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发明名称
METHODS AND APPARATUS FOR SAFELY MEASURING DOWNHOLE CONDITIONS AND FORMATION CHARACTERISTICS WHILE DRILLING A BOREHOLE
摘要
申请公布号
EP0282402(A3)
申请公布日期
1989.10.25
申请号
EP19880400497
申请日期
1988.03.03
申请人
SCHLUMBERGER LIMITED;SOCIETE DE PROSPECTION ELECTRIQUE SCHLUMBERGER
发明人
WRAIGHT, PETER;MARIENBACH, EDOUARD;HACHE, JEAN-MICHEL;EVANS, MIKE;RHEIN-KNUDSEN, ERIK
分类号
E21B17/10;E21B23/03;E21B47/01;G01V5/04;(IPC1-7):E21B47/00
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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