| 发明名称 |
WELL FLOW SENSING APPARATUS |
| 摘要 |
<p>of the Invention. Apparatus for sensing the flow from a pumped well and for generating signals indicative of that flow includes an orifice flow sensing system adapted to be placed into the flowline of a pumped well and being operably connected to an electro-mechanical signal switch. 1a</p> |
| 申请公布号 |
CA1042782(A) |
申请公布日期 |
1978.11.21 |
| 申请号 |
CA19760247288 |
申请日期 |
1976.03.08 |
| 申请人 |
DRESSER INDUSTRIES, INC. |
发明人 |
JETT, MARION B.;JACKSON, JAY W.;IRBY, RICHARD E. |
| 分类号 |
E21B47/10;G01P5/02;G01P13/00;H01H35/40;(IPC1-7):21B47/00 |
主分类号 |
E21B47/10 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
