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经营范围
发明名称
Method for detecting fractures in a formation penetrated by a borehole
摘要
申请公布号
GB1116406(A)
申请公布日期
1968.06.06
申请号
GB19650024664
申请日期
1965.06.10
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V.
发明人
分类号
E21B47/02;G01V1/44
主分类号
E21B47/02
代理机构
代理人
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地址
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