SU492656A1 - Crown for drilling wells in outburst formations - Google Patents

Crown for drilling wells in outburst formations

Info

Publication number
SU492656A1
SU492656A1 SU1758653A SU1758653A SU492656A1 SU 492656 A1 SU492656 A1 SU 492656A1 SU 1758653 A SU1758653 A SU 1758653A SU 1758653 A SU1758653 A SU 1758653A SU 492656 A1 SU492656 A1 SU 492656A1
Authority
SU
USSR - Soviet Union
Prior art keywords
crown
drilling wells
outburst formations
outburst
formations
Prior art date
Application number
SU1758653A
Other languages
Russian (ru)
Inventor
Александр Андреевич Алейников
Юрий Михайлович Буторин
Григорий Нисонович Койфман
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 filed Critical
Priority to SU1758653A priority Critical patent/SU492656A1/en
Application granted granted Critical
Publication of SU492656A1 publication Critical patent/SU492656A1/en

Links

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Earth Drilling (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)

Description

lu a   с fi тем, vi-o, с Евлью коаышекк.-г cnocoOHGc-Ts отклонени  корозшк от боковыЕ порСД при бурачки. ванйрашт Яйг е-гр зйстваlu a with fi, vi-o, with Yevlya koyshek.-g cnocoOHGc-Ts deviations of the bark from the lateral porSD with the borage. Vanyrasht Yaig e-zystva

выполнены в вкав соединенных с корпусом с помощью плоских шарниров рычагов, на &m-:fK.,is эакр-вш-е .ы оконтурогоающко резцы.are made in the arms connected to the body with the help of flat hinges of the levers, on & m: fK., is eacr-wsh-e. contouring incisors.

22

fPus.ZfPus.Z

SU1758653A 1972-03-14 1972-03-14 Crown for drilling wells in outburst formations SU492656A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1758653A SU492656A1 (en) 1972-03-14 1972-03-14 Crown for drilling wells in outburst formations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1758653A SU492656A1 (en) 1972-03-14 1972-03-14 Crown for drilling wells in outburst formations

Publications (1)

Publication Number Publication Date
SU492656A1 true SU492656A1 (en) 1975-11-25

Family

ID=20506341

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1758653A SU492656A1 (en) 1972-03-14 1972-03-14 Crown for drilling wells in outburst formations

Country Status (1)

Country Link
SU (1) SU492656A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2481457C1 (en) * 2012-01-13 2013-05-10 Николай Митрофанович Панин Crown for well drilling in emission hazardous beds (versions)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2481457C1 (en) * 2012-01-13 2013-05-10 Николай Митрофанович Панин Crown for well drilling in emission hazardous beds (versions)

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