AU7524791A - - Google Patents
Info
- Publication number
- AU7524791A AU7524791A AU7524791A AU7524791A AU7524791A AU 7524791 A AU7524791 A AU 7524791A AU 7524791 A AU7524791 A AU 7524791A AU 7524791 A AU7524791 A AU 7524791A AU 7524791 A AU7524791 A AU 7524791A
- Authority
- AU
- Australia
- 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.)
- Granted
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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
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- 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
- E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU75247/91A AU620785B3 (en) | 1990-04-26 | 1991-04-23 | Transmission sleeve for a down hole hammer |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPJ9817 | 1990-04-26 | ||
| AUPJ981790 | 1990-04-26 | ||
| AUPK3850 | 1990-12-12 | ||
| AU75247/91A AU620785B3 (en) | 1990-04-26 | 1991-04-23 | Transmission sleeve for a down hole hammer |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU75386/91A Division AU638571B2 (en) | 1990-04-26 | 1991-04-24 | Transmission sleeve for a down hole hammer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU7524791A true AU7524791A (en) | 1991-11-14 |
| AU620785B3 AU620785B3 (en) | 1992-01-09 |
Family
ID=25637875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU75247/91A Ceased AU620785B3 (en) | 1990-04-26 | 1991-04-23 | Transmission sleeve for a down hole hammer |
Country Status (1)
| Country | Link |
|---|---|
| AU (1) | AU620785B3 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505947A (en) * | 2018-01-15 | 2018-09-07 | 叶蕴 | Interior pressing device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3527239A (en) * | 1968-09-26 | 1970-09-08 | Gardner Denver Co | Exhaust tube for down-hole drill |
| DE3170187D1 (en) * | 1980-11-18 | 1985-05-30 | Procter & Gamble | Concentrated fabric softening compositions |
-
1991
- 1991-04-23 AU AU75247/91A patent/AU620785B3/en not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108505947A (en) * | 2018-01-15 | 2018-09-07 | 叶蕴 | Interior pressing device |
| CN108505947B (en) * | 2018-01-15 | 2022-02-11 | 叶蕴 | Hollow drill bit for discharging wastes out of barrel |
Also Published As
| Publication number | Publication date |
|---|---|
| AU620785B3 (en) | 1992-01-09 |