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发明名称
METHOD OF DETERMINING AZIMUTH OF A BOREHOLE
摘要
申请公布号
EP1088152(A1)
申请公布日期
2001.04.04
申请号
EP19990927912
申请日期
1999.06.14
申请人
SHELL INTERNATIONALE RESEARCH
发明人
HARTMANN, ROBIN, ADRIANUS
分类号
E21B47/022;(IPC1-7):E21B47/022
主分类号
E21B47/022
代理机构
代理人
主权项
地址
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