AU4448401A - "down-the-hole" hammer with variable pressure chamber - Google Patents
"down-the-hole" hammer with variable pressure chamberInfo
- Publication number
- AU4448401A AU4448401A AU44484/01A AU4448401A AU4448401A AU 4448401 A AU4448401 A AU 4448401A AU 44484/01 A AU44484/01 A AU 44484/01A AU 4448401 A AU4448401 A AU 4448401A AU 4448401 A AU4448401 A AU 4448401A
- Authority
- AU
- Australia
- Prior art keywords
- hammer
- hole
- pressure chamber
- variable pressure
- variable
- 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.)
- Abandoned
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
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)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IE2000/0221 | 2000-03-22 | ||
IES20000221 IES20000221A2 (en) | 2000-03-22 | 2000-03-22 | Down-the-hole hammer with variable pressure chamber |
PCT/IE2001/000036 WO2001071150A1 (en) | 2000-03-22 | 2001-03-21 | 'down-the-hole' hammer with variable pressure chamber |
Publications (1)
Publication Number | Publication Date |
---|---|
AU4448401A true AU4448401A (en) | 2001-10-03 |
Family
ID=11042584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU44484/01A Abandoned AU4448401A (en) | 2000-03-22 | 2001-03-21 | "down-the-hole" hammer with variable pressure chamber |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU4448401A (en) |
IE (1) | IES20000221A2 (en) |
WO (1) | WO2001071150A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007056035A1 (en) | 2005-11-03 | 2007-05-18 | Rockmore International, Inc. | Backhead and drill assembly with backhead |
CN117145378B (en) * | 2023-10-25 | 2024-02-02 | 长沙黑金刚实业有限公司 | Reverse circulation impactor |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4852669A (en) * | 1988-05-09 | 1989-08-01 | Walker Thomas A | Directional downhole drill apparatus |
US5131476A (en) * | 1990-12-18 | 1992-07-21 | Percussion Drilling, Inc. | Down hole percussion drill apparatus |
US5325926A (en) * | 1993-02-05 | 1994-07-05 | Ingersoll-Rand Company | Reversible casing for a down-the-hole percussive apparatus |
US5301761A (en) * | 1993-03-09 | 1994-04-12 | Ingersoll-Rand Company | Pressure reversing valve for a fluid-actuated, percussive drilling apparatus |
AUPM720294A0 (en) * | 1994-08-01 | 1994-08-25 | Sds Pacific Pte Ltd | Inner sleeve for a fluid operated piston type hammer |
US5566771A (en) * | 1995-08-30 | 1996-10-22 | Ingersoll-Rand Company | Reversible casing for a self-lubricating, fluid-actuated, percussive down-the-hole drill |
-
2000
- 2000-03-22 IE IES20000221 patent/IES20000221A2/en unknown
-
2001
- 2001-03-21 WO PCT/IE2001/000036 patent/WO2001071150A1/en active Application Filing
- 2001-03-21 AU AU44484/01A patent/AU4448401A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
IES20000221A2 (en) | 2001-10-03 |
WO2001071150A1 (en) | 2001-09-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |