BE654249A - - Google Patents
Info
- Publication number
- BE654249A BE654249A BE654249DA BE654249A BE 654249 A BE654249 A BE 654249A BE 654249D A BE654249D A BE 654249DA BE 654249 A BE654249 A BE 654249A
- Authority
- BE
- Belgium
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/06—Hammer pistons; Anvils ; Guide-sleeves for pistons
-
- 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
- E21B1/00—Percussion drilling
- E21B1/12—Percussion drilling with a reciprocating impulse member
- E21B1/24—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure
- E21B1/30—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (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)
- Percussive Tools And Related Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1266163A CH404589A (de) | 1963-10-15 | 1963-10-15 | Hammerkolben für druckmittelbetriebene Bohrhämmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE654249A true BE654249A (de) | 1965-02-01 |
Family
ID=4385210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE654249D BE654249A (de) | 1963-10-15 | 1964-10-12 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE654249A (de) |
| CH (1) | CH404589A (de) |
| ES (1) | ES304769A1 (de) |
| GB (1) | GB1036043A (de) |
| NL (1) | NL6400167A (de) |
| SE (1) | SE308089B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4428441A (en) | 1979-04-04 | 1984-01-31 | Mobil Oil Corporation | Method and apparatus for reducing the differential pressure sticking tendency of a drill string |
-
1963
- 1963-10-15 CH CH1266163A patent/CH404589A/de unknown
-
1964
- 1964-01-13 NL NL6400167A patent/NL6400167A/xx unknown
- 1964-02-25 SE SE2265/64A patent/SE308089B/xx unknown
- 1964-10-08 ES ES304769A patent/ES304769A1/es not_active Expired
- 1964-10-12 BE BE654249D patent/BE654249A/xx unknown
- 1964-10-12 GB GB41620/64A patent/GB1036043A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1036043A (en) | 1966-07-13 |
| ES304769A1 (es) | 1964-11-16 |
| SE308089B (de) | 1969-02-03 |
| NL6400167A (de) | 1965-04-20 |
| CH404589A (de) | 1965-12-31 |