| 发明名称 |
Down-Hole Swivel Sub |
| 摘要 |
The present disclosure relates to a down-hole swivel sub (10) for connection in a work-string between a work-string and a down-hole apparatus, the sub comprising a first substantially cylindrical body (12) with a sleeve portion (22), a second substantially cylindrical body (28) being partially located within the sleeve portion (22) and the bodies being arranged to rotate relative to each other; and a clutch (90) disposed between said first and second substantially tubular bodies. |
| 申请公布号 |
US2014299379(A1) |
申请公布日期 |
2014.10.09 |
| 申请号 |
US201214232892 |
申请日期 |
2012.07.16 |
| 申请人 |
Hyland Ross;Pollock Ian;Hanton John;Marr Graeme Thomas |
发明人 |
Hyland Ross;Pollock Ian;Hanton John;Marr Graeme Thomas |
| 分类号 |
E21B12/00 |
主分类号 |
E21B12/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A down-hole swivel sub for connection in a work-string between a work-string and a down-hole apparatus, the sub comprising a first substantially cylindrical body with a sleeve portion, a second substantially cylindrical body being partially located within the sleeve portion and the bodies being arranged to rotate relative to each other; and a clutch disposed between said first and second substantially tubular bodies. |
| 地址 |
Aberdeenshire GB |
