NL119106B - - Google Patents
Info
- Publication number
- NL119106B NL119106B NL119106A NL119106A NL119106B NL 119106 B NL119106 B NL 119106B NL 119106 A NL119106 A NL 119106A NL 119106 A NL119106 A NL 119106A NL 119106 B NL119106 B NL 119106B
- 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
- E21B3/025—Surface drives for rotary drilling with a to-and-fro rotation of the tool
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL119106A NL119106B (xx) | 1944-09-23 | 1944-09-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL119106A NL119106B (xx) | 1944-09-23 | 1944-09-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL119106B true NL119106B (xx) | 1948-01-02 |
Family
ID=1848198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL119106A NL119106B (xx) | 1944-09-23 | 1944-09-23 |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL119106B (xx) |
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1944
- 1944-09-23 NL NL119106A patent/NL119106B/xx unknown