AU3132589A - Downhole recirculating hammer - Google Patents

Downhole recirculating hammer

Info

Publication number
AU3132589A
AU3132589A AU31325/89A AU3132589A AU3132589A AU 3132589 A AU3132589 A AU 3132589A AU 31325/89 A AU31325/89 A AU 31325/89A AU 3132589 A AU3132589 A AU 3132589A AU 3132589 A AU3132589 A AU 3132589A
Authority
AU
Australia
Prior art keywords
recirculating
downhole
hammer
recirculating hammer
downhole recirculating
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
AU31325/89A
Other versions
AU599533B2 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU31325/89A priority Critical patent/AU599533B2/en
Publication of AU3132589A publication Critical patent/AU3132589A/en
Application granted granted Critical
Publication of AU599533B2 publication Critical patent/AU599533B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • 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
AU31325/89A 1988-03-24 1989-03-15 Downhole recirculating hammer Ceased AU599533B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU31325/89A AU599533B2 (en) 1988-03-24 1989-03-15 Downhole recirculating hammer

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPI7422 1988-03-24
AUPI742288 1988-03-24
AU31325/89A AU599533B2 (en) 1988-03-24 1989-03-15 Downhole recirculating hammer

Publications (2)

Publication Number Publication Date
AU3132589A true AU3132589A (en) 1989-09-28
AU599533B2 AU599533B2 (en) 1990-07-19

Family

ID=25621735

Family Applications (1)

Application Number Title Priority Date Filing Date
AU31325/89A Ceased AU599533B2 (en) 1988-03-24 1989-03-15 Downhole recirculating hammer

Country Status (1)

Country Link
AU (1) AU599533B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU729944B2 (en) * 1996-06-28 2001-02-15 Ian Graeme Rear Improved fluid operated hammer

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU647604B2 (en) * 1991-04-04 1994-03-24 Ian Graeme Rear Uphole Hammer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU558266B2 (en) * 1980-07-01 1987-01-22 Rear, I.G. Improved fluid operated hammer
US4819739A (en) * 1984-08-31 1989-04-11 Dresser Industries, Inc. Fluid actuated rock drill hammer
CA1264733A (en) * 1985-09-02 1990-01-23 Ronald Edmond Eaton Downhole hammer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU729944B2 (en) * 1996-06-28 2001-02-15 Ian Graeme Rear Improved fluid operated hammer

Also Published As

Publication number Publication date
AU599533B2 (en) 1990-07-19

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired