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经营范围
发明名称
Mono-diameter wellbore casing
摘要
申请公布号
GB0308290(D0)
申请公布日期
2003.05.14
申请号
GB20030008290
申请日期
2000.02.23
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
分类号
E21B33/10;E21B43/10
主分类号
E21B33/10
代理机构
代理人
主权项
地址
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