BE517878A - - Google Patents
Info
- Publication number
- BE517878A BE517878A BE517878DA BE517878A BE 517878 A BE517878 A BE 517878A BE 517878D A BE517878D A BE 517878DA BE 517878 A BE517878 A BE 517878A
- Authority
- BE
- Belgium
- Prior art keywords
- speed
- percussion
- tool
- rotation
- rock
- Prior art date
Links
- 238000009527 percussion Methods 0.000 claims description 47
- 239000011435 rock Substances 0.000 description 43
- 238000000034 method Methods 0.000 description 18
- 235000019589 hardness Nutrition 0.000 description 16
- 238000005553 drilling Methods 0.000 description 15
- 230000033001 locomotion Effects 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011888 foil Substances 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000010454 slate Substances 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- -1 sandstone banks Substances 0.000 description 1
- 230000003068 static 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
- E21B6/00—Drives for drilling with combined rotary and percussive action
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 |
|---|---|
| BE517878A true BE517878A (de) |
Family
ID=154628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE517878D BE517878A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE517878A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1026708B (de) * | 1953-09-17 | 1958-03-27 | Moenninghoff Maschf | Drehschlagbohrmaschine, bei der die Druckluftzufuhr zu dem ebenfalls druckluftbetaetigten Schlagkolben abhaengig von der Bohrerdrehzahl durch einen vom Drehmotor angetriebenen Drehschieber steuerbar ist |
-
0
- BE BE517878D patent/BE517878A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1026708B (de) * | 1953-09-17 | 1958-03-27 | Moenninghoff Maschf | Drehschlagbohrmaschine, bei der die Druckluftzufuhr zu dem ebenfalls druckluftbetaetigten Schlagkolben abhaengig von der Bohrerdrehzahl durch einen vom Drehmotor angetriebenen Drehschieber steuerbar ist |
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