DE229636C - - Google Patents
Info
- Publication number
- DE229636C DE229636C DENDAT229636D DE229636DA DE229636C DE 229636 C DE229636 C DE 229636C DE NDAT229636 D DENDAT229636 D DE NDAT229636D DE 229636D A DE229636D A DE 229636DA DE 229636 C DE229636 C DE 229636C
- Authority
- DE
- Germany
- Prior art keywords
- turbine
- conical
- compressed air
- pressure medium
- helical
- 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.)
- Active
Links
- 238000005553 drilling Methods 0.000 claims description 2
- 239000011435 rock Substances 0.000 description 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE229636C true DE229636C (cs) |
Family
ID=489919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT229636D Active DE229636C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE229636C (cs) |
-
0
- DE DENDAT229636D patent/DE229636C/de active Active
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