SE8603743D0 - DEVICE FOR ANCHORING A TOOL IN A DRILL HALL AND TOOLS INTENDED WITH SUCH A DEVICE - Google Patents

DEVICE FOR ANCHORING A TOOL IN A DRILL HALL AND TOOLS INTENDED WITH SUCH A DEVICE

Info

Publication number
SE8603743D0
SE8603743D0 SE8603743A SE8603743A SE8603743D0 SE 8603743 D0 SE8603743 D0 SE 8603743D0 SE 8603743 A SE8603743 A SE 8603743A SE 8603743 A SE8603743 A SE 8603743A SE 8603743 D0 SE8603743 D0 SE 8603743D0
Authority
SE
Sweden
Prior art keywords
tool
backs
anchoring
tools intended
hall
Prior art date
Application number
SE8603743A
Other languages
Swedish (sv)
Other versions
SE461051B (en
SE8603743L (en
Inventor
U J Lagne
S U Lof
Original Assignee
Atlas Copco 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 Atlas Copco Ab filed Critical Atlas Copco Ab
Priority to SE8603743A priority Critical patent/SE461051B/en
Publication of SE8603743D0 publication Critical patent/SE8603743D0/en
Priority to FI873863A priority patent/FI88197C/en
Priority to NO873730A priority patent/NO171517C/en
Publication of SE8603743L publication Critical patent/SE8603743L/en
Publication of SE461051B publication Critical patent/SE461051B/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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Piles And Underground Anchors (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
  • Dowels (AREA)

Abstract

The invention concerns an arrangement for fixing a tool in the required position in a bore. The arrangement comprises a tube-shaped radially expandable body 1,3 made up of a number of "backs" 3 joined together and arranged radially in star formation. The "backs" are linked together by flexible elements 2 which have a cross section at right angles to the body's axis, and which basically have the shape presented by the difference in the areas of two sectors of a circle with the same angle of centre, whose outer and inner surfaces connect with corresponding surfaces on the "backs" 3. <IMAGE>
SE8603743A 1986-09-08 1986-09-08 DEVICE FOR ANCHORING OF A TOOL IN A DRILL TOWN IN BERG SE461051B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE8603743A SE461051B (en) 1986-09-08 1986-09-08 DEVICE FOR ANCHORING OF A TOOL IN A DRILL TOWN IN BERG
FI873863A FI88197C (en) 1986-09-08 1987-09-07 Device for anchoring a tool in a borehole
NO873730A NO171517C (en) 1986-09-08 1987-09-07 DEVICE FOR ANCHORING A TOOL IN A DRILL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8603743A SE461051B (en) 1986-09-08 1986-09-08 DEVICE FOR ANCHORING OF A TOOL IN A DRILL TOWN IN BERG

Publications (3)

Publication Number Publication Date
SE8603743D0 true SE8603743D0 (en) 1986-09-08
SE8603743L SE8603743L (en) 1988-03-09
SE461051B SE461051B (en) 1989-12-18

Family

ID=20365508

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8603743A SE461051B (en) 1986-09-08 1986-09-08 DEVICE FOR ANCHORING OF A TOOL IN A DRILL TOWN IN BERG

Country Status (3)

Country Link
FI (1) FI88197C (en)
NO (1) NO171517C (en)
SE (1) SE461051B (en)

Also Published As

Publication number Publication date
NO171517B (en) 1992-12-14
FI873863A0 (en) 1987-09-07
FI88197C (en) 1993-04-13
FI873863A (en) 1988-03-09
NO873730L (en) 1988-03-09
FI88197B (en) 1992-12-31
NO873730D0 (en) 1987-09-07
SE461051B (en) 1989-12-18
SE8603743L (en) 1988-03-09
NO171517C (en) 1993-03-31

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