IT994321B - Martello perforatore - Google Patents
Martello perforatoreInfo
- Publication number
- IT994321B IT994321B IT5272173A IT5272173A IT994321B IT 994321 B IT994321 B IT 994321B IT 5272173 A IT5272173 A IT 5272173A IT 5272173 A IT5272173 A IT 5272173A IT 994321 B IT994321 B IT 994321B
- Authority
- IT
- Italy
- Prior art keywords
- perforating
- hammer
- perforating hammer
- Prior art date
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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
-
- 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
- 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
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)
- Percussive Tools And Related Accessories (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT829272A AT323100B (de) | 1972-09-27 | 1972-09-27 | Versenkhammer |
Publications (1)
Publication Number | Publication Date |
---|---|
IT994321B true IT994321B (it) | 1975-10-20 |
Family
ID=3604172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT5272173A IT994321B (it) | 1972-09-27 | 1973-09-24 | Martello perforatore |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT323100B (it) |
BE (1) | BE805348A (it) |
DE (1) | DE2343082B2 (it) |
FR (1) | FR2200434A1 (it) |
IT (1) | IT994321B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA7891B (en) * | 1978-01-06 | 1979-08-29 | Boart Int Ltd | Down-the-hole drilling |
FR2424408A1 (fr) * | 1978-04-24 | 1979-11-23 | Stenuick Freres | Taillant de perforation pour marteau pneumatique fond-de-trou |
-
1972
- 1972-09-27 AT AT829272A patent/AT323100B/de not_active IP Right Cessation
-
1973
- 1973-08-25 DE DE19732343082 patent/DE2343082B2/de not_active Ceased
- 1973-09-24 FR FR7334065A patent/FR2200434A1/fr active Granted
- 1973-09-24 IT IT5272173A patent/IT994321B/it active
- 1973-09-26 BE BE136073A patent/BE805348A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE2343082A1 (de) | 1974-04-04 |
FR2200434B1 (it) | 1977-08-12 |
AT323100B (de) | 1975-06-25 |
BE805348A (fr) | 1974-01-16 |
FR2200434A1 (en) | 1974-04-19 |
DE2343082B2 (de) | 1980-04-24 |
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