DRILL PIPE von SUBBOTIN STANISLAV S, BONDAREV ALEKSANDR B, SHCHAVELEV NIKOLAJ L, SABIRZYANOV SADYK A, GORELOV VIKTOR I, EROKHIN VLADIMIR F, KONDRATEV EDUARD P, PLODUKHIN YURIJ P

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DOWNFACE PULSATOR von POLSHAKOV IVAN S, NETISOV GENNADIJ V, SHASHKOV VLADIMIR A, SHCHAVELEV NIKOLAJ L, MATVEENKO LARION M, GALICHENKO VLADIMIR P, FENOGENOV GEORGIJ V, RAZUVAEV VLADIMIR D, LARIN ANATOLIJ G, LUZYANIN GENNADIJ S

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VALVE FOR DRILL PUMPING STRING von SHCHAVELEV NIKOLAJ L,SU, KRIST MARAT O,SU, ZVEREV VALERIJ P,SU, SUTUGIN PAVEL K,SU, BUDAJTIS VLADIMIR G,SU

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TURBO-DRILL RESOURCE CHECKING METHOD von BOGDANOV VLADIMIR L,SU, SHCHAVELEV NIKOLAJ L,SU, ORLIKOVSKIJ ALEKSANDR N,SU, PLODUKHIN YURIJ P,SU, BAM VYACHESLAV YA,SU

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WELL-CEMENTING APPARATUS von SHCHAVELEV NIKOLAJ L,SU, ALCHINA SVETLANA I,SU, KOLOTOV ANATOLIJ V,SU, SAFIULLIN MIDKHAT N,SU, SHCHIPACHEV VLADIMIR F,SU, PRASOLOV VALENTIN A,SU

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PLUGGING COMPOSITION FOR CONSOLIDATING OIL AND GAS WELLS von GOLYSHKINA LYUTSIYA S,SU, SHCHAVELEV NIKOLAJ L,SU, KATEEV IREK S,SU, KUROCHKIN BORIS M,SU, PERLINA ZHANNA V,SU, KRIST MARAT O,SU, GORBUNOVA IRINA V,SU, ZACHESOVA GALINA N,SU, PEROV ANATOLIJ V,SU

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WELL-CEMENTING DEVICE von SKVORTSOV YURIJ P,SU, SHCHAVELEV NIKOLAJ L,SU, SIZOV YURIJ I,SU, KOLOTOV ANATOLIJ V,SU, ZHURAVLEV VIKTOR S,SU, SHCHIPACHEV VLADIMIR F,SU, PRASOLOV VALENTIN A,SU

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