发明名称 |
Method and apparatus for electromagnetic logging with reduction of spurious modes |
摘要 |
The disclosure is directed to an improved method and apparatus for subsurface electromagnetic logging in a borehole wherein means are provided to detect transverse magnetic mode components and to either correct for these spurious components in the processing of the received signals or to generate suitable cancelling signals.
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申请公布号 |
US4659992(A) |
申请公布日期 |
1987.04.21 |
申请号 |
US19850782768 |
申请日期 |
1985.11.04 |
申请人 |
SCHLUMBERGER TECHNOLOGY CORP. |
发明人 |
CLARK, BRIAN;HUCHITAL, GERALD S. |
分类号 |
G01V3/30;(IPC1-7):G01V3/30 |
主分类号 |
G01V3/30 |
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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