发明名称 |
A COMPACT WIRELESS TRANSCEIVER |
摘要 |
<p>A communication device for an electromagnetic telemetry system for use in a well is adapted to be attached to a conductive pipe of the well and includes at least one transmitter unit for emitting a modulated electrical current in the pipe and at least one receiver unit for receiving the modulated electrical current transmitted in the pipe, the transmitter unit and the receiver unit each comprising an antenna with a magnetic core and a winding around the magnetic core, wherein the antenna is oriented such that the magnetic moment of the winding is tangential to the cross-section of the pipe for respectively emitting and receiving the modulated electrical current.</p> |
申请公布号 |
WO2010075985(A1) |
申请公布日期 |
2010.07.08 |
申请号 |
WO2009EP09119 |
申请日期 |
2009.12.17 |
申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER TECHNOLOGY B.V.;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER CANADA LIMITED;PRAD RESEARCH AND DEVELOPMENT LIMITED;SALAMITOU, PHILIPPE;SCHMITT, BENOIT |
发明人 |
SALAMITOU, PHILIPPE;SCHMITT, BENOIT |
分类号 |
E21B47/01;E21B47/12;G01V11/00 |
主分类号 |
E21B47/01 |
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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