DE3871137D1 - Schlagbohrer mit austauschbarem schneid- oder bohrkopf mit abwaerts oder seitwaerts gerichteten spuelungskanaelen. - Google Patents
Schlagbohrer mit austauschbarem schneid- oder bohrkopf mit abwaerts oder seitwaerts gerichteten spuelungskanaelen.Info
- Publication number
- DE3871137D1 DE3871137D1 DE8888118509T DE3871137T DE3871137D1 DE 3871137 D1 DE3871137 D1 DE 3871137D1 DE 8888118509 T DE8888118509 T DE 8888118509T DE 3871137 T DE3871137 T DE 3871137T DE 3871137 D1 DE3871137 D1 DE 3871137D1
- Authority
- DE
- Germany
- Prior art keywords
- sideward
- downward
- drill bit
- drilling head
- impact drill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/12—Valve arrangements for boreholes or wells in wells operated by movement of casings or tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT12452/88A IT1220559B (it) | 1988-03-29 | 1988-03-29 | Perforatore a massa pattente con teste taglianti a scarico di fondo o a scarico laterale intercambiali |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3871137D1 true DE3871137D1 (de) | 1992-06-17 |
Family
ID=11140329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888118509T Expired - Fee Related DE3871137D1 (de) | 1988-03-29 | 1988-11-07 | Schlagbohrer mit austauschbarem schneid- oder bohrkopf mit abwaerts oder seitwaerts gerichteten spuelungskanaelen. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0336010B1 (de) |
AT (1) | ATE76158T1 (de) |
DE (1) | DE3871137D1 (de) |
IT (1) | IT1220559B (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6062322A (en) * | 1998-06-15 | 2000-05-16 | Sandvik Ab | Precussive down-the-hole rock drilling hammer |
US6131672A (en) * | 2000-02-14 | 2000-10-17 | Sandvik Ab | Percussive down-the-hole rock drilling hammer and piston therefor |
AU2002227964A1 (en) * | 2000-12-02 | 2002-06-11 | Tracto-Technik Gmbh | Pneumatic rock-boring device and method for starting such a device |
CN107191593B (zh) * | 2016-03-15 | 2020-07-10 | 中国石油化工股份有限公司 | 冲击器缸体及装配方法和其密封性能测试装置及方法 |
CN106285457B (zh) * | 2016-11-01 | 2018-09-18 | 山东中瑞工程机械有限公司 | 潜孔冲击器的风量自动调节分配装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3339649A (en) * | 1965-01-19 | 1967-09-05 | Atlas Copco Ab | Rock drill bits |
AT345759B (de) * | 1975-03-22 | 1978-10-10 | Walter Gmbh Co H P | Tieflochbohrhammer |
FR2424408A1 (fr) * | 1978-04-24 | 1979-11-23 | Stenuick Freres | Taillant de perforation pour marteau pneumatique fond-de-trou |
US4530408A (en) * | 1983-03-28 | 1985-07-23 | Toutant Roland J | Porting system for pneumatic impact hammer |
-
1988
- 1988-03-29 IT IT12452/88A patent/IT1220559B/it active
- 1988-11-07 EP EP88118509A patent/EP0336010B1/de not_active Expired - Lifetime
- 1988-11-07 AT AT88118509T patent/ATE76158T1/de not_active IP Right Cessation
- 1988-11-07 DE DE8888118509T patent/DE3871137D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0336010B1 (de) | 1992-05-13 |
EP0336010A1 (de) | 1989-10-11 |
IT1220559B (it) | 1990-06-15 |
IT8812452A0 (it) | 1988-03-29 |
ATE76158T1 (de) | 1992-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |