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发明名称
DOWNHOLE EQUIPMENT
摘要
申请公布号
EP0862679(A1)
申请公布日期
1998.09.09
申请号
EP19960939995
申请日期
1996.11.25
申请人
THE RED BARON (OIL TOOLS RENTAL) LIMITED
发明人
MCGARIAN, BRUCE;TULLOCH, RORY, MCGRAE
分类号
E21B4/00;E21B4/18;E21B17/02;E21B17/05;E21B23/04;E21B31/18;(IPC1-7):E21B17/02
主分类号
E21B4/00
代理机构
代理人
主权项
地址
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