SU445745A2 - Коронка для бурения скважин - Google Patents

Коронка для бурения скважин

Info

Publication number
SU445745A2
SU445745A2 SU1847676A SU1847676A SU445745A2 SU 445745 A2 SU445745 A2 SU 445745A2 SU 1847676 A SU1847676 A SU 1847676A SU 1847676 A SU1847676 A SU 1847676A SU 445745 A2 SU445745 A2 SU 445745A2
Authority
SU
USSR - Soviet Union
Prior art keywords
well drilling
drilling crown
crown
well
drilling
Prior art date
Application number
SU1847676A
Other languages
English (en)
Other versions
SU445745A1 (ru
Inventor
Игорь Петрович Чеботков
Original Assignee
И. П. Чеботков
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 И. П. Чеботков filed Critical И. П. Чеботков
Priority to SU1847676A priority Critical patent/SU445745A2/ru
Application granted granted Critical
Publication of SU445745A1 publication Critical patent/SU445745A1/ru
Publication of SU445745A2 publication Critical patent/SU445745A2/ru

Links

SU1847676A 1972-11-20 1972-11-20 Коронка для бурения скважин SU445745A2 (ru)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1847676A SU445745A2 (ru) 1972-11-20 1972-11-20 Коронка для бурения скважин

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1847676A SU445745A2 (ru) 1972-11-20 1972-11-20 Коронка для бурения скважин

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
SU330249 Addition

Publications (2)

Publication Number Publication Date
SU445745A1 SU445745A1 (ru) 1974-10-05
SU445745A2 true SU445745A2 (ru) 1974-10-05

Family

ID=20532476

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1847676A SU445745A2 (ru) 1972-11-20 1972-11-20 Коронка для бурения скважин

Country Status (1)

Country Link
SU (1) SU445745A2 (ru)

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