UA8905A1 - Roller-cutter drill bit - Google Patents

Roller-cutter drill bit

Info

Publication number
UA8905A1
UA8905A1 UA3977047A UA3977047A UA8905A1 UA 8905 A1 UA8905 A1 UA 8905A1 UA 3977047 A UA3977047 A UA 3977047A UA 3977047 A UA3977047 A UA 3977047A UA 8905 A1 UA8905 A1 UA 8905A1
Authority
UA
Ukraine
Prior art keywords
pads
roller
drill bit
central
slime
Prior art date
Application number
UA3977047A
Other languages
Russian (ru)
Ukrainian (uk)
Inventor
Михайло Григорович Абрамсон
Михаил Григорьевич Абрамсон
Людмила Олексіївна Позднякова
Людмила Алексеевна Позднякова
Роман Йосипович Гук
Роман Иосифович Гук
Іван Васильович Студеницький
Иван Васильевич Студеницкий
Віктор Іванович Поздняков
Виктор Иванович Поздняков
Original Assignee
Дрогобицький Долотний Завод
Дрогобычский долотный завод
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Дрогобицький Долотний Завод, Дрогобычский долотный завод filed Critical Дрогобицький Долотний Завод
Priority to UA3977047A priority Critical patent/UA8905A1/en
Publication of UA8905A1 publication Critical patent/UA8905A1/en

Links

Landscapes

  • Earth Drilling (AREA)

Abstract

Roller cutter bit has body with central washing channel, pads with roller cutters attached to the body, discharge channel for slime between the pads with oncoming and leaving sides, side washing channels in pads, removable tips in central and side channels. To increase effectiveness of drilling through better cleaning pit-face with removal of slime tips of nozzles are arranged as acute angle to axis of the drill bit. Axis of central tip is inclined to side of discharge channel, oncoming side of this one is arranged with decreased height.
UA3977047A 1985-11-10 1985-11-10 Roller-cutter drill bit UA8905A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
UA3977047A UA8905A1 (en) 1985-11-10 1985-11-10 Roller-cutter drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
UA3977047A UA8905A1 (en) 1985-11-10 1985-11-10 Roller-cutter drill bit

Publications (1)

Publication Number Publication Date
UA8905A1 true UA8905A1 (en) 1996-09-30

Family

ID=74593834

Family Applications (1)

Application Number Title Priority Date Filing Date
UA3977047A UA8905A1 (en) 1985-11-10 1985-11-10 Roller-cutter drill bit

Country Status (1)

Country Link
UA (1) UA8905A1 (en)

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