AU682640B2 - A reverse circulation down-the-hole drill - Google Patents

A reverse circulation down-the-hole drill

Info

Publication number
AU682640B2
AU682640B2 AU40793/96A AU4079396A AU682640B2 AU 682640 B2 AU682640 B2 AU 682640B2 AU 40793/96 A AU40793/96 A AU 40793/96A AU 4079396 A AU4079396 A AU 4079396A AU 682640 B2 AU682640 B2 AU 682640B2
Authority
AU
Australia
Prior art keywords
hole drill
reverse circulation
circulation down
reverse
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
Application number
AU40793/96A
Other versions
AU4079396A (en
Inventor
Joseph Purcell
Patrick 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.)
Sandvik Mining and Construction Australia Production Supply Pty 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 AU4079396A publication Critical patent/AU4079396A/en
Application granted granted Critical
Publication of AU682640B2 publication Critical patent/AU682640B2/en
Assigned to AZUKO PTY LTD reassignment AZUKO PTY LTD Alteration of Name(s) in Register under S187 Assignors: MINROC TECHNICAL PROMOTIONS LTD.
Assigned to SANDVIK RC TOOLS AUSTRALIA PTY LTD reassignment SANDVIK RC TOOLS AUSTRALIA PTY LTD Alteration of Name(s) in Register under S187 Assignors: AZUKO PTY LTD
Anticipated expiration legal-status Critical
Assigned to SANDVIK MINING AND CONSTRUCTION AUSTRALIA (PRODUCTION/SUPPLY) PTY LTD reassignment SANDVIK MINING AND CONSTRUCTION AUSTRALIA (PRODUCTION/SUPPLY) PTY LTD Alteration of Name(s) in Register under S187 Assignors: SANDVIK RC TOOLS AUSTRALIA PTY LTD
Expired 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
    • 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
    • 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)
  • Earth Drilling (AREA)
AU40793/96A 1995-01-06 1996-01-04 A reverse circulation down-the-hole drill Expired AU682640B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IE950010 1995-01-06
IE950010A IE80718B1 (en) 1995-01-06 1995-01-06 A reverse circulation down-the-hole drill

Publications (2)

Publication Number Publication Date
AU4079396A AU4079396A (en) 1996-07-18
AU682640B2 true AU682640B2 (en) 1997-10-09

Family

ID=11040619

Family Applications (1)

Application Number Title Priority Date Filing Date
AU40793/96A Expired AU682640B2 (en) 1995-01-06 1996-01-04 A reverse circulation down-the-hole drill

Country Status (4)

Country Link
AU (1) AU682640B2 (en)
GB (1) GB2296731B (en)
IE (1) IE80718B1 (en)
ZA (1) ZA9630B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU747795B2 (en) * 1997-10-01 2002-05-23 Sandvik Mining And Construction Adelaide Ltd Hammer
AUPO957097A0 (en) * 1997-10-01 1997-10-30 Rear, Ian Graeme Hammer
WO1999057412A1 (en) * 1998-05-05 1999-11-11 Gien Bernard L Down-hole hammer drill having reverse circulation and sample tube
IES81005B2 (en) 1998-11-27 1999-09-08 Minroc Technical Promotions Li Segmented ring mounting for a fluid-operated percussion drill tool
AU2002311304B2 (en) * 2001-09-21 2008-04-03 Sandvik Mining And Construction Australia (Production/Supply) Pty Ltd Reverse circulation hammer
AUPR879901A0 (en) 2001-11-13 2001-12-06 Sds Digger Tools Pty Ltd An improved transmission sleeve
GB0407947D0 (en) * 2004-04-07 2004-05-12 Halco Drilling Internat Ltd Improvements in or relating to rock drilling equipment
IES20050495A2 (en) 2005-07-20 2006-11-01 Minroc Techn Promotions Ltd A drill bit assembly for fluid-operated percussion drill tools
WO2007056035A1 (en) 2005-11-03 2007-05-18 Rockmore International, Inc. Backhead and drill assembly with backhead
PE20171458A1 (en) 2014-10-24 2017-10-11 Laserbond Ltd METHOD AND APPARATUS FOR COATING A SURFACE OF AN ARTICLE
WO2018107305A1 (en) * 2016-12-14 2018-06-21 Jaime Andres Aros Pressurised fluid flow system including multiple working chambers for a down-the-hole hammer and normal-circulation down-the-hole hammer comprising said system
AU2020311828A1 (en) * 2019-07-11 2022-02-03 Ignis Technologies Pty Ltd Return exhaust assembly for a reverse circulation hammer
CN117145379B (en) * 2023-10-31 2024-01-30 长沙黑金刚实业有限公司 Reverse circulation impactor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2175941A (en) * 1985-06-07 1986-12-10 Weaver & Hurt Ltd Rock drills
US4917194A (en) * 1988-11-09 1990-04-17 Wallis Industries Pty Ltd. Improved downhole hammer
US4921052A (en) * 1988-03-24 1990-05-01 Rear Ian G Downhole recirculating hammer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2175941A (en) * 1985-06-07 1986-12-10 Weaver & Hurt Ltd Rock drills
US4921052A (en) * 1988-03-24 1990-05-01 Rear Ian G Downhole recirculating hammer
US4917194A (en) * 1988-11-09 1990-04-17 Wallis Industries Pty Ltd. Improved downhole hammer

Also Published As

Publication number Publication date
GB2296731B (en) 1997-03-19
IE80718B1 (en) 1998-12-30
GB2296731A (en) 1996-07-10
AU4079396A (en) 1996-07-18
ZA9630B (en) 1996-07-30
GB9600228D0 (en) 1996-03-06
IE950010A1 (en) 1996-07-10

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Legal Events

Date Code Title Description
PC Assignment registered

Owner name: AZUKO PTY LTD

Free format text: FORMER OWNER WAS: MINROC TECHNICAL PROMOTIONS LTD.