NL6604769A - - Google Patents
Info
- Publication number
- NL6604769A NL6604769A NL6604769A NL6604769A NL6604769A NL 6604769 A NL6604769 A NL 6604769A NL 6604769 A NL6604769 A NL 6604769A NL 6604769 A NL6604769 A NL 6604769A NL 6604769 A NL6604769 A NL 6604769A
- Authority
- NL
- Netherlands
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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
- E21B7/30—Enlarging drilled holes, e.g. by counterboring without earth removal
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL108323A PL50700B1 (et) | 1965-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6604769A true NL6604769A (et) | 1966-10-10 |
Family
ID=19945626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6604769A NL6604769A (et) | 1965-04-08 | 1966-04-07 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE679281A (et) |
| NL (1) | NL6604769A (et) |
-
1966
- 1966-04-07 NL NL6604769A patent/NL6604769A/xx unknown
- 1966-04-08 BE BE679281D patent/BE679281A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE679281A (et) | 1966-09-16 |