SE338017B - - Google Patents
Info
- Publication number
- SE338017B SE338017B SE1687669A SE1687669A SE338017B SE 338017 B SE338017 B SE 338017B SE 1687669 A SE1687669 A SE 1687669A SE 1687669 A SE1687669 A SE 1687669A SE 338017 B SE338017 B SE 338017B
- Authority
- SE
- Sweden
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1687669A SE338017B (en) | 1969-12-08 | 1969-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1687669A SE338017B (en) | 1969-12-08 | 1969-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE338017B true SE338017B (en) | 1971-08-23 |
Family
ID=20302920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE1687669A SE338017B (en) | 1969-12-08 | 1969-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE338017B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3980145A (en) * | 1973-10-19 | 1976-09-14 | Wibom Gustaf H O | Method and apparatus for inserting tubular structural members in a soil formation |
-
1969
- 1969-12-08 SE SE1687669A patent/SE338017B/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3980145A (en) * | 1973-10-19 | 1976-09-14 | Wibom Gustaf H O | Method and apparatus for inserting tubular structural members in a soil formation |