SE306067B - - Google Patents
Info
- Publication number
- SE306067B SE306067B SE5222/67A SE522267A SE306067B SE 306067 B SE306067 B SE 306067B SE 5222/67 A SE5222/67 A SE 5222/67A SE 522267 A SE522267 A SE 522267A SE 306067 B SE306067 B SE 306067B
- 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
- 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
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
- E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
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)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US45509865A | 1965-05-12 | 1965-05-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE306067B true SE306067B (ja) | 1968-11-18 |
Family
ID=23807396
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE1327065A SE220483C1 (ja) | 1965-05-12 | 1965-10-13 | |
SE5222/67A SE306067B (ja) | 1965-05-12 | 1967-04-14 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE1327065A SE220483C1 (ja) | 1965-05-12 | 1965-10-13 |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB1071288A (ja) |
SE (2) | SE220483C1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE401232B (sv) * | 1970-05-04 | 1978-04-24 | Sandvik Ab | Gengad forbindning for slagborrstenger |
-
1965
- 1965-09-14 GB GB39114/65A patent/GB1071288A/en not_active Expired
- 1965-10-13 SE SE1327065A patent/SE220483C1/sv unknown
-
1967
- 1967-04-14 SE SE5222/67A patent/SE306067B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1071288A (en) | 1967-06-07 |
SE220483C1 (ja) | 1968-05-14 |