CA2283447A1 - Dispositif de percussion entraine par du liquide - Google Patents

Dispositif de percussion entraine par du liquide Download PDF

Info

Publication number
CA2283447A1
CA2283447A1 CA002283447A CA2283447A CA2283447A1 CA 2283447 A1 CA2283447 A1 CA 2283447A1 CA 002283447 A CA002283447 A CA 002283447A CA 2283447 A CA2283447 A CA 2283447A CA 2283447 A1 CA2283447 A1 CA 2283447A1
Authority
CA
Canada
Prior art keywords
hammer piston
impact device
liquid driven
driven impact
liquid
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
CA002283447A
Other languages
English (en)
Other versions
CA2283447C (fr
Inventor
Berndt Ekwall
Andreas Nordbrandt
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.)
Epiroc Rock Drills AB
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
Publication of CA2283447A1 publication Critical patent/CA2283447A1/fr
Application granted granted Critical
Publication of CA2283447C publication Critical patent/CA2283447C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
CA002283447A 1997-03-18 1998-03-12 Dispositif de percussion entraine par du liquide Expired - Fee Related CA2283447C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9700974A SE9700974D0 (sv) 1997-03-18 1997-03-18 Fluidumdrivet slagverk
SE9700974-0 1997-03-18
PCT/SE1998/000447 WO1998041726A1 (fr) 1997-03-18 1998-03-12 Dispositif de percussion entraine par du liquide

Publications (2)

Publication Number Publication Date
CA2283447A1 true CA2283447A1 (fr) 1998-09-24
CA2283447C CA2283447C (fr) 2006-10-31

Family

ID=20406198

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002283447A Expired - Fee Related CA2283447C (fr) 1997-03-18 1998-03-12 Dispositif de percussion entraine par du liquide

Country Status (4)

Country Link
AU (1) AU728663B2 (fr)
CA (1) CA2283447C (fr)
SE (1) SE9700974D0 (fr)
WO (1) WO1998041726A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201101033D0 (en) * 2011-01-21 2011-03-09 Nov Downhole Eurasia Ltd Downhole tool

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3599730A (en) * 1970-01-07 1971-08-17 Atlas Copco Ab Pressure fluid operated percussion tool
US4446929A (en) * 1979-06-11 1984-05-08 Dresser Industries, Inc. Fluid operated rock drill hammer

Also Published As

Publication number Publication date
WO1998041726A1 (fr) 1998-09-24
CA2283447C (fr) 2006-10-31
SE9700974D0 (sv) 1997-03-18
AU728663B2 (en) 2001-01-18
AU6429598A (en) 1998-10-12

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed