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发明名称
Device and method for measurement by guided waves on a metal string in a well
摘要
申请公布号
GB0100779(D0)
申请公布日期
2001.02.21
申请号
GB20010000779
申请日期
1999.06.17
申请人
DEN NORSKE STATS OLJESELSKAP A.S;NORGES GEOTEKNISKE INSTITUTT
发明人
分类号
G01V3/30
主分类号
G01V3/30
代理机构
代理人
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地址
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