DK3153655T3 - Sektionsfræser og fremgangsmåde til tillukning af en brøndboring - Google Patents

Sektionsfræser og fremgangsmåde til tillukning af en brøndboring Download PDF

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Publication number
DK3153655T3
DK3153655T3 DK16196900.1T DK16196900T DK3153655T3 DK 3153655 T3 DK3153655 T3 DK 3153655T3 DK 16196900 T DK16196900 T DK 16196900T DK 3153655 T3 DK3153655 T3 DK 3153655T3
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Denmark
Prior art keywords
window
section
arms
casing
cutter
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DK16196900.1T
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English (en)
Inventor
Thomas Bailey
Ram K Bansal
Andrew Antoine
Richard Segura
David J Brunnert
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Weatherford Tech Holdings Llc
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Publication of DK3153655T3 publication Critical patent/DK3153655T3/da

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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
    • 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
    • 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

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  • 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)
  • Earth Drilling (AREA)
  • Disintegrating Or Milling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Crushing And Grinding (AREA)

Claims (11)

  1. SEKTIONSFRÆSER OG FREMGANGSMÅDE TIL TILLUKNING AF EN BRØNDBORING
    1. Fremgangsmåde til fræsning af et indre foringsrør (119i) og et ydre foringsrør (119o, 319o) i én arbejdsgang, hvilken fremgangsmåde omfatter: anbringelse af en bundhulsenhed (bottomhole assembly - BHA) (200) i brøndboringen (116) gennem det indre foringsrør (1191), hvor BHA’en (200) omfatter indre og ydre vinduesfræsere (2011, 201o, 401ο, 451o, 501o, 551o) og indre og ydre sektionsfræsere (202i, 203i, 202o, 203o); udstrækning af armene (215r) af den indre vinduesfræser (201i) og radial skæring (165i) gennem det indre foringsrør (119i), hvorved der dannes et vindue (160i) gennem det indre foringsrør (1191); langsgående fremføring af BHA’en (200), mens det indre foringsrør (1191) fræses langsgående ved anvendelse af den udstrakte indre vinduesfræser (201 i), hvorved det indre vindue (160i) åbnes; og udstrækning af armene (215s) af den indre sektionsfræser (202i, 203i) gennem vinduet (1601) og langsgående fræsning af en sektion (1701) af det indre foringsrør (1191); udstrækning af armene (215r) af den ydre vinduesfræser (201ο, 401ο, 451o, 501o, 551o) gennem den fræsede sektion af det indre foringsrør (119i) og radial skæring gennem det ydre foringsrør (119o); langsgående fremføring af BHA’en (200), mens det ydre foringsrør (119o) fræses langsgående ved anvendelse af den udstrakte ydre vinduesfræser (201o, 401o, 451o), hvorved det ydre vindue (160o) åbnes; og udstrækning af armene (215s) af den ydre sektionsfræser (202o, 203o) gennem det ydre vindue (160o) og langsgående fræsning af en sektion af det ydre foringsrør (119o, 319o).
  2. 2. Fremgangsmåde ifølge krav 1, hvor vinduet (160i) dannes på et sted mellem koblinger af det indre foringsrør (1191), og det ydre vindue (160o) dannes på et sted mellem koblinger af det ydre foringsrør (119o, 319o).
  3. 3. Fremgangsmåde ifølge krav 1 eller 2, hvor vinduet (160i) åbnes, indtil den indre vinduesfræser (201 i) er opbrugt, og det ydre vindue (160o) åbnes, indtil den ydre vinduesfræser (201ο, 401o, 451o, 501o, 55lo) er opbrugt.
  4. 4. Fremgangsmåde ifølge krav 1, 2 eller 3, der endvidere omfatter udløsning af armene (215s) af én af sektionsfræsererne (202i, 203i, 202o, 203o) ved at lade et lukningselement (150a,b) falde ned i eller pumpe ind i BHA’en (200).
