ZA785434B - Rock drill - Google Patents
Rock drillInfo
- Publication number
- ZA785434B ZA785434B ZA00785434A ZA785434A ZA785434B ZA 785434 B ZA785434 B ZA 785434B ZA 00785434 A ZA00785434 A ZA 00785434A ZA 785434 A ZA785434 A ZA 785434A ZA 785434 B ZA785434 B ZA 785434B
- Authority
- ZA
- South Africa
- Prior art keywords
- rock drill
- drill
- rock
- Prior art date
Links
- 239000011435 rock Substances 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
- E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses
-
- 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
- E21B10/02—Core bits
- E21B10/04—Core bits with core destroying means
-
- 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
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
- E21B10/40—Percussion drill bits with leading portion
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84528377A | 1977-10-25 | 1977-10-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA785434B true ZA785434B (en) | 1979-09-26 |
Family
ID=25294856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00785434A ZA785434B (en) | 1977-10-25 | 1978-09-25 | Rock drill |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS54109001A (de) |
CA (1) | CA1101408A (de) |
DE (1) | DE2846022A1 (de) |
FR (1) | FR2412679A1 (de) |
GB (1) | GB2006665B (de) |
SE (1) | SE440114B (de) |
ZA (1) | ZA785434B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI123572B (fi) * | 2005-10-07 | 2013-07-15 | Sandvik Mining & Constr Oy | Menetelmä ja kallionporauslaite reiän poraamiseksi kallioon |
CN117646598B (zh) * | 2024-01-30 | 2024-04-12 | 陕西延长石油矿业有限责任公司 | 一种基于矿山的双级钻井装置及其使用方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1928451A (en) * | 1931-12-09 | 1933-09-26 | Hammerberg George | Rotary drill bit |
GB620004A (en) * | 1947-01-01 | 1949-03-17 | Gen Electric Co Ltd | Improvements in and relating to vibratory tools |
US2854219A (en) * | 1954-11-22 | 1958-09-30 | Alvin S Macneil | Apparatus for deep well drilling |
AT242579B (de) * | 1962-11-03 | 1965-09-27 | Artur Fischer | Verfahren zur Herstellung eines Hartmetallbohrers, insbesondere zum Bohren in hartem Material, wie Beton oder Stein |
FR1374214A (fr) * | 1963-11-15 | 1964-10-02 | Diamant Boart Sa | Procédé et machine de sondage ou de forage d'un sol |
FR1395215A (fr) * | 1964-04-30 | 1965-04-09 | Gardner Denver Co | Outil de forage et son procédé de fabrication |
FR1500742A (fr) * | 1966-11-21 | 1967-11-03 | Procédé et appareils de forage par vibrations acoustiques et rotations alternées | |
AU408715B2 (en) * | 1966-12-02 | 1970-12-04 | ERIC CLIFFORD BRAUMANN, FREDERICK WILLIAM REICHELT and CHARLES BRUCE HOPE | Anew and improved drilling unit |
DE2558842A1 (de) * | 1975-12-27 | 1977-07-07 | Paul Schmidt | Selbstgetriebenes pneumatisches rammbohrgeraet, insbesondere fuer erdbohrungen |
DE2642133A1 (de) * | 1976-09-18 | 1978-03-23 | Ruhrkohle Ag | Verfahren zum einbringen von bohrungen, insbesondere im berg- und tunnelbau |
-
1978
- 1978-09-21 CA CA311,735A patent/CA1101408A/en not_active Expired
- 1978-09-25 ZA ZA00785434A patent/ZA785434B/xx unknown
- 1978-10-03 GB GB7839017A patent/GB2006665B/en not_active Expired
- 1978-10-19 FR FR7829819A patent/FR2412679A1/fr active Pending
- 1978-10-23 DE DE19782846022 patent/DE2846022A1/de not_active Withdrawn
- 1978-10-24 SE SE7811060A patent/SE440114B/sv unknown
- 1978-10-25 JP JP13058678A patent/JPS54109001A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
SE440114B (sv) | 1985-07-15 |
CA1101408A (en) | 1981-05-19 |
SE7811060L (sv) | 1979-04-26 |
DE2846022A1 (de) | 1979-04-26 |
JPS54109001A (en) | 1979-08-27 |
GB2006665B (en) | 1982-07-14 |
GB2006665A (en) | 1979-05-10 |
FR2412679A1 (fr) | 1979-07-20 |
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