| 发明名称 |
DOWNHOLE PROPULSION APPARATUS |
| 摘要 |
<p>A downhole propulsion apparatus comprising at least one pliant or deformable propulsion wheel, wherein the wheel is configured to engage a passage wall and be rotated to propel the apparatus through a passage and wherein the apparatus is configured to exert a contact pressure or force of less than 1000psi or 7500lbs or 7MPa or 33.4kN per wheel; and an associated system and method of propelling a downhole propulsion apparatus.</p> |
| 申请公布号 |
WO2015036574(A3) |
申请公布日期 |
2015.06.25 |
| 申请号 |
WO2014EP69555 |
申请日期 |
2014.09.12 |
| 申请人 |
MAERSK OLIE OG GAS A/S |
发明人 |
DAVIES, JOHN;VAN DONGEN, HANS |
| 分类号 |
E21B23/00;E21B23/14 |
主分类号 |
E21B23/00 |
| 代理机构 |
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