FR694825A - Perfectionnements aux perforatrices de roches - Google Patents
Perfectionnements aux perforatrices de rochesInfo
- Publication number
- FR694825A FR694825A FR694825DA FR694825A FR 694825 A FR694825 A FR 694825A FR 694825D A FR694825D A FR 694825DA FR 694825 A FR694825 A FR 694825A
- Authority
- FR
- France
- Prior art keywords
- drilling machine
- rock drilling
- machine improvements
- rock
- machine
- 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
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/03—Couplings; joints between drilling rod or pipe and drill motor or surface drive, e.g. between drilling rod and hammer
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 |
---|---|---|---|
FR694825T | 1930-05-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR694825A true FR694825A (fr) | 1930-12-08 |
Family
ID=9045678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR694825D Expired FR694825A (fr) | 1930-05-01 | 1930-05-01 | Perfectionnements aux perforatrices de roches |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR694825A (fr) |
-
1930
- 1930-05-01 FR FR694825D patent/FR694825A/fr not_active Expired
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