ZA866646B - Downhole hammer - Google Patents

Downhole hammer

Info

Publication number
ZA866646B
ZA866646B ZA866646A ZA866646A ZA866646B ZA 866646 B ZA866646 B ZA 866646B ZA 866646 A ZA866646 A ZA 866646A ZA 866646 A ZA866646 A ZA 866646A ZA 866646 B ZA866646 B ZA 866646B
Authority
ZA
South Africa
Prior art keywords
downhole hammer
downhole
hammer
Prior art date
Application number
ZA866646A
Other languages
English (en)
Inventor
Ronald Edmond Eaton
Original Assignee
Wallis Drilling 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
Application filed by Wallis Drilling Pty Ltd filed Critical Wallis Drilling Pty Ltd
Publication of ZA866646B publication Critical patent/ZA866646B/xx

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)
  • Earth Drilling (AREA)
ZA866646A 1985-09-02 1986-09-02 Downhole hammer ZA866646B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPH225085 1985-09-02

Publications (1)

Publication Number Publication Date
ZA866646B true ZA866646B (en) 1987-07-29

Family

ID=3771256

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA866646A ZA866646B (en) 1985-09-02 1986-09-02 Downhole hammer

Country Status (6)

Country Link
US (1) US4771835A (xx)
JP (1) JPS63500729A (xx)
BR (1) BR8607178A (xx)
CA (1) CA1264733A (xx)
WO (1) WO1987001413A1 (xx)
ZA (1) ZA866646B (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4921056A (en) * 1987-04-23 1990-05-01 Ennis Melvyn S J Hammer drills for making boreholes
US4840238A (en) * 1987-08-25 1989-06-20 Ing. Gunter Klemm Spezialunternehmen Fur Bohrtechnik Superposed drilling device
US4932483A (en) * 1988-02-16 1990-06-12 Ian G. Rear Down hole hammer
AU599533B2 (en) * 1988-03-24 1990-07-19 Ian Graeme Rear Downhole recirculating hammer
US5957220A (en) * 1995-10-17 1999-09-28 Dresser-Rand Company Percussion drill assembly
US5662180A (en) * 1995-10-17 1997-09-02 Dresser-Rand Company Percussion drill assembly
US7040417B2 (en) * 2003-12-11 2006-05-09 Cct Technologies, L.L.C. Drilling systems
WO2006012240A1 (en) * 2004-06-25 2006-02-02 Atlas Copco Secoroc Ab Entrainment fluid channeling device for a down-hole drill string
US20070137895A1 (en) * 2005-12-21 2007-06-21 Smith International, Inc. Percussion drill bit with V-shaped splines
EP2673450B1 (en) 2011-02-11 2021-02-24 Top Mark Mechanical Equipment Limited Annulus ring hole drill

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3225841A (en) * 1962-08-31 1965-12-28 Joy Mfg Co Drilling apparatus
BE637490A (xx) * 1962-09-17
US3795283A (en) * 1972-06-15 1974-03-05 Shuttle Mountain Holdings Co L Apparatus for drilling and sampling rock formations
GB1419981A (en) * 1973-01-09 1976-01-07 Halifax Tool Co Ltd Percussion drills
US3871486A (en) * 1973-08-29 1975-03-18 Bakerdrill Inc Continuous coring system and apparatus
AU486095B2 (en) * 1973-08-29 1975-09-25 Bakerdrill, Inc Air hammer for continuous coring system
AU486077B2 (en) * 1975-07-02 1975-09-18 Bakerdrill, Inc Swivel for core drilling
AU484673B2 (en) * 1975-07-02 1975-09-18 Bakerdrill, Inc Core bit
AU486118B2 (en) * 1975-07-02 1975-09-18 Bakerdrill, Inc Dual concentric drill pipe for continuous coring system
DE2854461C2 (de) * 1978-12-16 1983-03-10 Wirth Maschinen- und Bohrgeräte-Fabrik GmbH, 5140 Erkelenz Versenkbohrhammer
US4509606A (en) * 1980-10-29 1985-04-09 Walker-Neer Manufacturing Co., Inc. Axial return hammer

Also Published As

Publication number Publication date
JPS63500729A (ja) 1988-03-17
BR8607178A (pt) 1988-09-13
US4771835A (en) 1988-09-20
CA1264733A (en) 1990-01-23
WO1987001413A1 (en) 1987-03-12

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