发明授权
- 专利标题： Electromagnetic methods and apparatus for determining the content of subterranean reservoirs
- 专利标题（中）： 用于确定地下储层含量的电磁方法和装置
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申请号： US10214377申请日： 2002-08-07
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公开(公告)号： US06696839B2公开(公告)日： 2004-02-24
- 发明人: Svein Ellingsrud , Terje Eidesmo , Harald Westerdahl , Fan-Nian Kong
- 申请人： Svein Ellingsrud , Terje Eidesmo , Harald Westerdahl , Fan-Nian Kong
- 主分类号： G01V308
- IPC分类号： G01V308
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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