| 发明名称 |
ANTENNA FOR A LOGGING-WHILE-DRILLING TOOL |
| 摘要 |
A downhole tool includes a chassis having a bore formed axially-therethrough. An antenna is positioned radially-outward from the chassis. A collar is positioned radially-outward from the antenna. A window is defined radially-through the collar. An insert is positioned in the window. The insert is made at least partially of a ceramic material. |
| 申请公布号 |
WO2017048506(A1) |
申请公布日期 |
2017.03.23 |
| 申请号 |
WO2016US49549 |
申请日期 |
2016.08.31 |
| 申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION;SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER TECHNOLOGY B.V. |
发明人 |
TRUSHIN, Alexander;ZHAO, Tianxia |
| 分类号 |
E21B47/00;G01V3/18;H01Q1/22 |
主分类号 |
E21B47/00 |
| 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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