DE152773C - - Google Patents
Info
- Publication number
- DE152773C DE152773C DENDAT152773D DE152773DA DE152773C DE 152773 C DE152773 C DE 152773C DE NDAT152773 D DENDAT152773 D DE NDAT152773D DE 152773D A DE152773D A DE 152773DA DE 152773 C DE152773 C DE 152773C
- Authority
- DE
- Germany
- Prior art keywords
- air
- cylinder
- pump
- piston
- buffers
- 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
- 239000000872 buffer Substances 0.000 claims description 11
- 238000005553 drilling Methods 0.000 claims description 7
- 230000035939 shock Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 230000001404 mediated effect Effects 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
- E21B1/00—Percussion drilling
- E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
- E21B1/04—Devices for reversing the movement of the rod or cable at the surface
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 |
|---|---|
| DE152773C true DE152773C (da) |
Family
ID=419470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT152773D Active DE152773C (da) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE152773C (da) |
-
0
- DE DENDAT152773D patent/DE152773C/de active Active
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