FR56714E - Fleuret pour forage rotatif - Google Patents
Fleuret pour forage rotatifInfo
- Publication number
- FR56714E FR56714E FR56714DA FR56714E FR 56714 E FR56714 E FR 56714E FR 56714D A FR56714D A FR 56714DA FR 56714 E FR56714 E FR 56714E
- Authority
- FR
- France
- Prior art keywords
- drill bit
- rotary drilling
- drilling
- rotary
- drill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000005553 drilling Methods 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
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR56714T | 1947-01-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR56714E true FR56714E (fr) | 1952-10-03 |
Family
ID=8690877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR56714D Expired FR56714E (fr) | 1947-01-31 | 1947-01-31 | Fleuret pour forage rotatif |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR56714E (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2756024A (en) * | 1954-02-17 | 1956-07-24 | Chicago Pneumatic Tool Co | Rotary bit for wet drilling coal and the like |
DE1031951B (de) * | 1953-11-13 | 1958-06-12 | Alfred Kunkel | Mauerbohrer |
DE2716866A1 (de) * | 1977-04-16 | 1978-10-26 | Bosch Gmbh Robert | Gesteinsbohrer |
-
1947
- 1947-01-31 FR FR56714D patent/FR56714E/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1031951B (de) * | 1953-11-13 | 1958-06-12 | Alfred Kunkel | Mauerbohrer |
US2756024A (en) * | 1954-02-17 | 1956-07-24 | Chicago Pneumatic Tool Co | Rotary bit for wet drilling coal and the like |
DE2716866A1 (de) * | 1977-04-16 | 1978-10-26 | Bosch Gmbh Robert | Gesteinsbohrer |
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