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1. 发明申请

WO2012089305A1 THREADED CONNECTION FOR DRILLING AND WORKING HYDROCARBON WELLS 审中-公开
标题翻译：用于钻井和钻井油井的螺纹连接
公开(公告)号：WO2012089305A1
公开(公告)日：2012-07-05
申请号：PCT/EP2011/006259
申请日：2011-12-12
申请人： VALLOUREC MANNESMANN OIL & GAS FRANCE , SUMITOMO METAL INDUSTRIES, LTD. , CARROIS, Fabien , GALLOIS, Yann , CONRAD, François
发明人： CARROIS, Fabien , GALLOIS, Yann , CONRAD, François
IPC分类号： F16L15/06 , E21B17/042
CPC分类号： F16L15/006 , E21B17/042 , F16L15/06
摘要： 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 at least one threaded zone (3) on its external peripheral surface and ending in a terminal surface (7), the female end (2) comprising at least one threaded zone (4) on its internal peripheral surface and ending in a terminal surface (8), the threaded zones (3; 4) comprising, over at least a portion of their length, threads (32, 42) each comprising, viewed in longitudinal section passing through the axis of the tubular component, a thread crest (36, 46), a thread root (35, 45), a load flank (30; 40) and a stabbing flank (31; 41), characterized in that the profiles of the male and female load flanks (30; 40), viewed in longitudinal section passing through the axis of revolution (10) of the connection, are a continuous curve with a convex or concave form, the profile of the male flanks being complementary to that of the female flanks over at least 70%, preferably 90% of said continuous curve.
摘要翻译：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）在其外部包括至少一个螺纹区（3）所述阴端（2）在其内周表面上包括至少一个螺纹区域（4），并且终止于端子表面（8），所述螺纹区域（3; 4）在其长度的至少一部分上包括螺纹（32,42），每个螺纹（32,42）在穿过管状部件的轴线的纵向截面中包括螺纹牙（36,46），螺纹根部（35,45），负载侧面（30; 40）和刺入侧面（31; 41），其特征在于，在穿过旋转轴线（10）的纵向截面中看到的阳和阴负载侧面（30; 40）的连接，是具有凸形或凹形形状的连续曲线，雄性侧面的轮廓是互补的相对于雌性侧翼的至少70％，优选为所述连续曲线的90％。

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