SE9303182L - Anordning för losstagning av borrkrona från borrstång - Google Patents

Anordning för losstagning av borrkrona från borrstång

Info

Publication number
SE9303182L
SE9303182L SE9303182A SE9303182A SE9303182L SE 9303182 L SE9303182 L SE 9303182L SE 9303182 A SE9303182 A SE 9303182A SE 9303182 A SE9303182 A SE 9303182A SE 9303182 L SE9303182 L SE 9303182L
Authority
SE
Sweden
Prior art keywords
drill
detaching
drill bit
rod
drill rod
Prior art date
Application number
SE9303182A
Other languages
English (en)
Other versions
SE9303182D0 (sv
SE503595C2 (sv
Inventor
Alvar Bengtsson
Original Assignee
Alvar Bengtsson
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 Alvar Bengtsson filed Critical Alvar Bengtsson
Priority to SE9303182A priority Critical patent/SE503595C2/sv
Publication of SE9303182D0 publication Critical patent/SE9303182D0/sv
Publication of SE9303182L publication Critical patent/SE9303182L/sv
Publication of SE503595C2 publication Critical patent/SE503595C2/sv

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
    • E21B12/00—Accessories for drilling tools
    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/18—Connecting or disconnecting drill bit and drilling pipe

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)
  • Percussive Tools And Related Accessories (AREA)
SE9303182A 1993-09-30 1993-09-30 Anordning för losstagning av borrkrona från borrstång SE503595C2 (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9303182A SE503595C2 (sv) 1993-09-30 1993-09-30 Anordning för losstagning av borrkrona från borrstång

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9303182A SE503595C2 (sv) 1993-09-30 1993-09-30 Anordning för losstagning av borrkrona från borrstång

Publications (3)

Publication Number Publication Date
SE9303182D0 SE9303182D0 (sv) 1993-09-30
SE9303182L true SE9303182L (sv) 1995-03-31
SE503595C2 SE503595C2 (sv) 1996-07-15

Family

ID=20391257

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9303182A SE503595C2 (sv) 1993-09-30 1993-09-30 Anordning för losstagning av borrkrona från borrstång

Country Status (1)

Country Link
SE (1) SE503595C2 (sv)

Also Published As

Publication number Publication date
SE9303182D0 (sv) 1993-09-30
SE503595C2 (sv) 1996-07-15

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Legal Events

Date Code Title Description
NUG Patent has lapsed