DE219836C - - Google Patents
Info
- Publication number
- DE219836C DE219836C DENDAT219836D DE219836DA DE219836C DE 219836 C DE219836 C DE 219836C DE NDAT219836 D DENDAT219836 D DE NDAT219836D DE 219836D A DE219836D A DE 219836DA DE 219836 C DE219836 C DE 219836C
- Authority
- DE
- Germany
- Prior art keywords
- feed
- rack
- machine
- way
- drilling machines
- 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 3
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable 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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/02—Automatic control of the tool feed
- E21B44/08—Automatic control of the tool feed in response to the amplitude of the movement of the percussion tool, e.g. jump or recoil
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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 |
|---|---|
| DE219836C true DE219836C (fr) |
Family
ID=480937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT219836D Active DE219836C (fr) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE219836C (fr) |
-
0
- DE DENDAT219836D patent/DE219836C/de active Active
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