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发明名称
Fremgangsmåter for åpenhulls sandpakking med ekspanderbare filtre
摘要
申请公布号
NO20013594(D0)
申请公布日期
2001.07.20
申请号
NO20010003594
申请日期
2001.07.20
申请人
HALLIBURTON ENERGY SERVICES INC
发明人
ECHOLS, RALPH H.;SHY, PERRY C.
分类号
E21B43/08;E21B43/10;(IPC1-7):E21B
主分类号
E21B43/08
代理机构
代理人
主权项
地址
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