IT8420796A1 - Apparecchiatura di trivellazione pneumatica del tipo comprendente una punta di trivella e un dispositivo di azionamento di essa avente un meccanismo di penetrazione della trivella azionato pneumaticamente - Google Patents
Apparecchiatura di trivellazione pneumatica del tipo comprendente una punta di trivella e un dispositivo di azionamento di essa avente un meccanismo di penetrazione della trivella azionato pneumaticamenteInfo
- Publication number
- IT8420796A1 IT8420796A1 IT1984A20796A IT2079684A IT8420796A1 IT 8420796 A1 IT8420796 A1 IT 8420796A1 IT 1984A20796 A IT1984A20796 A IT 1984A20796A IT 2079684 A IT2079684 A IT 2079684A IT 8420796 A1 IT8420796 A1 IT 8420796A1
- Authority
- IT
- Italy
- Prior art keywords
- type including
- pneumatically operated
- drill
- drill bit
- penetration mechanism
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 1
- 230000035515 penetration Effects 0.000 title 1
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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
-
- 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
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
- E21B7/208—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes using down-hole drives
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)
- Check Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8302599A SE8302599L (sv) | 1983-05-06 | 1983-05-06 | Anordning vid en borrutrustning |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8420796A0 IT8420796A0 (it) | 1984-05-04 |
IT8420796A1 true IT8420796A1 (it) | 1985-11-04 |
IT1174076B IT1174076B (it) | 1987-07-01 |
Family
ID=20351112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20796/84A IT1174076B (it) | 1983-05-06 | 1984-05-04 | Apparecchiatura di trivellazione pneumatica del tipo comprendente una punta di trivella e un dispositivo di azionamento di essa avente un meccanismo di penetrazione nella trivella azionato pneumaticamente |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0142545A1 (it) |
CA (1) | CA1213879A (it) |
IT (1) | IT1174076B (it) |
SE (1) | SE8302599L (it) |
WO (1) | WO1984004562A1 (it) |
ZA (1) | ZA843410B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4578365A (en) * | 1984-11-26 | 1986-03-25 | General Electric Company | High thermal conductivity ceramic body of aluminum nitride |
SE466319B (sv) * | 1989-03-07 | 1992-01-27 | Atlas Copco Constr & Mining | Taetningsanordning foer vaetskespolning vid slaaende bergborrning |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2859733A (en) * | 1955-11-23 | 1958-11-11 | Bassinger Tool Company | Fluid actuated impact tool |
US4106571A (en) * | 1976-12-06 | 1978-08-15 | Reed Tool Co. | Pneumatic impact drilling tool |
SE413929B (sv) * | 1977-09-02 | 1980-06-30 | Trelleborgs Gummifabriks Ab | Injekteringsanordning |
-
1983
- 1983-05-06 SE SE8302599A patent/SE8302599L/ not_active Application Discontinuation
-
1984
- 1984-05-03 CA CA000453461A patent/CA1213879A/en not_active Expired
- 1984-05-04 WO PCT/SE1984/000166 patent/WO1984004562A1/en unknown
- 1984-05-04 IT IT20796/84A patent/IT1174076B/it active
- 1984-05-04 EP EP84902099A patent/EP0142545A1/en not_active Withdrawn
- 1984-05-07 ZA ZA843410A patent/ZA843410B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ZA843410B (en) | 1984-12-24 |
IT1174076B (it) | 1987-07-01 |
CA1213879A (en) | 1986-11-12 |
SE8302599D0 (sv) | 1983-05-06 |
WO1984004562A1 (en) | 1984-11-22 |
IT8420796A0 (it) | 1984-05-04 |
SE8302599L (sv) | 1984-11-07 |
EP0142545A1 (en) | 1985-05-29 |
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