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发明名称
METHOD OF RELEASING PIPE STRING CAUGHT IN HOLE
摘要
申请公布号
SU1135894(A1)
申请公布日期
1985.01.23
申请号
SU19833582877
申请日期
1983.02.17
申请人
SP K BYURO I MATEMATIKI MEKHANIKI AN AZSSR
发明人
ISKENDER-ZADE FUAD A,SU;ABBASOV ASKERALI T,SU;GADZHIEV YASHAR A,SU;GALPERIN NISON R,SU;GOROVITS PETR G,SU
分类号
E21B31/00;E21B23/00;(IPC1-7):E21B23/00
主分类号
E21B31/00
代理机构
代理人
主权项
地址
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