ATA243578A - Bohrkrone fuer die herstellung von bohrungen in erdreich oder gestein - Google Patents
Bohrkrone fuer die herstellung von bohrungen in erdreich oder gesteinInfo
- Publication number
- ATA243578A ATA243578A AT782435A AT243578A ATA243578A AT A243578 A ATA243578 A AT A243578A AT 782435 A AT782435 A AT 782435A AT 243578 A AT243578 A AT 243578A AT A243578 A ATA243578 A AT A243578A
- Authority
- AT
- Austria
- Prior art keywords
- rock
- soil
- drill bit
- drilling holes
- drilling
- Prior art date
Links
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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting 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
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
- E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
-
- 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
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)
- Earth Drilling (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT243578A AT354960B (de) | 1978-04-06 | 1978-04-06 | Bohrkrone fuer die herstellung von bohrungen in erdreich oder gestein |
EP79101061A EP0004674A3 (de) | 1978-04-06 | 1979-04-06 | Bohrkrone für die Herstellung von Bohrungen in Erdreich und Gestein |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT243578A AT354960B (de) | 1978-04-06 | 1978-04-06 | Bohrkrone fuer die herstellung von bohrungen in erdreich oder gestein |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA243578A true ATA243578A (de) | 1979-07-15 |
AT354960B AT354960B (de) | 1980-02-11 |
Family
ID=3534299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT243578A AT354960B (de) | 1978-04-06 | 1978-04-06 | Bohrkrone fuer die herstellung von bohrungen in erdreich oder gestein |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0004674A3 (de) |
AT (1) | AT354960B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0358786A1 (de) * | 1988-09-13 | 1990-03-21 | Ing. G. Klemm Bohrtechnik GmbH | Überlagerungsbohrvorrichtung |
DE102014104516A1 (de) * | 2014-03-31 | 2015-10-01 | Sysbohr Gmbh - Bohrtechnik Für Den Spezialtiefbau | Bohrkrone, insbesondere zum Überlagerungsbohren, sowie Bohrvorrichtung mit einer Bohrkrone |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE39674C (de) * | A. FAUCK und E. HASENÖRL in Wien | Freifallbohrer für Tiefbohrungen | ||
DE3971C (de) * | H. GÖTZE, Schlossermeister, in Neumünster in Holstein | Erdbohrer | ||
FR505941A (fr) * | 1918-11-12 | 1920-08-10 | Chas L Stickney | Perfectionnements aux dispositifs de forage |
US1428774A (en) * | 1921-09-19 | 1922-09-12 | William R Gardner | Fishtail bit |
US1733452A (en) * | 1926-12-13 | 1929-10-29 | John W Doody | Underreamer |
GB297285A (en) * | 1928-03-02 | 1928-09-20 | Colon Dev Co | Improvements in well-boring apparatus |
GB540027A (en) * | 1940-04-26 | 1941-10-02 | Percy Cox | Improvements in and relating to rock boring and like tools |
US2397652A (en) * | 1944-02-03 | 1946-04-02 | Jr Woyman B Dunlap | Underreamer |
US2599167A (en) * | 1946-02-23 | 1952-06-03 | Dionisotti Joseph | Scraping out device for mining boreholes |
DE830033C (de) * | 1950-01-15 | 1952-01-31 | Guenther Fluegge Dr Ing | Bohrmeissel |
BE795205A (fr) * | 1972-02-10 | 1973-05-29 | Atlas Copco Ab | Procede et appareillage pour le forage rotatif |
FR2274780A1 (fr) * | 1974-06-12 | 1976-01-09 | Ugine Aciers | Taillants a boutons pour perforation au rocher au moyen d'un marteau fond de trou a soufflage lateral |
-
1978
- 1978-04-06 AT AT243578A patent/AT354960B/de not_active IP Right Cessation
-
1979
- 1979-04-06 EP EP79101061A patent/EP0004674A3/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
AT354960B (de) | 1980-02-11 |
EP0004674A3 (de) | 1979-10-31 |
EP0004674A2 (de) | 1979-10-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |