BE640620A - - Google Patents
Info
- Publication number
- BE640620A BE640620A BE640620A BE640620A BE640620A BE 640620 A BE640620 A BE 640620A BE 640620 A BE640620 A BE 640620A BE 640620 A BE640620 A BE 640620A BE 640620 A BE640620 A BE 640620A
- Authority
- BE
- Belgium
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
- E21B19/086—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 with a fluid-actuated cylinder
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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE640620A BE640620A (it) | 1963-11-29 | 1963-11-29 | |
| FR962220A FR1381105A (fr) | 1963-11-29 | 1964-01-31 | Perforatrice pour la foration au rocher |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE640620A BE640620A (it) | 1963-11-29 | 1963-11-29 | |
| FR962220A FR1381105A (fr) | 1963-11-29 | 1964-01-31 | Perforatrice pour la foration au rocher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE640620A true BE640620A (it) | 1964-03-16 |
Family
ID=25655592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE640620A BE640620A (it) | 1963-11-29 | 1963-11-29 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE640620A (it) |
| FR (1) | FR1381105A (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2253845C2 (de) * | 1972-11-03 | 1982-07-22 | Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter | Teleskopierbare Spindel eines Drehantriebs |
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1963
- 1963-11-29 BE BE640620A patent/BE640620A/xx unknown
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1964
- 1964-01-31 FR FR962220A patent/FR1381105A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1381105A (fr) | 1964-12-04 |