BE879995A - LOCKING DEVICE FOR WELL EXTRACTION PLANTS - Google Patents
LOCKING DEVICE FOR WELL EXTRACTION PLANTSInfo
- Publication number
- BE879995A BE879995A BE0/198088A BE198088A BE879995A BE 879995 A BE879995 A BE 879995A BE 0/198088 A BE0/198088 A BE 0/198088A BE 198088 A BE198088 A BE 198088A BE 879995 A BE879995 A BE 879995A
- Authority
- BE
- Belgium
- Prior art keywords
- locking device
- well extraction
- extraction plants
- plants
- well
- Prior art date
Links
- 238000000605 extraction Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B20/00—Elevators not provided for in groups B66B1/00 - B66B19/00
-
- 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
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)
- Control And Safety Of Cranes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2849612A DE2849612C2 (en) | 1978-11-15 | 1978-11-15 | Sinking device for shaft hoisting systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE879995A true BE879995A (en) | 1980-03-03 |
Family
ID=6054765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE0/198088A BE879995A (en) | 1978-11-15 | 1979-11-13 | LOCKING DEVICE FOR WELL EXTRACTION PLANTS |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE879995A (en) |
| DE (1) | DE2849612C2 (en) |
| ZA (1) | ZA796123B (en) |
-
1978
- 1978-11-15 DE DE2849612A patent/DE2849612C2/en not_active Expired
-
1979
- 1979-11-13 BE BE0/198088A patent/BE879995A/en not_active IP Right Cessation
- 1979-11-14 ZA ZA00796123A patent/ZA796123B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2849612C2 (en) | 1983-11-10 |
| ZA796123B (en) | 1980-10-29 |
| DE2849612A1 (en) | 1980-05-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: SIEMENS A.G. Effective date: 19881130 |