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发明名称
Bottom hole assembly
摘要
申请公布号
GB2412392(B)
申请公布日期
2006.08.30
申请号
GB20050005455
申请日期
2005.03.17
申请人
SCHLUMBERGER HOLDINGS LIMITED
发明人
BENJAMIN PETER JEFFRYES
分类号
E21B10/26;E21B;E21B7/28;E21B10/32;E21B10/40;E21B17/07;E21B17/10;E21B44/00;E21B47/12
主分类号
E21B10/26
代理机构
代理人
主权项
地址
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