NL6409998A - - Google Patents
Info
- Publication number
- NL6409998A NL6409998A NL6409998A NL6409998A NL6409998A NL 6409998 A NL6409998 A NL 6409998A NL 6409998 A NL6409998 A NL 6409998A NL 6409998 A NL6409998 A NL 6409998A NL 6409998 A NL6409998 A NL 6409998A
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/087—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods by means of a swinging arm
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Percussive Tools And Related Accessories (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Fats And Perfumes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR946310A FR1375864A (fr) | 1963-09-02 | 1963-09-02 | Perfectionnement aux marteaux perforateurs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6409998A true NL6409998A (xx) | 1965-03-03 |
Family
ID=8811566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6409998A NL6409998A (xx) | 1963-09-02 | 1964-08-28 |
Country Status (9)
| Country | Link |
|---|---|
| BE (1) | BE652091A (xx) |
| CH (1) | CH408839A (xx) |
| DE (1) | DE1985307U (xx) |
| ES (1) | ES303583A1 (xx) |
| FR (1) | FR1375864A (xx) |
| GB (1) | GB1016760A (xx) |
| LU (1) | LU46824A1 (xx) |
| NL (1) | NL6409998A (xx) |
| OA (1) | OA01333A (xx) |
-
1963
- 1963-09-02 FR FR946310A patent/FR1375864A/fr not_active Expired
-
1964
- 1964-08-20 BE BE652091D patent/BE652091A/xx unknown
- 1964-08-24 LU LU46824D patent/LU46824A1/xx unknown
- 1964-08-25 CH CH1119464A patent/CH408839A/fr unknown
- 1964-08-25 GB GB34802/64A patent/GB1016760A/en not_active Expired
- 1964-08-28 NL NL6409998A patent/NL6409998A/xx unknown
- 1964-08-29 ES ES0303583A patent/ES303583A1/es not_active Expired
- 1964-09-02 DE DEC12183U patent/DE1985307U/de not_active Expired
- 1964-12-31 OA OA51778A patent/OA01333A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1375864A (fr) | 1964-10-23 |
| ES303583A1 (es) | 1965-12-16 |
| CH408839A (fr) | 1966-03-15 |
| GB1016760A (en) | 1966-01-12 |
| BE652091A (xx) | 1964-12-16 |
| LU46824A1 (xx) | 1964-10-24 |
| DE1985307U (de) | 1968-05-16 |
| OA01333A (fr) | 1969-02-15 |