RO55104A2 - - Google Patents
Info
- Publication number
- RO55104A2 RO55104A2 RO64777A RO6477770A RO55104A2 RO 55104 A2 RO55104 A2 RO 55104A2 RO 64777 A RO64777 A RO 64777A RO 6477770 A RO6477770 A RO 6477770A RO 55104 A2 RO55104 A2 RO 55104A2
- Authority
- RO
- Romania
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
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/046—Directional drilling horizontal drilling
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO64777A RO55104A2 (de) | 1970-10-26 | 1970-10-26 | |
| FR7138076A FR2113136A5 (de) | 1970-10-26 | 1971-10-22 | |
| DE19712153297 DE2153297A1 (de) | 1970-10-26 | 1971-10-26 | Vorrichtung zum horizontalen Unterbohren von Straßen- und Schienenverkehrswegen oder dgl |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO64777A RO55104A2 (de) | 1970-10-26 | 1970-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO55104A2 true RO55104A2 (de) | 1973-06-11 |
Family
ID=20088248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO64777A RO55104A2 (de) | 1970-10-26 | 1970-10-26 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2153297A1 (de) |
| FR (1) | FR2113136A5 (de) |
| RO (1) | RO55104A2 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2622702C3 (de) * | 1976-05-21 | 1980-08-14 | Paul 5940 Lennestadt Schmidt | Vorrichtung zum Eindrücken von Rohren in ein Bruchhaufwerk, insbesondere zur Rettung Verschütteter |
| FR2527679B1 (fr) * | 1982-05-27 | 1987-04-24 | Delbarre Jean | Procede et dispositif pour le forage du sol |
| EP0507100A1 (de) * | 1991-04-03 | 1992-10-07 | Paul Wurth S.A. | Verfahren; Bohrstange und Zwei-Richtungen-Klemmvorrichtung zum Stichlochbohren an Schachtofen |
-
1970
- 1970-10-26 RO RO64777A patent/RO55104A2/ro unknown
-
1971
- 1971-10-22 FR FR7138076A patent/FR2113136A5/fr not_active Expired
- 1971-10-26 DE DE19712153297 patent/DE2153297A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2113136A5 (de) | 1972-06-23 |
| DE2153297A1 (de) | 1972-05-25 |