LU72713A1 - - Google Patents
Info
- Publication number
- LU72713A1 LU72713A1 LU72713A LU72713A LU72713A1 LU 72713 A1 LU72713 A1 LU 72713A1 LU 72713 A LU72713 A LU 72713A LU 72713 A LU72713 A LU 72713A LU 72713 A1 LU72713 A1 LU 72713A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous fluids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7420266A FR2274780A1 (en) | 1974-06-12 | 1974-06-12 | BUTTON SIZES FOR ROCK PERFORATION USING A HAMMER BOTTOM OF SIDE BLOWING HOLE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU72713A1 true LU72713A1 (en) | 1976-04-13 |
Family
ID=9139931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU72713A LU72713A1 (en) | 1974-06-12 | 1975-06-11 |
Country Status (10)
| Country | Link |
|---|---|
| BE (1) | BE830175A (en) |
| DE (1) | DE2525905C3 (en) |
| DK (1) | DK259775A (en) |
| ES (1) | ES438381A1 (en) |
| FR (1) | FR2274780A1 (en) |
| GB (1) | GB1506239A (en) |
| IE (1) | IE41088B1 (en) |
| IT (1) | IT1038877B (en) |
| LU (1) | LU72713A1 (en) |
| NL (1) | NL7507038A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT354960B (en) * | 1978-04-06 | 1980-02-11 | Panzer Ferdinand | DRILL BIT FOR THE PRODUCTION OF DRILLS IN GROUND OR STONE |
| FR2424408A1 (en) * | 1978-04-24 | 1979-11-23 | Stenuick Freres | PERFORATION SIZE FOR PNEUMATIC BOTTOM-OF-HOLE HAMMER |
| DE2854461C2 (en) * | 1978-12-16 | 1983-03-10 | Wirth Maschinen- und Bohrgeräte-Fabrik GmbH, 5140 Erkelenz | Countersink hammer |
| CN105041221A (en) * | 2015-09-10 | 2015-11-11 | 贵州中钻机械设备有限公司 | Fast drilling rock bit |
-
1974
- 1974-06-12 FR FR7420266A patent/FR2274780A1/en active Granted
-
1975
- 1975-05-23 GB GB2259575A patent/GB1506239A/en not_active Expired
- 1975-06-10 DE DE19752525905 patent/DE2525905C3/en not_active Expired
- 1975-06-10 IE IE130675A patent/IE41088B1/en unknown
- 1975-06-10 ES ES438381A patent/ES438381A1/en not_active Expired
- 1975-06-10 DK DK259775A patent/DK259775A/en unknown
- 1975-06-11 LU LU72713A patent/LU72713A1/xx unknown
- 1975-06-11 IT IT2424775A patent/IT1038877B/en active
- 1975-06-12 BE BE157282A patent/BE830175A/en not_active IP Right Cessation
- 1975-06-12 NL NL7507038A patent/NL7507038A/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2274780B1 (en) | 1977-03-11 |
| IE41088B1 (en) | 1979-10-10 |
| DK259775A (en) | 1975-12-13 |
| IE41088L (en) | 1975-12-12 |
| DE2525905C3 (en) | 1978-09-28 |
| ES438381A1 (en) | 1977-01-16 |
| IT1038877B (en) | 1979-11-30 |
| BE830175A (en) | 1975-12-12 |
| DE2525905B2 (en) | 1976-12-09 |
| FR2274780A1 (en) | 1976-01-09 |
| NL7507038A (en) | 1975-12-16 |
| DE2525905A1 (en) | 1975-12-18 |
| GB1506239A (en) | 1978-04-05 |