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发明名称
Flow diverter for drilling
摘要
申请公布号
GB2454895(B)
申请公布日期
2012.01.11
申请号
GB20070022882
申请日期
2007.11.22
申请人
SCHLUMBERGER HOLDINGS LIMITED
发明人
HENRI DENOIX;CHARLES DEIBLE
分类号
E21B21/10;E21B17/20;E21B34/00;E21B43/12
主分类号
E21B21/10
代理机构
代理人
主权项
地址
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