SE9802686L - Bergborrverktyg - Google Patents
BergborrverktygInfo
- Publication number
- SE9802686L SE9802686L SE9802686A SE9802686A SE9802686L SE 9802686 L SE9802686 L SE 9802686L SE 9802686 A SE9802686 A SE 9802686A SE 9802686 A SE9802686 A SE 9802686A SE 9802686 L SE9802686 L SE 9802686L
- Authority
- SE
- Sweden
- Prior art keywords
- drill
- drill rods
- piece
- rods
- axial direction
- Prior art date
Links
- 239000011435 rock Substances 0.000 title abstract 3
- 238000005553 drilling Methods 0.000 title abstract 2
- 230000035939 shock Effects 0.000 abstract 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
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)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9802686A SE9802686L (sv) | 1998-08-07 | 1998-08-07 | Bergborrverktyg |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9802686A SE9802686L (sv) | 1998-08-07 | 1998-08-07 | Bergborrverktyg |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9802686D0 SE9802686D0 (sv) | 1998-08-07 |
SE9802686L true SE9802686L (sv) | 2000-02-08 |
Family
ID=20412213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9802686A SE9802686L (sv) | 1998-08-07 | 1998-08-07 | Bergborrverktyg |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE9802686L (sv) |
-
1998
- 1998-08-07 SE SE9802686A patent/SE9802686L/sv not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE9802686D0 (sv) | 1998-08-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
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