SE220483C1 - - Google Patents
Info
- Publication number
- SE220483C1 SE220483C1 SE1327065A SE1327065A SE220483C1 SE 220483 C1 SE220483 C1 SE 220483C1 SE 1327065 A SE1327065 A SE 1327065A SE 1327065 A SE1327065 A SE 1327065A SE 220483 C1 SE220483 C1 SE 220483C1
- 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
- E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
-
- 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
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 |
|---|---|
| SE220483C1 true SE220483C1 (no) | 1968-05-14 |
Family
ID=23807396
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE1327065A SE220483C1 (no) | 1965-05-12 | 1965-10-13 | |
| SE5222/67A SE306067B (no) | 1965-05-12 | 1967-04-14 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE5222/67A SE306067B (no) | 1965-05-12 | 1967-04-14 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB1071288A (no) |
| SE (2) | SE220483C1 (no) |
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 |
| SE306067B (no) | 1968-11-18 |