SE7603424L - Borrmejsel for djuphalshammare - Google Patents
Borrmejsel for djuphalshammareInfo
- Publication number
- SE7603424L SE7603424L SE7603424A SE7603424A SE7603424L SE 7603424 L SE7603424 L SE 7603424L SE 7603424 A SE7603424 A SE 7603424A SE 7603424 A SE7603424 A SE 7603424A SE 7603424 L SE7603424 L SE 7603424L
- Authority
- SE
- Sweden
- Prior art keywords
- driller
- hammer
- deep neck
- neck
- deep
- 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
- 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
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
-
- 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
- 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
-
- 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
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
- E21B17/076—Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill bit
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752512785 DE2512785C3 (de) | 1975-03-22 | Bohrmeißel fur Tieflochhämmer |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7603424L true SE7603424L (sv) | 1976-09-23 |
SE415501B SE415501B (sv) | 1980-10-06 |
Family
ID=5942199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7603424A SE415501B (sv) | 1975-03-22 | 1976-03-19 | For djuphalshammare avsedd borrmejsel |
Country Status (3)
Country | Link |
---|---|
AT (1) | AT369131B (sv) |
GB (1) | GB1539540A (sv) |
SE (1) | SE415501B (sv) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5441121A (en) * | 1993-12-22 | 1995-08-15 | Baker Hughes, Inc. | Earth boring drill bit with shell supporting an external drilling surface |
CN109098663A (zh) * | 2018-10-31 | 2018-12-28 | 河南大有能源股份有限公司新安煤矿 | 一种可拆卸内镶式冲煤专用冲孔钻头 |
-
1976
- 1976-03-15 AT AT0188876A patent/AT369131B/de not_active IP Right Cessation
- 1976-03-19 SE SE7603424A patent/SE415501B/sv unknown
- 1976-03-22 GB GB11422/76A patent/GB1539540A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2512785B2 (de) | 1976-12-30 |
SE415501B (sv) | 1980-10-06 |
ATA188876A (de) | 1978-01-15 |
GB1539540A (en) | 1979-01-31 |
DE2512785A1 (de) | 1976-09-23 |
AT369131B (de) | 1982-12-10 |
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