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发明名称
Tool for treating subterranean wells
摘要
申请公布号
EP0372594(B1)
申请公布日期
1996.09.25
申请号
EP19890202713
申请日期
1989.10.27
申请人
SOFITECH N.V.;COMPAGNIE DES SERVICES DOWELL SCHLUMBERGER
发明人
MULLER, LAURENT;RANDERMANN, ERVIN
分类号
E21B23/00;E21B33/124;E21B34/12;(IPC1-7):E21B33/124;B23P15/00
主分类号
E21B23/00
代理机构
代理人
主权项
地址
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