Wireless communication using well casing,申请号GB20020020347-传众专利搜索

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发明名称	Wireless communication using well casing
摘要
申请公布号	GB2376968(A)	申请公布日期	2002.12.31
申请号	GB20020020347	申请日期	2001.03.02
申请人	* SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.	发明人	HAROLD J * VINEGAR;ROBERT REX * BURNETT;WILLIAM MOUNTJOY * SAVAGE;FREDERICK GORDON * CARL;ILYA EMIL * BERCHENKO
分类号	E21B17/00;E21B34/06;E21B34/08;E21B34/16;E21B43/12;E21B43/14;E21B47/12;H04B5/00;(IPC1-7):E21B47/12	主分类号	E21B17/00
代理机构		代理人
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