发明名称 |
Shield apparatus for use in conjunction with a well tool and method for shielding a coil |
摘要 |
A shield apparatus for use in conjunction with a well tool to selectively attenuate one or more electromagnetic energy field components as the components interact with the shield. The shield composed of a flexible strip or conductive body and comprising at least one sloped slot or sloped conductive element therein. The shield being adapted to surround an antenna mounted on a well tool. A method for rotating the axis of the magnetic dipole of a transmitter or receiver coil. A method for winding and shielding an electric coil such that the resultant coil emits or receives selected electromagnetic energy field components. |
申请公布号 |
AU6652900(A) |
申请公布日期 |
2001.06.07 |
申请号 |
AU20000066529 |
申请日期 |
2000.10.13 |
申请人 |
SCHLUMBERGER HOLDINGS LIMITED |
发明人 |
BRIAN CLARK;RICHARD A ROSTHAL;DEAN M HOMAN;DZEVAT OMERAGIC;STEPHEN D BONNER;SCOTT S CHESSER;THOMAS D BARBER |
分类号 |
G01V3/28 |
主分类号 |
G01V3/28 |
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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