发明名称 |
Deflection swivel and method |
摘要 |
A deflectable in-line swivel that permits axial deflection of a tubular string is presented. The in-line swivel is preferably constructed as a ball and socket design whereby the ball of a swivel mandrel is permitted to articulate within a socket of a retainer sub. The system preferably includes a thrust bearing to allow the tensile loads to be carried across the swivel.
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申请公布号 |
US7165635(B2) |
申请公布日期 |
2007.01.23 |
申请号 |
US20040708752 |
申请日期 |
2004.03.23 |
申请人 |
SPECIALTY RENTAL TOOL & SUPPLY, LP |
发明人 |
KAUFFMAN VERNON E.;LEETH DOUGLASS B.;LEMKE JOHN A.;SMITH MAX H. |
分类号 |
E21B17/05;E21B17/00;E21B19/00;F16L27/00 |
主分类号 |
E21B17/05 |
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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