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发明名称
DEVICE FOR RUNNING DOWNHOLE TOOL UNDER THE PUMP THROUGH THE ANNULUS
摘要
申请公布号
SU1686142(A1)
申请公布日期
1991.10.23
申请号
SU19894727192
申请日期
1989.08.04
申请人
VNII NEFTEPROMY GEOFIZ
发明人
GABDULLIN TIMERKHAT G,SU;SHATUNOV ANATOLIJ S,SU;RUBLIK NADEZHDA P,SU;TSAREGORODTSEV ALEKSANDR A,SU
分类号
E21B47/01;E21B33/03;E21B47/00
主分类号
E21B47/01
代理机构
代理人
主权项
地址
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