NL6609441A - - Google Patents
Info
- Publication number
- NL6609441A NL6609441A NL6609441A NL6609441A NL6609441A NL 6609441 A NL6609441 A NL 6609441A NL 6609441 A NL6609441 A NL 6609441A NL 6609441 A NL6609441 A NL 6609441A NL 6609441 A NL6609441 A NL 6609441A
- Authority
- NL
- Netherlands
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
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)
- Percussive Tools And Related Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE900965 | 1965-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6609441A true NL6609441A (it) | 1967-01-09 |
Family
ID=20275593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6609441A NL6609441A (it) | 1965-07-08 | 1966-07-06 |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT269777B (it) |
| BE (1) | BE683860A (it) |
| CH (1) | CH492116A (it) |
| DE (1) | DE1483863A1 (it) |
| DK (1) | DK113561B (it) |
| GB (1) | GB1120388A (it) |
| NL (1) | NL6609441A (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3730286A (en) * | 1972-06-29 | 1973-05-01 | Exxon Production Research Co | Apparatus for improving rotary drilling operations |
| CA1029365A (en) * | 1975-03-03 | 1978-04-11 | Lloyd B. Hansen | Method and apparatus for roof drilling |
| GB9512250D0 (en) * | 1995-06-16 | 1995-08-16 | Boart Longyear Ltd | A drill string |
| DE29614490U1 (de) * | 1996-08-21 | 1996-11-21 | Röhrenwerk Kupferdreh Carl Hamm GmbH, 45257 Essen | Sondiervorrichtung, insbesondere zur Baugrund- und Altlastenerkundung |
| ITMI20071992A1 (it) * | 2007-10-16 | 2009-04-17 | Foxley Ventures Llc | Tubo per roto-percussione |
-
1966
- 1966-07-06 NL NL6609441A patent/NL6609441A/xx unknown
- 1966-07-07 DK DK352666A patent/DK113561B/da unknown
- 1966-07-07 CH CH987566A patent/CH492116A/de not_active IP Right Cessation
- 1966-07-07 GB GB3061866A patent/GB1120388A/en not_active Expired
- 1966-07-07 DE DE19661483863 patent/DE1483863A1/de active Pending
- 1966-07-08 AT AT656266A patent/AT269777B/de active
- 1966-07-08 BE BE683860D patent/BE683860A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT269777B (de) | 1969-04-10 |
| BE683860A (it) | 1966-12-16 |
| DK113561B (da) | 1969-04-08 |
| CH492116A (de) | 1970-06-15 |
| DE1483863A1 (de) | 1970-03-05 |
| GB1120388A (en) | 1968-07-17 |