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发明名称
System and method for drilling wellbores
摘要
申请公布号
GB0416547(D0)
申请公布日期
2004.08.25
申请号
GB20040016547
申请日期
2004.07.24
申请人
SCHLUMBERGER HOLDINGS LIMITED
发明人
分类号
E21B4/04;E21B4/18;E21B7/04;E21B21/00;E21B23/14
主分类号
E21B4/04
代理机构
代理人
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地址
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