发明名称 METHOD OF FLOW STRING CHECKING FOR TIGHTNESS
摘要 oil producing industry, particularly, methods of checking oil well flow string for tightness. SUBSTANCE: essence of the invention consists in that arrangement comprising packer, remote reading and independent pressure gages and hydraulic anchor is lowered on logging cable into well to check well by intervals from bottom upward and from top downward. In this case, independent pressure gage is connected to hydraulic anchor and controls over tightness of packer which has channel for transmission of liquid pressure to hydraulic anchor. EFFECT: higher efficiency due to simplified design of equipment, reduced metal content, reliable sealing and control over operation of hydromechanical packer. 2 dwg, 1 tbl
申请公布号 RU2165001(C2) 申请公布日期 2001.04.10
申请号 RU19990107247 申请日期 1999.04.07
申请人 NURETDINOV JAZKAR KARAMOVICH;KUDASHEV PAVEL MIKHAJLOVICH;NIGMATULLIN RASHID KARIMOVICH;IVANOV VLADIMIR ALEKSANDROVICH;IPPOLITOV ANATOLIJ PETROVICH;KUZNETSOVA GALINA PAVLOVNA 发明人 NURETDINOV JA.K.;KUDASHEV P.M.;NIGMATULLIN R.K.;IVANOV V.A.;IPPOLITOV A.P.;KUZNETSOVA G.P.
分类号 E21B17/00;G01M3/28;(IPC1-7):E21B17/00 主分类号 E21B17/00
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