DE255687C - - Google Patents
Info
- Publication number
- DE255687C DE255687C DENDAT255687D DE255687DA DE255687C DE 255687 C DE255687 C DE 255687C DE NDAT255687 D DENDAT255687 D DE NDAT255687D DE 255687D A DE255687D A DE 255687DA DE 255687 C DE255687 C DE 255687C
- Authority
- DE
- Germany
- Prior art keywords
- valve
- cylinder
- inlet
- pressure medium
- outlet
- 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 5
- 239000011435 rock Substances 0.000 claims description 5
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000010355 oscillation 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
- E21B1/12—Percussion drilling with a reciprocating impulse member
- E21B1/24—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure
- E21B1/30—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (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 |
|---|---|
| DE255687C true DE255687C (ko) |
Family
ID=513766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT255687D Active DE255687C (ko) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE255687C (ko) |
-
0
- DE DENDAT255687D patent/DE255687C/de active Active
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