| 发明名称 |
Electromagnetic methods and apparatus for determining the content of subterranean reservoirs |
| 摘要 |
A system for investigating subterranean strata. An electromagnetic field is applied using a fixed dipole antenna transmitter and this is detected using a dipole antenna receiver. The receiver is moved from one location to another in dependence upon the strength of the detected signal.
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| 申请公布号 |
US6864684(B2) |
申请公布日期 |
2005.03.08 |
| 申请号 |
US20040770115 |
申请日期 |
2004.02.02 |
| 申请人 |
STATOIL ASA |
发明人 |
ELLINGSRUD SVEIN;EIDESMO TERJE;WESTERDAHL HARALD;KONG FAN-NIAN |
| 分类号 |
G01V3/12;G01V3/165;(IPC1-7):G01V3/08 |
主分类号 |
G01V3/12 |
| 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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