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发明名称
Expandable wellbore junction and drifting device
摘要
申请公布号
GB2418689(A)
申请公布日期
2006.04.05
申请号
GB20050025288
申请日期
2003.04.28
申请人
HALLIBURTON ENERGY SERVICES, INC.
发明人
DAVID J STEELE;ERNEST C BAILEY;JODY R MCGLOTHEN
分类号
E21B43/10;E21B41/00
主分类号
E21B43/10
代理机构
代理人
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地址
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