发明名称 APPLIANCE FOR AFTER-FIXATION OF THREADED JOINTS OF DRIVE PIPES IN WELL
摘要 Appliance for after-fixation of threaded joints of drive pipes in well suitable for use at liquidation of non-tightness of threaded joints of drive pipes in well at such non-tightness coming to existence in any part of drive pipe and independently of geological cut of well.
申请公布号 UA25159(U) 申请公布日期 2007.07.25
申请号 UA20070003494 申请日期 2007.03.30
申请人 BILETSKYI YAROSLAV SEMENOVYCH;KOLOS IHOR YAROSLAVOVYCH;KOTSKULYCH YAROSLAV STEPANOVYCH;BILETSKYI MYROSLAV SEMENOVYCH 发明人 BILETSKYI YAROSLAV SEMENOVYCH;KOLOS IHOR YAROSLAVOVYCH;KOTSKULYCH YAROSLAV STEPANOVYCH;BILETSKYI MYROSLAV SEMENOVYCH
分类号 E21B17/00 主分类号 E21B17/00
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