发明名称 |
SLEEVE FOR LOGGING WHILE DRILLING ELECTROMAGNETIC SENSOR |
摘要 |
An apparatus for measuring a characteristic of an earth formation includes a drill collar configured to be inserted into a borehole of the earth formation, an electromagnetic sensor on the drill collar, and a non-conductive sleeve surrounding a circumference of the drill collar including the electromagnetic sensor and configured to press directly against the electromagnetic sensor.
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申请公布号 |
US2013277114(A1) |
申请公布日期 |
2013.10.24 |
申请号 |
US201213449940 |
申请日期 |
2012.04.18 |
申请人 |
HOOK JONATHAN F.;GROWEG JOHN F.;BAKER HUGHES INCORPORATED |
发明人 |
HOOK JONATHAN F.;GROWEG JOHN F. |
分类号 |
E21B49/00 |
主分类号 |
E21B49/00 |
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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