| 发明名称 |
Acoustic determination of the position of a piston with buffer rods |
| 摘要 |
An apparatus having a transducer configured to generate acoustic energy, a buffer rod with a first end and a second end, the transducer in contact with the first end, a cylinder configured to define a volume, the second end of the buffer rod abutting the cylinder; and a piston within the cylinder. |
| 申请公布号 |
US9422807(B2) |
申请公布日期 |
2016.08.23 |
| 申请号 |
US201313935243 |
申请日期 |
2013.07.03 |
| 申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
Goodwin Anthony R. H.;Milne Jason S. |
| 分类号 |
E21B47/10;E21B49/08 |
主分类号 |
E21B47/10 |
| 代理机构 |
|
代理人 |
Kincaid Kenneth L. |
| 主权项 |
1. A downhole apparatus, comprising:
a transducer configured to generate acoustic energy; a stationary buffer rod with a first end and a second end, the transducer in direct contact with the first end; a cylinder configured to define a volume, the second end of the stationary buffer rod abutting the cylinder; and a piston within the cylinder. |
| 地址 |
Sugar Land TX US |
