| 发明名称 |
APPARATUS AND METHOD FOR CREATING TUNABLE PRESSURE PULSE |
| 摘要 |
Embodiments disclosed herein relate to downhole tools capable of creating a vibration, and more particularly to methods and apparatus for creating tunable pressure pulses for imparting vibration to a downhole drill string. |
| 申请公布号 |
WO2016041049(A1) |
申请公布日期 |
2016.03.24 |
| 申请号 |
WO2014CA00701 |
申请日期 |
2014.09.19 |
| 申请人 |
ANDERSON, CHARLES ABERNETHY |
发明人 |
CAMPBELL, JOSH |
| 分类号 |
E21B47/22;E21B1/28;E21B4/14;E21B7/24 |
主分类号 |
E21B47/22 |
| 代理机构 |
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