首页> 外国专利> Low break out safety joint and method for releasably connecting a tubing expansion assembly to a drill string

Low break out safety joint and method for releasably connecting a tubing expansion assembly to a drill string

机译：低断裂安全接头和用于将油管扩展组件可释放地连接到钻柱的方法

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摘要

A low break out screw threaded safety joint for releasably connecting a Bottom Hole Assembly (BHA) of a well tubular expansion assembly to a drill string comprises a pair of intermeshing TOothed MAte (TOMA) rings (24) with intermeshing sawtooth profiles (25,26) teethed profiles that have a low break out performance upon reverse rotation of the drill string relative to the BHA, which may be stuck within the wellbore.

机译：一种低断口螺纹安全接头，用于将井管膨胀组件的底孔组件（BHA）可释放地连接到钻柱，该安全接头包括一对相互啮合的齿状磨砂（TOMA）环（ 24 ），相互啮合的锯齿形齿形（ 25,26 ）齿形齿形，当钻柱相对于BHA反向旋转时，其断面性能低，可能会卡在井眼中。 展开▼

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公开/公告号US10287827B2

专利类型

公开/公告日2019-05-14

原文格式PDF

申请/专利权人 SHELL OIL COMPANY;
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申请/专利号US201715398501

发明设计人 CAN ALTUNLU;WISSAM ASSAAD;DJURRE HANS ZIJSLING;
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申请日2017-01-04

分类号E21B17/06;E21B43/10;

国家 US

入库时间 2022-08-21 12:16:00

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3. LOW BREAK OUT SAFETY JOINT AND METHOD FOR RELEASABLY CONNECTING A TUBING EXPANSION ASSEMBLY TO A DRILL STRING [P] . 世界知识产权组织专利： WO2017001668A1 . 2017-01-05

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