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发明名称
Downhole steering tool having a non-rotating bendable section
摘要
申请公布号
GB2427222(B)
申请公布日期
2010.10.20
申请号
GB20060012055
申请日期
2006.06.16
申请人
PATHFINDER ENERGY SERVICES, INC;SMITH INTERNATIONAL INC
发明人
MICHAEL J MOODY;HAOSHI SONG;JAY MILTON EPPINK;WILLIAM C PALUCH
分类号
E21B7/04;E21B17/20
主分类号
E21B7/04
代理机构
代理人
主权项
地址
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