BE546325A - - Google Patents
Info
- Publication number
- BE546325A BE546325A BE546325DA BE546325A BE 546325 A BE546325 A BE 546325A BE 546325D A BE546325D A BE 546325DA BE 546325 A BE546325 A BE 546325A
- Authority
- BE
- Belgium
- Prior art keywords
- piston
- pressure
- valve
- oil
- chamber
- Prior art date
Links
- 238000004891 communication Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 3
- 238000009527 percussion Methods 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241001023897 Amanses Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 235000003363 Cornus mas Nutrition 0.000 description 1
- 240000006766 Cornus mas Species 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 239000005557 antagonist Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil 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
- 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)
- Fluid-Pressure Circuits (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE546325A true BE546325A (en:Method) |
Family
ID=173670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE546325D BE546325A (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE546325A (en:Method) |
-
0
- BE BE546325D patent/BE546325A/fr unknown
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