| 发明名称 |
ACOUSTIC INDICATOR FOR WELLS |
| 摘要 |
<p>The passage of materials in a well casing is detected and monitored acoustically. This is especially useful for detecting the passage of cement plugs. An acoustic indicator system for use in the method comprises a microphone (10) to be placed in the well, a recording means (50) connected to the microphone, and headphones (90).</p> |
| 申请公布号 |
EP0108534(A3) |
申请公布日期 |
1985.12.11 |
| 申请号 |
EP19830306377 |
申请日期 |
1983.10.20 |
| 申请人 |
HALLIBURTON COMPANY |
发明人 |
CARTER, ERNEST EUGENE, JR. |
| 分类号 |
E21B33/05;E21B47/00;E21B47/09;E21B47/16;G01H1/00;G01V1/46;(IPC1-7):G01H1/00 |
主分类号 |
E21B33/05 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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