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NO910988L - Fremgangsmaate og utstyr for bearbeiding av foringsroer. - Google Patents

Fremgangsmaate og utstyr for bearbeiding av foringsroer.

Info

Publication number
NO910988L
NO910988L NO91910988A NO910988A NO910988L NO 910988 L NO910988 L NO 910988L NO 91910988 A NO91910988 A NO 91910988A NO 910988 A NO910988 A NO 910988A NO 910988 L NO910988 L NO 910988L
Authority
NO
Norway
Prior art keywords
equipment
blades
pipe
procedure
couplings
Prior art date
Application number
NO91910988A
Other languages
English (en)
Other versions
NO910988D0 (no
Inventor
Johann B Springer
Original Assignee
Smith International
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 Smith International filed Critical Smith International
Publication of NO910988D0 publication Critical patent/NO910988D0/no
Publication of NO910988L publication Critical patent/NO910988L/no

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
    • E21B23/004—Indexing systems for guiding relative movement between telescoping parts of downhole tools
    • E21B23/006—"J-slot" systems, i.e. lug and slot indexing mechanisms
    • 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
    • E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • E21B29/002—Cutting, e.g. milling, a pipe with a cutter rotating along the circumference of the pipe
    • E21B29/005—Cutting, e.g. milling, a pipe with a cutter rotating along the circumference of the pipe with a radially-expansible cutter rotating inside the pipe, e.g. for cutting an annular window
    • 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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E21B10/322—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Crushing And Grinding (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)

Abstract

Fremgangsmåte og utstyr for bearbeiding av foringsrør (16) som er sementert i en oljebrønn, idet utstyret omfatter en bæredel med flere faste bearbeidingsblader (17) som har en diameter som tilsvarer ytterdiameteren til foringsrøret (16) samt flere blader (12) som kan beveges mellom en indre stilling som muliggjør innføring i foringsrøret og en ytre stilling hvor avstanden mellom bladenes ytre begrensninger tilsvarer ytterdiameteren til rørkpblinger (15) mellom nabo-rørseksjoner. Baeredelen inneholder en mekanisme (13) for å bevege bladene (12) mellom disse stillinger i avhengighet av strømmen av et borefluid. En stabilisator (14) holder utstyret sentrert i røret (16) som skal bearbeides. Utstyret kan benyttes til å bearbeide både røret (16) og koblingene (15) i koblingsområdene og til bare å bearbeide røret i områdene mellom koblingene.
NO91910988A 1990-05-29 1991-03-13 Fremgangsmaate og utstyr for bearbeiding av foringsroer. NO910988L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/530,107 US5010955A (en) 1990-05-29 1990-05-29 Casing mill and method

Publications (2)

Publication Number Publication Date
NO910988D0 NO910988D0 (no) 1991-03-13
NO910988L true NO910988L (no) 1991-12-02

Family

ID=24112472

Family Applications (1)

Application Number Title Priority Date Filing Date
NO91910988A NO910988L (no) 1990-05-29 1991-03-13 Fremgangsmaate og utstyr for bearbeiding av foringsroer.

Country Status (4)

Country Link
US (1) US5010955A (no)
EP (1) EP0459610B1 (no)
DE (1) DE69120605D1 (no)
NO (1) NO910988L (no)

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Also Published As

Publication number Publication date
EP0459610A3 (en) 1992-10-28
DE69120605D1 (de) 1996-08-08
EP0459610B1 (en) 1996-07-03
EP0459610A2 (en) 1991-12-04
US5010955A (en) 1991-04-30
NO910988D0 (no) 1991-03-13

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