SU540968A1 - Drilling tool - Google Patents

Drilling tool

Info

Publication number
SU540968A1
SU540968A1 SU1911574A SU1911574A SU540968A1 SU 540968 A1 SU540968 A1 SU 540968A1 SU 1911574 A SU1911574 A SU 1911574A SU 1911574 A SU1911574 A SU 1911574A SU 540968 A1 SU540968 A1 SU 540968A1
Authority
SU
USSR - Soviet Union
Prior art keywords
drilling tool
angle
case
conical surface
working body
Prior art date
Application number
SU1911574A
Other languages
Russian (ru)
Inventor
Владимир Арсентьевич Король
Генриетта Константиновна Крупина
Владимир Александрович Ковальчук
Евгений Николаевич Булгаков
Original Assignee
Проектный И Научно-Исследовательский Институт "Красноярский Промстройниипроект"
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 Проектный И Научно-Исследовательский Институт "Красноярский Промстройниипроект" filed Critical Проектный И Научно-Исследовательский Институт "Красноярский Промстройниипроект"
Priority to SU1911574A priority Critical patent/SU540968A1/en
Application granted granted Critical
Publication of SU540968A1 publication Critical patent/SU540968A1/en

Links

Landscapes

  • Earth Drilling (AREA)

Claims (2)

Формула изо-б ре тени Formula iso-d shadow Л. Рабочий орган дл  тароходки скважин иреимущественно в мерзлых лрунтах, включающий ПОЛЫЙ корпус, опорное устройство, смонтированное на наружной поверхности корпуса, и режущий наконечник, о т л и ч а ющ и и с   тем, что, с щелью повышени  эффектив ости работы, опорное устрой;ство выполнено в виде жесткого кольца с  аружной конической поверхностью на нижнем конце.L. A working body for the drilling of wells and, mainly, in frozen ends, including a HOLLY case, a support device mounted on the outer surface of the case, and a cutting tip, which also, The supporting device is made in the form of a rigid ring with an outer conical surface at the lower end. 2. Рабочий орган то п. 1, о т л и ч а ю щ и йс   тем, что угол между образующей конической поверхности и продольной осью корпуса не менее угла внутреннего трени  грунта.2. The working body, clause 1, of which is that the angle between the generator of the conical surface and the longitudinal axis of the body is not less than the angle of the internal friction of the ground. //
SU1911574A 1973-04-24 1973-04-24 Drilling tool SU540968A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1911574A SU540968A1 (en) 1973-04-24 1973-04-24 Drilling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1911574A SU540968A1 (en) 1973-04-24 1973-04-24 Drilling tool

Publications (1)

Publication Number Publication Date
SU540968A1 true SU540968A1 (en) 1976-12-30

Family

ID=20550636

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1911574A SU540968A1 (en) 1973-04-24 1973-04-24 Drilling tool

Country Status (1)

Country Link
SU (1) SU540968A1 (en)

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