SE8404981L - MOUNTAIN DRILL BAR - Google Patents
MOUNTAIN DRILL BARInfo
- Publication number
- SE8404981L SE8404981L SE8404981A SE8404981A SE8404981L SE 8404981 L SE8404981 L SE 8404981L SE 8404981 A SE8404981 A SE 8404981A SE 8404981 A SE8404981 A SE 8404981A SE 8404981 L SE8404981 L SE 8404981L
- Authority
- SE
- Sweden
- Prior art keywords
- drill bar
- mountain drill
- mountain
- bar
- drill
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
-
- 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
- E21B17/1085—Wear protectors; Blast joints; Hard facing
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 |
---|---|---|---|
FI833662A FI68705B (en) | 1983-10-07 | 1983-10-07 | BORRSTAONG FOER EN BERGBORRMASKIN |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8404981D0 SE8404981D0 (en) | 1984-10-05 |
SE8404981L true SE8404981L (en) | 1985-04-08 |
Family
ID=8517878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8404981A SE8404981L (en) | 1983-10-07 | 1984-10-05 | MOUNTAIN DRILL BAR |
Country Status (2)
Country | Link |
---|---|
FI (1) | FI68705B (en) |
SE (1) | SE8404981L (en) |
-
1983
- 1983-10-07 FI FI833662A patent/FI68705B/en not_active Application Discontinuation
-
1984
- 1984-10-05 SE SE8404981A patent/SE8404981L/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FI833662A (en) | 1985-04-08 |
SE8404981D0 (en) | 1984-10-05 |
FI833662A0 (en) | 1983-10-07 |
FI68705B (en) | 1985-06-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8404981-6 Effective date: 19880924 |