SE8902082L - Borrverktyg - Google Patents

Borrverktyg

Info

Publication number
SE8902082L
SE8902082L SE8902082A SE8902082A SE8902082L SE 8902082 L SE8902082 L SE 8902082L SE 8902082 A SE8902082 A SE 8902082A SE 8902082 A SE8902082 A SE 8902082A SE 8902082 L SE8902082 L SE 8902082L
Authority
SE
Sweden
Prior art keywords
drilling tools
drilling
tools
Prior art date
Application number
SE8902082A
Other languages
English (en)
Other versions
SE8902082D0 (sv
Inventor
K-O Jansson
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 SE8902082A priority Critical patent/SE8902082L/sv
Publication of SE8902082D0 publication Critical patent/SE8902082D0/sv
Priority to AU55975/90A priority patent/AU633319B2/en
Priority to EP19900850220 priority patent/EP0402337A3/en
Priority to CA002018445A priority patent/CA2018445A1/en
Priority to FI902847A priority patent/FI902847A0/fi
Priority to BR909002718A priority patent/BR9002718A/pt
Priority to KR1019900008592A priority patent/KR910000284A/ko
Publication of SE8902082L publication Critical patent/SE8902082L/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
    • 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
    • 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

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)
SE8902082A 1989-06-09 1989-06-09 Borrverktyg SE8902082L (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE8902082A SE8902082L (sv) 1989-06-09 1989-06-09 Borrverktyg
AU55975/90A AU633319B2 (en) 1989-06-09 1990-05-28 Drill tool
EP19900850220 EP0402337A3 (en) 1989-06-09 1990-05-31 Drill tool
CA002018445A CA2018445A1 (en) 1989-06-09 1990-06-07 Drill tool
FI902847A FI902847A0 (fi) 1989-06-09 1990-06-07 Borrningsverktyg.
BR909002718A BR9002718A (pt) 1989-06-09 1990-06-08 Broca de furacao,tubo de revestimento e dispositivo de guia
KR1019900008592A KR910000284A (ko) 1989-06-09 1990-06-09 드릴공구

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8902082A SE8902082L (sv) 1989-06-09 1989-06-09 Borrverktyg

Publications (2)

Publication Number Publication Date
SE8902082D0 SE8902082D0 (sv) 1989-06-09
SE8902082L true SE8902082L (sv) 1990-12-10

Family

ID=20376226

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8902082A SE8902082L (sv) 1989-06-09 1989-06-09 Borrverktyg

Country Status (2)

Country Link
BR (1) BR9002718A (sv)
SE (1) SE8902082L (sv)

Also Published As

Publication number Publication date
SE8902082D0 (sv) 1989-06-09
BR9002718A (pt) 1991-08-20

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