CH553323A - DEVICE FOR DRILLING THE PIPING IN DEEP-HOLES. - Google Patents
DEVICE FOR DRILLING THE PIPING IN DEEP-HOLES.Info
- Publication number
- CH553323A CH553323A CH1435272A CH1435272A CH553323A CH 553323 A CH553323 A CH 553323A CH 1435272 A CH1435272 A CH 1435272A CH 1435272 A CH1435272 A CH 1435272A CH 553323 A CH553323 A CH 553323A
- Authority
- CH
- Switzerland
- Prior art keywords
- piping
- drilling
- deep
- holes
- 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
- 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)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722237463 DE2237463C2 (en) | 1972-07-29 | 1972-07-29 | Device for drilling down the casing in deep boreholes |
Publications (1)
Publication Number | Publication Date |
---|---|
CH553323A true CH553323A (en) | 1974-08-30 |
Family
ID=5852147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1435272A CH553323A (en) | 1972-07-29 | 1972-10-02 | DEVICE FOR DRILLING THE PIPING IN DEEP-HOLES. |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH553323A (en) |
DE (1) | DE2237463C2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4148367A (en) * | 1977-03-14 | 1979-04-10 | Reich Wendell L | Well drilling apparatus |
DE3031027C2 (en) * | 1980-08-16 | 1986-02-20 | Stahl- Und Apparatebau Hans Leffer Gmbh, 6602 Dudweiler | Clamp for drill pipes |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1259811B (en) * | 1967-04-13 | 1968-02-01 | Gruen & Bilfinger Ag | Pipe pulling device |
US3467203A (en) * | 1967-06-29 | 1969-09-16 | Alf R Johnson | Apparatus for sinking casings in the construction of caissons |
-
1972
- 1972-07-29 DE DE19722237463 patent/DE2237463C2/en not_active Expired
- 1972-10-02 CH CH1435272A patent/CH553323A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2237463A1 (en) | 1974-02-07 |
DE2237463C2 (en) | 1981-11-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |