SE7606052L - DRILL CROWN FOR IMPACT DRILLING - Google Patents
DRILL CROWN FOR IMPACT DRILLINGInfo
- Publication number
- SE7606052L SE7606052L SE7606052A SE7606052A SE7606052L SE 7606052 L SE7606052 L SE 7606052L SE 7606052 A SE7606052 A SE 7606052A SE 7606052 A SE7606052 A SE 7606052A SE 7606052 L SE7606052 L SE 7606052L
- Authority
- SE
- Sweden
- Prior art keywords
- impact drilling
- drill crown
- crown
- drill
- drilling
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7606052A SE413335B (en) | 1976-05-28 | 1976-05-28 | DRILL CHRONICLE FOR BATTLE DRILLING |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7606052A SE413335B (en) | 1976-05-28 | 1976-05-28 | DRILL CHRONICLE FOR BATTLE DRILLING |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7606052L true SE7606052L (en) | 1977-11-29 |
SE413335B SE413335B (en) | 1980-05-19 |
Family
ID=20328040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7606052A SE413335B (en) | 1976-05-28 | 1976-05-28 | DRILL CHRONICLE FOR BATTLE DRILLING |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE413335B (en) |
-
1976
- 1976-05-28 SE SE7606052A patent/SE413335B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE413335B (en) | 1980-05-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7606052-4 Effective date: 19880318 Format of ref document f/p: F |