SE503595C2 - Anordning för losstagning av borrkrona från borrstång - Google Patents
Anordning för losstagning av borrkrona från borrstångInfo
- Publication number
- SE503595C2 SE503595C2 SE9303182A SE9303182A SE503595C2 SE 503595 C2 SE503595 C2 SE 503595C2 SE 9303182 A SE9303182 A SE 9303182A SE 9303182 A SE9303182 A SE 9303182A SE 503595 C2 SE503595 C2 SE 503595C2
- Authority
- SE
- Sweden
- Prior art keywords
- drill bit
- drill
- piston
- compressed air
- chamber
- Prior art date
Links
- 239000011435 rock Substances 0.000 title 1
- 239000013013 elastic material Substances 0.000 claims 2
- 238000010276 construction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 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
- E21B12/00—Accessories for drilling tools
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/18—Connecting or disconnecting drill bit and drilling pipe
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)
- Percussive Tools And Related Accessories (AREA)
Claims (1)
1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9303182A SE503595C2 (sv) | 1993-09-30 | 1993-09-30 | Anordning för losstagning av borrkrona från borrstång |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9303182A SE503595C2 (sv) | 1993-09-30 | 1993-09-30 | Anordning för losstagning av borrkrona från borrstång |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9303182D0 SE9303182D0 (sv) | 1993-09-30 |
| SE9303182L SE9303182L (sv) | 1995-03-31 |
| SE503595C2 true SE503595C2 (sv) | 1996-07-15 |
Family
ID=20391257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9303182A SE503595C2 (sv) | 1993-09-30 | 1993-09-30 | Anordning för losstagning av borrkrona från borrstång |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE503595C2 (sv) |
-
1993
- 1993-09-30 SE SE9303182A patent/SE503595C2/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE9303182D0 (sv) | 1993-09-30 |
| SE9303182L (sv) | 1995-03-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |