BR9002718A - Broca de furacao,tubo de revestimento e dispositivo de guia - Google Patents

Broca de furacao,tubo de revestimento e dispositivo de guia

Info

Publication number
BR9002718A
BR9002718A BR909002718A BR9002718A BR9002718A BR 9002718 A BR9002718 A BR 9002718A BR 909002718 A BR909002718 A BR 909002718A BR 9002718 A BR9002718 A BR 9002718A BR 9002718 A BR9002718 A BR 9002718A
Authority
BR
Brazil
Prior art keywords
drill
guide device
coating tube
coating
tube
Prior art date
Application number
BR909002718A
Other languages
English (en)
Portuguese (pt)
Inventor
Kjell-Ove Jansson
Bjorn Lundahl
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
Publication of BR9002718A publication Critical patent/BR9002718A/pt

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)
BR909002718A 1989-06-09 1990-06-08 Broca de furacao,tubo de revestimento e dispositivo de guia BR9002718A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR9002718A true BR9002718A (pt) 1991-08-20

Family

ID=20376226

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909002718A BR9002718A (pt) 1989-06-09 1990-06-08 Broca de furacao,tubo de revestimento e dispositivo de guia

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
SE8902082L (sv) 1990-12-10

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