a threaded connection, comprising a first and a second tubular component with an axis of revolution (10) and each respectively provided at one of their ends (20, 30) with at least a first (21, 31) and a second (22, 32) continuous threaded zone, respectively produced on the outer or inner circumferential surface of the component depending on whether the threaded end is male or female in type, in the form of a first and a second helix each provided with a first (41) and a second (42) taper generatrix, the first threaded zones produced in accordance with the first helix being capable of cooperating together in makeup and the second threaded zones produced in accordance with the second helix being capable of cooperating together in makeup, each of the threaded zones defining a thread profile, viewed in a longitudinal section passing through the axis of revolution, provided with load flanks (21a, 22a, 31a, 32a), stabbing flanks (21b, 22b, 31b, 32b), thread crests (21c, 22c, 31c, 32c), and thread roots (21d, 22d, 31d, 32d), characterized in thatthe height (TH1) of the threads of the first threaded zones and the height (TH2) of the threads of the second threaded zones are each in the range 1 mm to 2.5 mm, and the angle of the load flanks (LFA1, LFA2) of the first and second threaded zones with the normal to the axis of revolution is in the range 1 to 20 degrees, and the angle of the stabbing flanks (SFA1, SFA2) of the first and second threaded zones with the normal to the axis of revolution is in the range 3 to 25 degrees.
    • 本发明涉及一种用于生产螺纹连接的组件,其包括具有旋转轴线(10)的第一和第二管状部件,并且每个部件分别在其端部(20,30)中的一个端部处设置有至少第一(21,31 )和第二(22,32)连续螺纹区域,其分别在组件的外圆周表面或内圆周表面上产生,这取决于螺纹端是螺纹端是阴型还是阴型,分别设置为第一和第二螺旋形式 具有第一(41)和第二(42)锥形母线,根据第一螺旋产生的第一螺纹区能够在组合中协同工作,并且根据第二螺旋产生的第二螺纹区能够协同工作 在构成中,每个螺纹区域限定了在通过旋转轴线的纵向截面中观察到的螺纹轮廓,其具有负载侧面(21a,22a,31a,32a),刺入侧面(21b,22b,31b) ,32b),螺纹牙顶(21c,22c,31c,32c)和螺纹根部(21d,22d,31d,32d),其特征在于,第一螺纹区域的螺纹的高度(TH1)和高度(TH2) 第二螺纹区域的螺纹各自在1mm至2.5mm的范围内,并且与旋转轴线垂直的第一螺纹区域和第二螺纹区域的负载侧面(LFA1,LFA2)的角度在该范围内 1至20度,并且具有垂直于旋转轴线的法线的第一和第二螺纹区域的刺入侧面(SFA1,SFA2)的角度在3至25度的范围内。
    • 8. 发明申请
    • ASSEMBLY FOR PRODUCING A THREADED CONNECTION FOR DRILLING AND OPERATING HYDROCARBON WELLS, AND RESULTING THREADED CONNECTION
    • 用于生产用于钻井和操作油气井的螺纹连接的组装以及结果螺纹连接
    • WO2015007579A1
    • 2015-01-22
    • PCT/EP2014/064636
    • 2014-07-08
    • VALLOUREC OIL AND GAS FRANCENIPPON STEEL & SUMITOMO METAL CORPORATION
    • MARTIN, PierreLEGRAND, BrunoMOREAU, Régis
    • E21B17/042F16L15/00F16L15/06
    • F16L15/06E21B17/042F16L15/001
    • The invention concerns an assembly for producing a threaded connection, comprising a first and a second tubular component with an axis of revolution (10) and each respectively provided at one of their ends (1, 2) with at least a first continuous threaded zone (3, 4) following a first helix on the outer or inner circumferential surface of the component depending on whether the threaded end is male or female in type, and being capable of cooperating together upon makeup, the first threaded zones (3, 4) of the ends (1, 2) having a variable width dovetail thread profile, said ends (1, 2) respectively finishing in a terminal surface (7, 8), at least one of the ends (1, 2) being provided with a lip (12) provided between the threaded zone and the terminal surface, said lip carrying a sealing surface (5) which is capable of cooperating in a sealing interference fit with a corresponding sealing surface (6) disposed facing the other end when the connection is in the made up state, characterized in that the lip (12) is hollowed out by a groove (11) adjoining on the one hand the threaded zone and on the other hand the sealing surface, the length (GL) of the groove being calculated as follows (I).
    • 本发明涉及一种用于生产螺纹连接的组件,包括具有旋转轴线(10)的第一和第二管状部件,并且每个部件分别设置在其端部(1,2)中的一个端部处,至少具有第一连续螺纹区域 3,4)在组件的外周面或内圆周表面上的第一螺旋之后,取决于螺纹端是公形还是阴型,并且能够在化妆时一起配合,第一螺纹区(3,4) 所述端部(1,2)具有可变宽度的燕尾螺纹轮廓,所述端部(1,2)分别在终端表面(7,8)中完成,所述端部(1,2)中的至少一个设置有唇部 (12),其设置在所述螺纹区域和所述端子表面之间,所述唇部承载密封表面(5),所述密封表面(5)能够在所述连接处于所述螺纹区域中时与所述另一端面对的密封表面(6)进行密封过盈配合 组成状态,特点 其特征在于,所述唇缘(12)由与所述螺纹区相邻的凹槽(11)挖空,另一方面是所述密封表面,所述凹槽的长度(GL)按如下(I)计算。
    • 9. 发明申请
    • THREADED CONNECTION
    • 螺纹连接
    • WO2016097049A1
    • 2016-06-23
    • PCT/EP2015/080088
    • 2015-12-16
    • VALLOUREC OIL AND GAS FRANCENIPPON 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。
    • 10. 发明公开
    • THREADED CONNECTION
    • 螺纹连接
    • EP2501974A2
    • 2012-09-26
    • EP10784259.3
    • 2010-11-09
    • Vallourec Mannesmann Oil&Gas FranceSumitomo Metal Industries, Ltd.
    • MARTIN, PierreMAILLON, Bertrand
    • F16L15/06
    • 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.
    • 包括第一管状部件和第二管状部件的螺纹连接1,第一部件包括包括远端表面的阳端和设置在其外周表面上的螺纹区5,第二部件包括阴端,该阴端包括远侧表面和螺纹 区4设置在其内周表面上,阳端的螺纹区5被拧入阴端的螺纹区4中,螺纹区4和5包括相应的阳螺纹和阴螺纹40,50,其宽度增加 从远侧表面开始,螺纹包括在其径向尺寸的至少一部分上具有负角度的负载侧面,以及插入侧面,径向间隙在连接状态下存在于外螺纹的顶部和内螺纹的根部之间 和/或在内螺纹的顶部和外螺纹的根部之间,轴向间隙以s之间的连接状态存在 使阳螺纹和阴螺纹的突舌侧翼,并且使阳端和/或阴端的远侧表面与相应的邻接表面轴向邻接接触。