BE726797A - - Google Patents
Info
- Publication number
- BE726797A BE726797A BE726797DA BE726797A BE 726797 A BE726797 A BE 726797A BE 726797D A BE726797D A BE 726797DA BE 726797 A BE726797 A BE 726797A
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
- E21B17/076—Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill bit
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
-
- 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
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
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)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR175908 | 1968-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE726797A true BE726797A (US20110009641A1-20110113-C00185.png) | 1969-06-16 |
Family
ID=8657631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE726797D BE726797A (US20110009641A1-20110113-C00185.png) | 1968-11-29 | 1969-01-13 |
Country Status (6)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU503750B2 (en) * | 1976-07-13 | 1979-09-20 | William Lister | Rock drilling bit |
| JPS5762558U (US20110009641A1-20110113-C00185.png) * | 1980-09-30 | 1982-04-14 | ||
| GB2216826B (en) * | 1988-04-05 | 1992-03-04 | Gullick Dobson Ltd | Retaining devices |
| EP1849956B1 (de) | 2006-04-26 | 2008-08-06 | BAUER Maschinen GmbH | Rohrkupplung für Rohrelemente |
-
1968
- 1968-11-29 FR FR175908A patent/FR1593824A/fr not_active Expired
-
1969
- 1969-01-13 BE BE726797D patent/BE726797A/xx unknown
- 1969-04-23 ES ES366378A patent/ES366378A1/es not_active Expired
- 1969-05-07 SE SE06458/69A patent/SE350566B/xx unknown
- 1969-11-06 GB GB54529/69A patent/GB1275443A/en not_active Expired
- 1969-11-18 JP JP44092451A patent/JPS5024685B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ES366378A1 (es) | 1971-03-16 |
| JPS5024685B1 (US20110009641A1-20110113-C00185.png) | 1975-08-18 |
| GB1275443A (en) | 1972-05-24 |
| DE1922215A1 (de) | 1971-08-12 |
| FR1593824A (US20110009641A1-20110113-C00185.png) | 1970-06-01 |
| SE350566B (US20110009641A1-20110113-C00185.png) | 1972-10-30 |
