SE357232B - - Google Patents
Info
- Publication number
- SE357232B SE357232B SE220570A SE220570A SE357232B SE 357232 B SE357232 B SE 357232B SE 220570 A SE220570 A SE 220570A SE 220570 A SE220570 A SE 220570A SE 357232 B SE357232 B SE 357232B
- Authority
- SE
- Sweden
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
- E21B7/14—Drilling by use of heat, e.g. flame drilling
- E21B7/146—Thermal lances
-
- 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
- E21B7/14—Drilling by use of heat, e.g. flame 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)
- Cable Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH271369A CH497257A (de) | 1969-02-21 | 1969-02-21 | Brennrohr zum thermischen Bohren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE357232B true SE357232B (xx) | 1973-06-18 |
Family
ID=4239917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE220570A SE357232B (xx) | 1969-02-21 | 1970-02-20 |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT295372B (xx) |
| CH (1) | CH497257A (xx) |
| GB (1) | GB1296434A (xx) |
| IL (1) | IL33917A (xx) |
| SE (1) | SE357232B (xx) |
-
1969
- 1969-02-21 CH CH271369A patent/CH497257A/de not_active IP Right Cessation
-
1970
- 1970-02-04 GB GB1296434D patent/GB1296434A/en not_active Expired
- 1970-02-17 IL IL3391770A patent/IL33917A/xx unknown
- 1970-02-20 SE SE220570A patent/SE357232B/xx unknown
- 1970-02-20 AT AT158070A patent/AT295372B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AT295372B (de) | 1971-12-27 |
| GB1296434A (xx) | 1972-11-15 |
| CH497257A (de) | 1970-10-15 |
| IL33917A (en) | 1974-06-30 |