发明名称 |
Couplings for expandable tubular |
摘要 |
An expandable tubular for use in a wellbore includes: a pin formed at a first longitudinal end of the expandable tubular; a box formed at a second longitudinal end of the expandable tubular; a tubular body connecting the pin and the box; and an elastomeric seal disposed in a groove of the box. Each of the pin and box has: a torque shoulder; and a thread. The pin has an asymmetric protrusion formed on an inner surface thereof. |
申请公布号 |
GB2528594(A) |
申请公布日期 |
2016.01.27 |
申请号 |
GB20150016368 |
申请日期 |
2014.03.13 |
申请人 |
WEATHERFORD/LAMB INC. |
发明人 |
RICHARD W DELANGE;SCOTT H OSBURN;SYED HOSSAIN |
分类号 |
E21B43/10;F16L13/14;F16L15/00 |
主分类号 |
E21B43/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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