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AU4448401A - "down-the-hole" hammer with variable pressure chamber - Google Patents

"down-the-hole" hammer with variable pressure chamber

Info

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
Application number
AU44484/01A
Inventor
Joseph Purcell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Minroc Technical Promotions Ltd
Original Assignee
Minroc Technical Promotions Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Minroc Technical Promotions Ltd filed Critical Minroc Technical Promotions Ltd
Publication of AU4448401A publication Critical patent/AU4448401A/en
Abandoned legal-status Critical Current

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)
AU44484/01A 2000-03-22 2001-03-21 "down-the-hole" hammer with variable pressure chamber Abandoned AU4448401A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7617889B2 (en) 2005-11-03 2009-11-17 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
WO2001071150A1 (en) 2001-09-27
IES20000221A2 (en) 2001-10-03

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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