BE472227A - - Google Patents
Info
- Publication number
- BE472227A BE472227A BE472227DA BE472227A BE 472227 A BE472227 A BE 472227A BE 472227D A BE472227D A BE 472227DA BE 472227 A BE472227 A BE 472227A
- Authority
- BE
- Belgium
- Prior art keywords
- valve
- cylinder
- rear head
- rod
- drill
- Prior art date
Links
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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
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 |
---|---|
BE472227A true BE472227A (h) |
Family
ID=121859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE472227D BE472227A (h) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE472227A (h) |
-
0
- BE BE472227D patent/BE472227A/fr unknown
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