  5. 5. Fremgangsmåde ifølge krav 1, 2 eller 3, der endvidere omfatter udløsning af armene (215s) af én af sektionsfræsererne (202i, 203i, 202o, 203o) ved at sende et instruktionssignal til BHA’en (200) via telemetri.
  6. 6. Fremgangsmåde ifølge et hvilket som helst foregående krav, der endvidere omfatter udstrækning af armene (215s) af den ydre sektionsfræser (202o, 203o) gennem det ydre vindue (160o) og langsgående fræsning af en sektion af det ydre foringsrør (119o, 319o), mens den ydre vinduesfræser (201o, 401o, 451o, 501o, 551o) holdes i den udstrakte posision for stabilisering.
  7. 7. Fremgangsmåde ifølge et hvilket som helst foregående krav, der endvidere omfatter udstrækning af armene (215s) af den indre sektionsfræser (202i, 203i) gennem det indre vindue (1601) og langsgående fræsning af en sektion af det indre foringsrør (119i), mens den indre vinduesfræser (2011) holdes i den udstrakte position for stabilisering.
  8. 8. Fremgangsmåde ifølge et hvilket som helst foregående krav, hvor mindst én af armene (215r) af den indre vinduesfræser (201i), armene (215s) af den indre sektionsfræser (202i, 203i), armene (215r) af den ydre vinduesfræser (201ο, 401ο, 451o, 501o, 551o) og armene (215s) af den ydre sektionsfræser (202o, 203o) strækkes langs en excentrisk udstrækningsbane i forhold til huset.
  9. 9. Fremgangsmåde ifølge et hvilket som helst foregående krav, hvor mindst én af armene (215r) af den indre vinduesfræser (201i), armene (215s) af den indre sektionsfræser (202i, 203i), armene (215r) af den ydre vinduesfræser (201ο, 401ο, 451o, 501o, 551o) og armene (215s) af den ydre sektionsfræser (202o, 203o) bevæges på langs opefter, mens den udstrækkes.
  10. 10. Fremgangsmåde ifølge et hvilket som helst foregående krav, der endvidere omfatter mekanisk låsning af mindst én af armene (215r) af den indre vinduesfræser (2011), armene (215s) af den indre sektionsfræser (202i, 203i), armene (215r) af den ydre vinduesfræser (201ο, 401ο, 451o, 501o, 551o) og armene (215s) af den ydre sektionsfræser (202o, 203o) i den udstrakte posision som reaktion på en langsgående reaktionskraft.
  11. 11. Fremgangsmåde ifølge et hvilket som helst foregående krav, hvor det indre vindue (160i) har en længde, der er mindre end en længde af en samling af det indre foringsrør, eller det ydre vindue (160o) har en længde, der er mindre end en længde af en samling af det ydre foringsrør.
DK16196900.1T 2010-03-15 2011-03-15 Sektionsfræser og fremgangsmåde til tillukning af en brøndboring DK3153655T3 (da)

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US31395610P 2010-03-15 2010-03-15
US38362710P 2010-09-16 2010-09-16
EP11756824.6A EP2547858B1 (en) 2010-03-15 2011-03-15 Section mill and method for abandoning a wellbore

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DK3153655T3 true DK3153655T3 (da) 2019-02-25

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DK16196900.1T DK3153655T3 (da) 2010-03-15 2011-03-15 Sektionsfræser og fremgangsmåde til tillukning af en brøndboring
DK20217069.2T DK3828377T3 (da) 2010-03-15 2011-03-15 Sektionsfræ ser og fremgangsmåde til at forlade en brøndboring
DK18196757.1T DK3447235T3 (da) 2010-03-15 2011-03-15 Sektionsfræser og fremgangsmåde til tillukning af en brøndboring

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DK18196757.1T DK3447235T3 (da) 2010-03-15 2011-03-15 Sektionsfræser og fremgangsmåde til tillukning af en brøndboring

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US (5) US9022117B2 (da)
EP (5) EP3828377B1 (da)
AU (7) AU2011227418B2 (da)
CA (1) CA2793231C (da)
DK (3) DK3153655T3 (da)
WO (1) WO2011115941A1 (da)

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