发明名称 |
SEMI-CONDUCTIVE SHELL FOR SOURCES AND SENSORS |
摘要 |
A composite shell adapted to cover a source or sensor, particularly for subsurface applications. The shell provides transparency to the passage of signals to o r from the source or sensor. The shell is adapted with a uniform semi-conductive surface providin g a path for electric currents flowing within a subsurface borehole to short near the source or sensor.
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申请公布号 |
CA2482384(A1) |
申请公布日期 |
2005.03.25 |
申请号 |
CA20042482384 |
申请日期 |
2004.09.22 |
申请人 |
SCHLUMBERGER CANADA LIMITED |
发明人 |
HOMAN, DEAN M.;DAVYDYCHEVA, SOFIA;MINERBO, GERALD N. |
分类号 |
G01V3/30;(IPC1-7):E21B47/01;H01Q1/00 |
主分类号 |
G01V3/30 |
代理机构 |
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代理人 |
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