WELL DRILLING DEVICE
DERKACH NIKOLAJ D,SU, INDRUPSKIJ DAVID I,SU, BERGSHTEJN OLEG YU,SU, VOROZHBITOV MARAT I,SU
Year of Publication 23.10.1992
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Year of Publication 23.10.1992
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CORING DEVICE
INDRUPSKIJ DAVID I,SU, BERGSHTEJN OLEG YU,SU, IVANOV EVGENIJ A,SU, VOROZHBITOV MARAT I,SU
Year of Publication 15.07.1992
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Year of Publication 15.07.1992
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CORE-TAKING TOOL
BERGSHTEJN OLEG YU,SU, IVANOV EVGENIJ A,SU, VELIKOSELSKIJ MARK A,SU, VOROZHBITOV MARAT I,SU
Year of Publication 30.09.1989
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Year of Publication 30.09.1989
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BOREHOLE EXPANDER
INDRUPSKIJ DAVID I,SU, BERGSHTEJN OLEG YU,SU, VELIKOSELSKIJ MARK A,SU, VOROZHBITOV MARAT I,SU
Year of Publication 30.03.1989
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Year of Publication 30.03.1989
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HOLE-BOTTOM SLURRY COLLECTOR
INDRUPSKIJ DAVID I,SU, BERGSHTEJN OLEG YU,SU, VELIKOSELSKIJ MARK A,SU, VOROZHBITOV MARAT I,SU
Year of Publication 30.12.1986
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Year of Publication 30.12.1986
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METHOD OF DIRECTING DRILLING TOOL IN HOLE
BERGSHTEJN OLEG YU,SU, GRINEVSKIJ IGOR N,SU, VELIKOSELSKIJ MARK A,SU, VOROZHBITOV MARAT I,SU
Year of Publication 30.12.1986
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Year of Publication 30.12.1986
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CORING APPARATUS
INDRUPSKIJ DAVID I,SU, BERGSHTEJN OLEG YU,SU, TAKH ALEKSANDR V,SU, YAGODKIN VLADIMIR V,SU, VOROZHBITOV MARAT I,SU
Year of Publication 15.02.1993
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Year of Publication 15.02.1993
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BIT FOR STARTING A NEW BOREHOLE
INDRUPSKIJ DAVID I,SU, BERGSHTEJN OLEG YU,SU, VELIKOSELSKIJ MARK A,SU, VOROZHBITOV MARAT I,SU
Year of Publication 15.11.1986
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Year of Publication 15.11.1986
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HOLE-EXPANDING TOOL
INDRUPSKIJ DAVID I,SU, BERGSHTEJN OLEG YU,SU, VELIKOSELSKIJ MARK A,SU, VOROZHBITOV MARAT I,SU
Year of Publication 07.07.1984
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Year of Publication 07.07.1984
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APPARATUS FOR INDEXING THE HOLE-BOTTOM ENGINE
BERGSHTEJN OLEG YU,SU, PODDUBNYJ EDUARD G,SU, VELIKOSELSKIJ MARK A,SU, VOROZHBITOV MARAT I,SU
Year of Publication 15.05.1982
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Year of Publication 15.05.1982
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CORE DRILLING TOOL
KOKORIN NIKOLAJ V,SU, BERGSHTEJN OLEG YU,SU, VELIKOSELSKIJ MARK A,SU, VUGIN ROBERT B,SU
Year of Publication 30.12.1980
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Year of Publication 30.12.1980
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CORE RECEIVING DEVICE
BERGSHTEJN OLEG YU,SU, TIMOFEEV NIKOLAJ S,SU, VELIKOSELSKIJ MARK A,SU, VUGIN ROBERT B,SU
Year of Publication 05.12.1978
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Year of Publication 05.12.1978
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STRING OF TOOLS FOR DRILLING WITH CORE TAKING
EDELMAN YAKOV A,SU, BERGSHTEJN OLEG YU,SU, POLSHKOV VLADIMIR K,SU, VOROZHBITOV MARAT ,SU
Year of Publication 25.06.1978
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Year of Publication 25.06.1978
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APPARATUS FOR MEASURING THE AZIMUTH OF BOREHOLE
INDRUPSKIJ DAVID I,SU, ALEKSEEV LUVI G,SU, BERGSHTEJN OLEG YU,SU, VELIKOSELSKIJ MARK A,SU, VOROZHBITOV MARAT I,SU
Year of Publication 15.03.1987
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Year of Publication 15.03.1987
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METHOD OF ELIMINATING OIL AND GAS MANIFESTATIONS OF A WELL
BERGSHTEJN OLEG YU,SU, IVANOV EVGENIJ A,SU, KIREEV ANATOLIJ M,SU, VELIKOSELSKIJ MARK A,SU, VOROZHBITOV MARAT I,SU
Year of Publication 30.03.1986
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Year of Publication 30.03.1986
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