BE516182A - - Google Patents
Info
- Publication number
- BE516182A BE516182A BE516182DA BE516182A BE 516182 A BE516182 A BE 516182A BE 516182D A BE516182D A BE 516182DA BE 516182 A BE516182 A BE 516182A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1067635X | 1951-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE516182A true BE516182A (xx) |
Family
ID=7719324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE516182D BE516182A (xx) | 1951-12-13 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE516182A (xx) |
| FR (1) | FR1067635A (xx) |
-
0
- BE BE516182D patent/BE516182A/xx unknown
-
1952
- 1952-12-12 FR FR1067635D patent/FR1067635A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1067635A (fr) | 1954-06-17 |