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RU

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2 044 860

(13)

C1

(51)

IPC

(21) (22)

Application

5063549/03, 1992-09-29

(22)

Actual filing date

1992-09-29

(45)

Published

1995-09-27

(72)

Inventor

Anikin Anatolij Afanas'Evich[Ru]Anikin Andrej Anatol'Evich[Ru]Glinskij Adol'F Evgen'Evich[Ru]Razuvaev Vladimir Dmitrievich[Ru]Matveenko Larion Mikhajlovich[Ru]Zhidovtsev Nikolaj Aleksandrovich[Ru]Kirillin Viktor Ivanovich[Ru]Ilyk Teofil Akimovich[Ua]Jakimchuk Ul'Jan Nikiforovich[Ua]

(73)

Holder

Razuvaev Vladimir Dmitrievich

CONE DRILL BIT Russian patent published in 1995 - IPC

Abstract RU 2044860 C1

FIELD: well drilling. SUBSTANCE: cone drill bit has slotted openings in nozzles. Opening located from axial plane in direction of bit rotation is directed to under cone. Opening located from axial plane to side opposite to bit rotation is directed to contour of meridian section to cone lower half. EFFECT: higher efficiency. 5 dwg

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RU 2 044 860 C1

Authors

Anikin Anatolij Afanas'Evich[Ru]

Anikin Andrej Anatol'Evich[Ru]

Glinskij Adol'F Evgen'Evich[Ru]

Razuvaev Vladimir Dmitrievich[Ru]

Matveenko Larion Mikhajlovich[Ru]

Zhidovtsev Nikolaj Aleksandrovich[Ru]

Kirillin Viktor Ivanovich[Ru]

Ilyk Teofil Akimovich[Ua]

Jakimchuk Ul'Jan Nikiforovich[Ua]

Dates

1995-09-27—Published

1992-09-29—Filed

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