SE9302833L - Arrangement for hole punching - Google Patents

Arrangement for hole punching

Info

Publication number
SE9302833L
SE9302833L SE9302833A SE9302833A SE9302833L SE 9302833 L SE9302833 L SE 9302833L SE 9302833 A SE9302833 A SE 9302833A SE 9302833 A SE9302833 A SE 9302833A SE 9302833 L SE9302833 L SE 9302833L
Authority
SE
Sweden
Prior art keywords
arrangement
hole punching
punching
hole
Prior art date
Application number
SE9302833A
Other languages
Swedish (sv)
Other versions
SE9302833D0 (en
Inventor
Uno Loef
Original Assignee
Unex Drill Systems Ab
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 Unex Drill Systems Ab filed Critical Unex Drill Systems Ab
Priority to SE9302833A priority Critical patent/SE9302833L/en
Publication of SE9302833D0 publication Critical patent/SE9302833D0/en
Publication of SE9302833L publication Critical patent/SE9302833L/en

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
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/40—Percussion drill bits with leading portion
    • 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
    • E21B10/00—Drill bits
    • E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
    • E21B10/66—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe the cutting element movable through the drilling pipe and laterally shiftable
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
SE9302833A 1993-09-02 1993-09-02 Arrangement for hole punching SE9302833L (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9302833A SE9302833L (en) 1993-09-02 1993-09-02 Arrangement for hole punching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9302833A SE9302833L (en) 1993-09-02 1993-09-02 Arrangement for hole punching

Publications (2)

Publication Number Publication Date
SE9302833D0 SE9302833D0 (en) 1993-09-02
SE9302833L true SE9302833L (en) 1995-03-03

Family

ID=20390955

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9302833A SE9302833L (en) 1993-09-02 1993-09-02 Arrangement for hole punching

Country Status (1)

Country Link
SE (1) SE9302833L (en)

Also Published As

Publication number Publication date
SE9302833D0 (en) 1993-09-02

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Legal Events

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