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发明名称
Method and apparatus for drilling and re-entering multiple lateral branches in a well
摘要
申请公布号
AU730479(B2)
申请公布日期
2001.03.08
申请号
AU19970039312
申请日期
1997.09.30
申请人
ANADRILL INTERNATIONAL, S.A.
发明人
SPYROS S NITIS;HERVE OHMER;MIKHAIL V GOTLIB
分类号
E21B7/06;E21B7/08;E21B23/02;E21B23/04;E21B29/06;E21B47/024;(IPC1-7):E21B23/02
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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