RU2002107727A - Drill bit flushing unit - Google Patents

Drill bit flushing unit

Info

Publication number
RU2002107727A
RU2002107727A RU2002107727/03A RU2002107727A RU2002107727A RU 2002107727 A RU2002107727 A RU 2002107727A RU 2002107727/03 A RU2002107727/03 A RU 2002107727/03A RU 2002107727 A RU2002107727 A RU 2002107727A RU 2002107727 A RU2002107727 A RU 2002107727A
Authority
RU
Russia
Prior art keywords
drill bit
flushing unit
nozzle
screw blades
bit flushing
Prior art date
Application number
RU2002107727/03A
Other languages
Russian (ru)
Other versions
RU2215114C1 (en
Inventor
Андрей Ярославович Вакула
Михаил Иванович Студенский
Анатолий Павлович Антипов
Рустем Ирекович Катеев
Тимур Рустемович Катеев
Эльнур Нургалеевич Гимазов
Original Assignee
ООО "Татнефть-Бурение"
Filing date
Publication date
Application filed by ООО "Татнефть-Бурение" filed Critical ООО "Татнефть-Бурение"
Priority to RU2002107727A priority Critical patent/RU2215114C1/en
Priority claimed from RU2002107727A external-priority patent/RU2215114C1/en
Application granted granted Critical
Publication of RU2215114C1 publication Critical patent/RU2215114C1/en
Publication of RU2002107727A publication Critical patent/RU2002107727A/en

Links

Claims (1)

Промывочный узел бурового долота, включающий корпус с каналами и гнездом, в котором закреплена насадка и установленный над ней полый элемент с винтовыми лопастями на внутренней стенке, отличающийся тем, что полый элемент с винтовыми лопастями выполнен в виде втулки, а винтовые лопасти её размещены так, что обеспечивают вращение потока бурового раствора 1,5÷2,5 оборота, а хвостовая часть насадки с цилиндрическими каналами выполнена удлиненной, при этом длина затопленной струи от выходного отверстия насадки до соприкосновения с породой забоя скважины выбрана из равенства: L=(5-6)dн, где L - длина затопленной струи, мм, dн - диаметр выходного отверстия насадки, мм.A flushing unit of a drill bit, comprising a housing with channels and a socket, in which a nozzle is mounted and a hollow element with screw blades mounted on it is mounted on it on the inner wall, characterized in that the hollow element with screw blades is made in the form of a sleeve, and its screw blades are placed so that provide rotation of the mud flow 1.5 ÷ 2.5 turns, and the tail of the nozzle with cylindrical channels is made elongated, while the length of the flooded stream from the nozzle outlet to the contact with the rock I of the well is selected from the equation: L = (5-6) d n , where L is the length of the flooded stream, mm, d n is the diameter of the nozzle outlet, mm.
RU2002107727A 2002-03-26 2002-03-26 Washing unit of drilling bit RU2215114C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2002107727A RU2215114C1 (en) 2002-03-26 2002-03-26 Washing unit of drilling bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2002107727A RU2215114C1 (en) 2002-03-26 2002-03-26 Washing unit of drilling bit

Publications (2)

Publication Number Publication Date
RU2215114C1 RU2215114C1 (en) 2003-10-27
RU2002107727A true RU2002107727A (en) 2003-10-27

Family

ID=31988961

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002107727A RU2215114C1 (en) 2002-03-26 2002-03-26 Washing unit of drilling bit

Country Status (1)

Country Link
RU (1) RU2215114C1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2473775C1 (en) * 2011-07-22 2013-01-27 Общество с ограниченной ответственностью "Бурение" Chisel for drilling with cyclic washing
RU2506400C1 (en) * 2012-12-28 2014-02-10 Николай Митрофанович Панин Flushing assembly of drilling bit
CA2981324A1 (en) 2015-04-01 2016-10-06 National Oilwell DHT, L.P. Drill bit with self-directing nozzle and method of using same
CN104989278A (en) * 2015-05-05 2015-10-21 罗金泉 Impact type jet bit

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