SE9302833D0 - Arrangement for hole punching - Google Patents
Arrangement for hole punchingInfo
- Publication number
- SE9302833D0 SE9302833D0 SE9302833A SE9302833A SE9302833D0 SE 9302833 D0 SE9302833 D0 SE 9302833D0 SE 9302833 A SE9302833 A SE 9302833A SE 9302833 A SE9302833 A SE 9302833A SE 9302833 D0 SE9302833 D0 SE 9302833D0
- Authority
- SE
- Sweden
- Prior art keywords
- arrangement
- hole punching
- punching
- hole
- Prior art date
Links
- 238000004080 punching 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
-
- 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
- E21B10/36—Percussion drill bits
- E21B10/40—Percussion drill bits with leading portion
-
- 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
- E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
- E21B10/66—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe the cutting element movable through the drilling pipe and laterally shiftable
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9302833A SE9302833L (en) | 1993-09-02 | 1993-09-02 | Arrangement for hole punching |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9302833A SE9302833L (en) | 1993-09-02 | 1993-09-02 | Arrangement for hole punching |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9302833D0 true SE9302833D0 (en) | 1993-09-02 |
SE9302833L SE9302833L (en) | 1995-03-03 |
Family
ID=20390955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9302833A SE9302833L (en) | 1993-09-02 | 1993-09-02 | Arrangement for hole punching |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE9302833L (en) |
-
1993
- 1993-09-02 SE SE9302833A patent/SE9302833L/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE9302833L (en) | 1995-03-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 9302833-0 |