发明名称 |
Multi-axial antenna and method for use in downhole tools |
摘要 |
<p>Multi-axial antenna system comprising three co-located coils (104, 106, 108) wound around a torroidal-shaped bobbin (102). Each coil generates a magnetic field in a mutually orthogonal direction. The coils are received in respective sets of grooves in the bobbin.</p> |
申请公布号 |
EP2824760(A1) |
申请公布日期 |
2015.01.14 |
申请号 |
EP20140181867 |
申请日期 |
2006.09.15 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
KNIZHNIK, SERGEY |
分类号 |
H01Q1/04;G01V3/28;H01Q3/26;H01Q7/00;H01Q25/00 |
主分类号 |
H01Q1/04 |
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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