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AU2002311319A1 - Reverse Circulation Downhole Hammer - Google Patents

Reverse Circulation Downhole Hammer

Info

Publication number
AU2002311319A1
AU2002311319A1 AU2002311319A AU2002311319A AU2002311319A1 AU 2002311319 A1 AU2002311319 A1 AU 2002311319A1 AU 2002311319 A AU2002311319 A AU 2002311319A AU 2002311319 A AU2002311319 A AU 2002311319A AU 2002311319 A1 AU2002311319 A1 AU 2002311319A1
Authority
AU
Australia
Prior art keywords
reverse circulation
downhole hammer
circulation downhole
hammer
reverse
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.)
Granted
Application number
AU2002311319A
Other versions
AU2002311319B2 (en
Inventor
Ian Graeme Rear
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
Sandvik Mining and Construction Australia Production Supply Pty 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
Priority claimed from AUPR7539A external-priority patent/AUPR753901A0/en
Application filed by Sandvik Mining and Construction Australia Production Supply Pty Ltd filed Critical Sandvik Mining and Construction Australia Production Supply Pty Ltd
Priority to AU2002311319A priority Critical patent/AU2002311319B2/en
Priority claimed from AU2002311319A external-priority patent/AU2002311319B2/en
Publication of AU2002311319A1 publication Critical patent/AU2002311319A1/en
Application granted granted Critical
Publication of AU2002311319B2 publication Critical patent/AU2002311319B2/en
Assigned to SANDVIK RC TOOLS AUSTRALIA PTY LIMITED reassignment SANDVIK RC TOOLS AUSTRALIA PTY LIMITED Request for Assignment Assignors: REAR, IAN GRAEME
Assigned to SANDVIK MINING AND CONSTRUCTION AUSTRALIA (PRODUCTION/SUPPLY) PTY LTD reassignment SANDVIK MINING AND CONSTRUCTION AUSTRALIA (PRODUCTION/SUPPLY) PTY LTD Request for Assignment Assignors: SANDVIK RC TOOLS AUSTRALIA PTY LIMITED
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

AU2002311319A 2001-09-06 2002-11-29 Reverse Circulation Downhole Hammer Ceased AU2002311319B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002311319A AU2002311319B2 (en) 2001-09-06 2002-11-29 Reverse Circulation Downhole Hammer

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPR7539A AUPR753901A0 (en) 2001-09-06 2001-09-06 Reverse circulation downhole hammer
AUPR7539 2001-09-06
AU2002311319A AU2002311319B2 (en) 2001-09-06 2002-11-29 Reverse Circulation Downhole Hammer

Publications (2)

Publication Number Publication Date
AU2002311319A1 true AU2002311319A1 (en) 2003-06-12
AU2002311319B2 AU2002311319B2 (en) 2008-04-10

Family

ID=39310984

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002311319A Ceased AU2002311319B2 (en) 2001-09-06 2002-11-29 Reverse Circulation Downhole Hammer

Country Status (1)

Country Link
AU (1) AU2002311319B2 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8406957D0 (en) * 1984-03-16 1984-04-18 Ennis M S J Hammer
GB8611091D0 (en) * 1986-05-07 1986-06-11 Ennis M S J Borehole drill construction
US4819746A (en) * 1987-01-13 1989-04-11 Minroc Technical Promotions Ltd. Reverse circulation down-the-hole hammer drill and bit therefor
US4921056A (en) * 1987-04-23 1990-05-01 Ennis Melvyn S J Hammer drills for making boreholes
US4921052A (en) * 1988-03-24 1990-05-01 Rear Ian G Downhole recirculating hammer
AU604171B2 (en) * 1988-11-09 1990-12-06 Wallis Industries Pty Ltd Improved downhole hammer

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