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2 057 889

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IPC

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Application

94006944/03, 1994-02-28

(22)

Actual filing date

1994-02-28

(45)

Published

1996-04-10

(72)

Inventor

Bikbulatov Irek Kamilevich[Ru]Paguta Bogdan Andreevich[Ua]Ginzburg Ehduard Samuilovich[Ru]Guk Roman Iosifovich[Ua]Torgashov Aleksandr Vladimirovich[Ru]

(73)

Holder

Bikbulatov Irek Kamilevich[Ru]Paguta Bogdan Andreevich[Ua]Ginzburg Ehduard Samuilovich[Ru]Guk Roman Iosifovich[Ua]Torgashov Aleksandr Vladimirovich[Ru]

TIPS OF ROLLING CUTTER OF DRILL BIT Russian patent published in 1996 - IPC

Abstract RU 2057889 C1

FIELD: drilling equipment. SUBSTANCE: rear face of tip of rolling cutter of drill bit has shape of sphere. Front face has grooves which can have semi-round section. Grooves can be arranged in longitudinal direction or at acute angle with reference to axis of tip. Edges of two adjacent grooves can be made in the form of rib of wedge-shaped cross-section or can have trapezoidal cross-section. EFFECT: increased operational reliability while drilling deep oil and gas wells. 6 cl, 9 dwg

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RU 2 057 889 C1

Authors

Bikbulatov Irek Kamilevich[Ru]

Paguta Bogdan Andreevich[Ua]

Ginzburg Ehduard Samuilovich[Ru]

Guk Roman Iosifovich[Ua]

Torgashov Aleksandr Vladimirovich[Ru]

Dates

1996-04-10—Published

1994-02-28—Filed

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