SE8405775L - Rorformad borrstangdel - Google Patents
Rorformad borrstangdelInfo
- Publication number
- SE8405775L SE8405775L SE8405775A SE8405775A SE8405775L SE 8405775 L SE8405775 L SE 8405775L SE 8405775 A SE8405775 A SE 8405775A SE 8405775 A SE8405775 A SE 8405775A SE 8405775 L SE8405775 L SE 8405775L
- Authority
- SE
- Sweden
- Prior art keywords
- rod
- drilling part
- shaped drilling
- grooves
- longitudinal axis
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8405775A SE8405775L (sv) | 1984-11-16 | 1984-11-16 | Rorformad borrstangdel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8405775A SE8405775L (sv) | 1984-11-16 | 1984-11-16 | Rorformad borrstangdel |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8405775D0 SE8405775D0 (sv) | 1984-11-16 |
SE8405775L true SE8405775L (sv) | 1986-03-14 |
Family
ID=20357782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8405775A SE8405775L (sv) | 1984-11-16 | 1984-11-16 | Rorformad borrstangdel |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE8405775L (sv) |
-
1984
- 1984-11-16 SE SE8405775A patent/SE8405775L/sv not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE8405775D0 (sv) | 1984-11-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
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