SE9700604L - Borrverktyg för slående borrning - Google Patents
Borrverktyg för slående borrningInfo
- Publication number
- SE9700604L SE9700604L SE9700604A SE9700604A SE9700604L SE 9700604 L SE9700604 L SE 9700604L SE 9700604 A SE9700604 A SE 9700604A SE 9700604 A SE9700604 A SE 9700604A SE 9700604 L SE9700604 L SE 9700604L
- Authority
- SE
- Sweden
- Prior art keywords
- drilling
- narrowing
- components
- striking
- drill
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title abstract 4
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
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
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 |
---|---|---|---|
SE9700604A SE9700604L (sv) | 1997-02-21 | 1997-02-21 | Borrverktyg för slående borrning |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9700604A SE9700604L (sv) | 1997-02-21 | 1997-02-21 | Borrverktyg för slående borrning |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9700604D0 SE9700604D0 (sv) | 1997-02-21 |
SE9700604L true SE9700604L (sv) | 1998-08-22 |
Family
ID=20405867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9700604A SE9700604L (sv) | 1997-02-21 | 1997-02-21 | Borrverktyg för slående borrning |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE9700604L (sv) |
-
1997
- 1997-02-21 SE SE9700604A patent/SE9700604L/sv not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE9700604D0 (sv) | 1997-02-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 9700604-3 |