SU445745A2 - Коронка для бурения скважин - Google Patents
Коронка для бурения скважинInfo
- 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
Links
- 238000005553 drilling Methods 0.000 title 1
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) |
-
1972
- 1972-11-20 SU SU1847676A patent/SU445745A2/ru active
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