| 发明名称 |
IMPROVEMENTS IN OR RELATING TO CENTRALISERS |
| 摘要 |
A centraliser (110) comprises longitudinally spaced collars (115, 120) connected by a plurality of springs (125), each of the springs (125) comprising two or more bow sections (127, 128, 129). |
| 申请公布号 |
WO2016030689(A1) |
申请公布日期 |
2016.03.03 |
| 申请号 |
WO2015GB52492 |
申请日期 |
2015.08.27 |
| 申请人 |
REECE INNOVATION CENTRE LIMITED |
发明人 |
MARTIN, JAMES EDWARD;MATTISON, MARK;SAMIOTIS, EVANGELOS;WILKINSON, ALEXANDER |
| 分类号 |
E21B17/10 |
主分类号 |
E21B17/10 |
| 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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