| 发明名称 |
COUPLING, DOWNHOLE DEVICE, ASSEMBLY AND METHOD |
| 摘要 |
<p>A downhole device having a body comprising a male end portion, a female end portion and a mandrel portion disposed between the male end portion and the female end portion. A recess is disposed in the outer surface of the male end portion and is configured to receive a retainer for securing the downhole device to another downhole device.</p> |
| 申请公布号 |
CA2884226(A1) |
申请公布日期 |
2015.09.14 |
| 申请号 |
CA20152884226 |
申请日期 |
2015.03.11 |
| 申请人 |
RUBBERATKINS LIMITED |
发明人 |
ATKINS, NICHOLAS;HARE, DAVID M.;AVANASHIAPPAN, VIJAYAMIRTHARAJ;SPALDING, CRAIG |
| 分类号 |
E21B23/00;E21B31/20;E21B41/00 |
主分类号 |
E21B23/00 |
| 代理机构 |
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代理人 |
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