FR683074A - Trépan de perforatrice - Google Patents
Trépan de perforatriceInfo
- Publication number
- FR683074A FR683074A FR683074DA FR683074A FR 683074 A FR683074 A FR 683074A FR 683074D A FR683074D A FR 683074DA FR 683074 A FR683074 A FR 683074A
- Authority
- FR
- France
- Prior art keywords
- drill bit
- drill
- bit
- 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
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
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/605—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a core-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
- E21B10/00—Drill bits
- E21B10/02—Core bits
-
- 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
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
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 |
---|---|---|---|
US683074XA | 1928-11-12 | 1928-11-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR683074A true FR683074A (fr) | 1930-06-05 |
Family
ID=22081727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR683074D Expired FR683074A (fr) | 1928-11-12 | 1929-10-10 | Trépan de perforatrice |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR683074A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2534292A1 (fr) * | 1982-10-06 | 1984-04-13 | Sainrapt Brice | Procede de mise en place de buses de fondation dans un terrain de mauvaise qualite |
-
1929
- 1929-10-10 FR FR683074D patent/FR683074A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2534292A1 (fr) * | 1982-10-06 | 1984-04-13 | Sainrapt Brice | Procede de mise en place de buses de fondation dans un terrain de mauvaise qualite |
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