REAGENT FOR TREATING CLAYLESS DRILLING FLUIDS von CHABINA TATYANA V, NATSEPINSKAYA ALEKSANDRA M, GREBNEVA FAINA N, KRYSIN NIKOLAJ I

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CLAY DRILLING MORTAR von MINAEVA RAISA M, NATSEPINSKAYA ALEKSANDRA M, SUKHIKH YURIJ M, GREBNEVA FAINA N, KRYSIN NIKOLAJ I

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CLAYLESS DRILLING SOLUTION von MINAEVA RAISA M, NATSEPINSKAYA ALEKSANDRA M, SUKHIKH YURIJ M, GREBNEVA FAINA N, KRYSIN NIKOLAJ I, KRAPIVINA TATYANA N, SOBOLEVA TATYANA I

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GEL-FORMING CEMENTATION COMPOSITION FOR INSULATION CAVITY PART OF HOLE SHAFT DURING DRILLING PROCESSES von KRYSIN NIKOLAJ I,SU, GREBNEVA FAINA N,SU, ISHMUKHAMETOVA ALEKSANDRA M,SU, KARAVAEV VITALIJ A,SU

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COMPOSITION FOR INSULATING CAVERNOUS SECTION OF HOLE SHAFT von KRYSIN NIKOLAJ I,SU, GREBNEVA FAINA N,SU, ISHMUKHAMETOVA ALEKSANDRA M,SU, KARAVAEV VITALIJ A,SU

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MINERALIZED CLAY-FREE MUD AND PROCESS FOR PREPARING THEREOF von SUKHIKH YURIJ M,SU, KRYSIN NIKOLAJ I,SU, GREBNEVA FAINA N,SU, ISHMUKHAMETOVA ALEKSANDRA M,SU

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METHOD FOR BUILDING ANTISEEPAGE SCREEN OF SETTLER BASIN von PYANKOV VLADIMIR A,SU, SUKHIKH YURIJ M,SU, GAVRILOV VIKTOR V,SU, KRYSIN NIKOLAJ I,SU, ALEKSEEV NIKOLAJ M,SU, GREBNEVA FAINA N,SU, ISHMUKHAMETOVA ALEKSANDRA M,SU, PERMYAKOV ALEKSANDR P,SU, KARAVAEV VITALIJ A,SU, ANDREEV VLADIMIR K,SU, MAVLYUTOV MIDKHAT R,SU

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