SE9700604L - Borrverktyg för slående borrning - Google Patents

Borrverktyg för slående borrning

Info

Publication number
SE9700604L
SE9700604L SE9700604A SE9700604A SE9700604L SE 9700604 L SE9700604 L SE 9700604L SE 9700604 A SE9700604 A SE 9700604A SE 9700604 A SE9700604 A SE 9700604A SE 9700604 L SE9700604 L SE 9700604L
Authority
SE
Sweden
Prior art keywords
drilling
narrowing
components
striking
drill
Prior art date
Application number
SE9700604A
Other languages
English (en)
Other versions
SE9700604D0 (sv
Inventor
Per-Olof Liljebrand
Haakan Engstroem
Original Assignee
Sandvik 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 Sandvik Ab filed Critical Sandvik Ab
Priority to SE9700604A priority Critical patent/SE9700604L/sv
Publication of SE9700604D0 publication Critical patent/SE9700604D0/sv
Publication of SE9700604L publication Critical patent/SE9700604L/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like

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)
SE9700604A 1997-02-21 1997-02-21 Borrverktyg för slående borrning SE9700604L (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9700604A SE9700604L (sv) 1997-02-21 1997-02-21 Borrverktyg för slående borrning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9700604A SE9700604L (sv) 1997-02-21 1997-02-21 Borrverktyg för slående borrning

Publications (2)

Publication Number Publication Date
SE9700604D0 SE9700604D0 (sv) 1997-02-21
SE9700604L true SE9700604L (sv) 1998-08-22

Family

ID=20405867

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9700604A SE9700604L (sv) 1997-02-21 1997-02-21 Borrverktyg för slående borrning

Country Status (1)

Country Link
SE (1) SE9700604L (sv)

Also Published As

Publication number Publication date
SE9700604D0 (sv) 1997-02-21

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