BE705868A - - Google Patents
Info
- Publication number
- BE705868A BE705868A BE705868DA BE705868A BE 705868 A BE705868 A BE 705868A BE 705868D A BE705868D A BE 705868DA BE 705868 A BE705868 A BE 705868A
- 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
- E21B19/087—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)
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEO0012177 | 1966-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE705868A true BE705868A (https=) | 1968-03-01 |
Family
ID=7352635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE705868D BE705868A (https=) | 1966-12-24 | 1967-10-30 |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT274689B (https=) |
| BE (1) | BE705868A (https=) |
| DE (1) | DE1634913A1 (https=) |
| FR (1) | FR1548097A (https=) |
| NL (1) | NL6714694A (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3523056A1 (de) * | 1984-09-07 | 1986-03-20 | Bernard Lionel Sandton Transvaal Gien | Bohrmaschine |
-
1966
- 1966-12-24 DE DE19661634913 patent/DE1634913A1/de active Pending
-
1967
- 1967-10-20 AT AT951167A patent/AT274689B/de active
- 1967-10-30 NL NL6714694A patent/NL6714694A/xx unknown
- 1967-10-30 BE BE705868D patent/BE705868A/xx unknown
- 1967-12-21 FR FR1548097D patent/FR1548097A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3523056A1 (de) * | 1984-09-07 | 1986-03-20 | Bernard Lionel Sandton Transvaal Gien | Bohrmaschine |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1548097A (https=) | 1968-11-29 |
| DE1634913A1 (https=) | 1970-08-13 |
| NL6714694A (https=) | 1968-06-25 |
| AT274689B (de) | 1969-09-25 |