SE333340B - - Google Patents
Info
- Publication number
- SE333340B SE333340B SE10655/67*A SE1065567A SE333340B SE 333340 B SE333340 B SE 333340B SE 1065567 A SE1065567 A SE 1065567A SE 333340 B SE333340 B SE 333340B
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/081—Screw-and-nut feed mechanisms
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 |
|---|---|---|---|
| SE10655/67*A SE333340B (en) | 1967-07-18 | 1967-07-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE10655/67*A SE333340B (en) | 1967-07-18 | 1967-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE333340B true SE333340B (en) | 1971-03-15 |
Family
ID=20292653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE10655/67*A SE333340B (en) | 1967-07-18 | 1967-07-18 |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE333340B (en) |
-
1967
- 1967-07-18 SE SE10655/67*A patent/SE333340B/xx unknown