REAGENT FOR TREATING DRILLING MUDS AND METHOD FOR PRODUCING SAME von GRACHEVA IRAIDA G,SU, GLEBOV VYACHESLAV A,SU, IVENSKIJ ALEKSEJ P,SU, FIKHMAN VLADIMIR P,SU, BYSTROV MIKHAIL M,SU, YAGODIN VALERIJ D,SU, KURITSYN VLADILEN S,SU, MURAVEVA NINA B,SU, GALICHENKO VLADIMIR P,SU

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APPARATUS FOR RUNNING PIPES INTO WELL von IVENSKIJ ALEKSEJ P,SU, SURKOV NIKOLAJ M,SU, DRAPOV VLADIMIR A,SU, PUGIN IVAN F,SU, AGAMYAN RAFAEL S,SU

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DEVICE FOR SUSPENSION OF FLUSH CASING von IVENSKIJ ALEKSEJ P,SU, RUBINSHTEJN OLEG I,SU, ANOPIN ALEKSANDR G,SU, SARANTSEV VLADIMIR N,SU, ZAZNOBIN NIKOLAJ N,SU

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BUFFER FLUID FOR SEPARATING CEMENTING COMPOSITION AND HYDROCARBON-BASE DRILLING MUD von DANILEVICH PETR M,SU, REZNIKOV ISAAK G,SU, MUKHIN LEONID K,SU, IVENSKIJ ALEKSEJ P,SU, EPIFANOVA TAMARA N,SU, RUBINSHTEJN OLEG I,SU, MOCHALOVA LYUDMILA K,SU, ANOPIN ALEKSANDR G,SU, STARIKOVA TAMARA V,SU, LINCHEVSKIJ FELIKS V,SU, YURKOVA ALEVTINA A,SU

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DRILLING MUD von GRACHEVA IRAIDA G,SU, GLEBOV VYACHESLAV A,SU, LEBEDEV YURIJ I,SU, IVENSKIJ ALEKSEJ P,SU, LIPKES MARK I,SU, ANOPIN ALEKSANDR G,SU, MURAVEVA NINA B,SU

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COMPOSITION FOR PLUGGING OIL AND GAS WELLS von BEZRUKOV ALEKSANDR N,SU, GAJDUKOV DMITRIJ T,SU, STRUBALINA NINA V,SU, GORSHKOV GAVRIIL F,SU, MUKHIN LEONID K,SU, ELKIN VALENTIN I,SU, IVENSKIJ ALEKSEJ P,SU, LEONIDOVA ANNA I,SU, ANOPIN ALEKSANDR G,SU

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