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发明名称
Well screen with a shroud connected by a retainer
摘要
申请公布号
GB2489634(A)
申请公布日期
2012.10.03
申请号
GB20120012732
申请日期
2009.07.03
申请人
HALLIBURTON ENERGY SERVICES, INC.
发明人
WILLIAM M RICHARDS;TOMMY F GRIGSBY
分类号
E21B43/08;E03B3/18;E21B17/02
主分类号
E21B43/08
代理机构
代理人
主权项
地址
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