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发明名称
Conductive loop for short hop telemetry along a drill string
摘要
申请公布号
GB2344896(A)
申请公布日期
2000.06.21
申请号
GB19990029728
申请日期
1999.12.17
申请人
* DRESSER INDUSTRIES, INC.
发明人
EVAN L * DAVIES;GARY L * DONISON;BOGUSLAW * WIECEK
分类号
E21B4/02;E21B7/06;E21B47/12;(IPC1-7):G08C19/00
主分类号
E21B4/02
代理机构
代理人
主权项
地址
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