WO2011074981A1 - Procédé et dispositif pour fermer un puits - Google Patents

Procédé et dispositif pour fermer un puits Download PDF

Info

Publication number
WO2011074981A1
WO2011074981A1 PCT/NO2010/000459 NO2010000459W WO2011074981A1 WO 2011074981 A1 WO2011074981 A1 WO 2011074981A1 NO 2010000459 W NO2010000459 W NO 2010000459W WO 2011074981 A1 WO2011074981 A1 WO 2011074981A1
Authority
WO
WIPO (PCT)
Prior art keywords
cutting tool
well
casing
cutting
accordance
Prior art date
Application number
PCT/NO2010/000459
Other languages
English (en)
Inventor
Svein H. SØLVERSEN
Per Lund
Original Assignee
Norse Cutting & Abandonment As
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 Norse Cutting & Abandonment As filed Critical Norse Cutting & Abandonment As
Priority to AU2010330957A priority Critical patent/AU2010330957A1/en
Priority to BR112012014203A priority patent/BR112012014203A2/pt
Priority to EP10837944A priority patent/EP2513414A1/fr
Priority to US13/516,882 priority patent/US20120279706A1/en
Publication of WO2011074981A1 publication Critical patent/WO2011074981A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B29/06—Cutting windows, e.g. directional window cutters for whipstock operations
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
    • E21B33/14—Methods or devices for cementing, for plugging holes, crevices, or the like for cementing casings into boreholes
    • E21B33/146—Stage cementing, i.e. discharging cement from casing at different levels

Definitions

  • This invention relates to a method of closing a well in the ground. More particularly, it relates to a method of closing a well in the ground, the well being provided with casing.
  • the invention also includes a device for practising the method.
  • each pressure-bearing zone it is usual to place at least two independent barriers including a suitable plugging material which is arranged to seal the well. In some cases it is necessary to remove a section in the longitudinal
  • the casing material is machined away by means of a hard-metal blade which is arranged on a pipe string.
  • the pipe string is connected to a drilling vessel or an installation with the necessary drilling
  • Chips from the machining must be transported up to the surface because the chips, which may be magnetic and may include relatively long chip coils, prevent tools from passing the portion if the chips are not removed. Machining the longitudinal portion away from the casing by means of the prior art may take several days and is a very expensive operation.
  • the invention has for its object to remedy or reduce at least one of the drawbacks of the prior art .
  • the curable mass present in the casing forms a plug.
  • the plug is permanent and seals against the formation.
  • a cutting tool is meant, in this connection, a tool which is arranged to make cuts through the pipe wall as opposed to machining tools which are arranged to remove pipe material by chipping.
  • the method may include cutting the openings by means of a fluid jet.
  • a fluid jet By using a fluid jet, the further induction of magnetic forces into the pipe wall pieces is avoided.
  • the pipe wall pieces cut out may be allowed to fall down and remain in the well.
  • the pipe wall pieces may be carried to the surface, for example by means of a magnet.
  • the method may further include the preparatory actions of:
  • the method may further include connecting the cutting tool to the surface by means of coiled tubing.
  • the method thereby makes it possible for the well to be shut down without the use of a drilling rig.
  • the method can be practised by means of a cutting tool for cutting the longitudinal portion of a casing, the cutting tool including a nozzle head rotatable around its
  • the nozzle head being connected to coiled tubing, the coiled tubing extending to the surface, and the cutting tool being connected to the casing by means of an anchor.
  • the anchor may be a fixed anchor or a rolling anchor and the cutting. tool may be provided with an actuator for moving the nozzle head axially.
  • the actuator may be used for axial movement of the nozzle head during the cutting operation. If a rolling anchor is used, the coiled tubing can be moved axially in the well without the use of a separate actuator.
  • the cutting head may be provided with a pendulum nozzle.
  • the pendulum nozzle which is of a design known per se, is arranged to pivot the fluid jet while the nozzle head is kept stationary.
  • the cutting tool may be provided with a change-over valve which is arranged to selectably connect a fluid flow to a desired nozzle.
  • the fluid flow may be directed to a cutting nozzle during the cutting operation and then directed to a cleaning nozzle during a subsequent cleaning operation.
  • the method and device according to the invention enable a considerable reduction in the time spent on closing petroleum wells while, at the same time, considerably simpler equipment may be used compared with the prior art . ;
  • the invention thereby provides for a substantial reduction in costs
  • Figure 1 shows schematically a well which has been prepared for a cutting operation according to the invention
  • Figure 2 shows schematically a section, on a larger scale, of a cutting head
  • Figure 3 shows a cutting pattern in the wall of the casing
  • Figure 4 shows schematically, on a smaller scale, a well
  • the reference numeral 1 indicates a petroleum well in a formation 2.
  • An inner casing 4, a second-inner casing 6 and other casings 8 are cemented into a borehole 10 by means of a cementation mass 12.
  • a seal 14 seals between the inner casing 4 and the second- inner casing 6.
  • FIG 1 the well 1 is shown after preparatory work has been carried out, such as filling the lower portion of the inner casing 4 with filler 16, cutting the inner casing 4 and removing the upper portion, not shown, of the inner casing 4 from the well 1.
  • Coiled tubing 18 with a cutting tool 20 fitted is in the well 1, the cutting tool 20 being positioned and held fixed in the second-inner casing 6 by means of an anchor 22.
  • the cutting tool 20 includes a tool housing 24 with necessary components known per se, not shown, for controlling the cutting operation.
  • An actuator 26 is arranged to move a rotatable nozzle head 28 in the longitudinal direction of the well 1.
  • the nozzle head 28 includes a change-over valve 30 for selectably directing pressure fluid which is supplied via an actuator channel 32 from the coiled tubing 18 to a cutting nozzle 34 or a cleaning nozzle 36, see figure 2.
  • the change-over valve 30 may be a so-called sequence valve which changes its position every time the fluid pressure is relieved.
  • the cutting may be started by fluid containing abrasive material flowing to the cutting nozzle 34 at relatively high pressure via the coiled tubing 18 and the change-over valve 30.
  • the nozzle head 28 is brought to move the cutting nozzle 34 along a predetermined path giving, for example, the cutting path 38 in the pipe wall 40 of the second-inner casing 6 so that an opening 42 is cut, see figures 3 and 4. After that, the desired number of openings 42 may be cut.
  • the pipe wall pieces 44 that are formed may be given a suitable size.
  • the openings 42 in the second-inner casing 6 may extend across a
  • the part of the cementation mass 12 that may be behind the longitudinal portion 46 of the second-inner casing 6 is also removed via the openings 42 by means of fluid jets from the nozzles 34, 36 of the nozzle head 28.
  • a curable mass is then filled into the second-inner casing 6.
  • the mass flows through the openings 42 and in between the second-inner casing 6 and the formation 2. Thereby a plug is formed, closing the cross section of the borehole 40.
  • the longitudinal portion 46 may be chosen in a location in which openings will have to be cut in two or more casings 6, 8, one outside another, to give access to the formation 2.

Abstract

L'invention porte sur un procédé et sur un dispositif pour fermer un puits (1) dans une formation (2) dans le sol dans lequel un tubage (4, 6, 8) est disposé, lequel procédé comprend : - le déplacement d'un outil de coupe (20) vers le bas dans le puits (1) ; - la découpe d'ouvertures (42) à travers une partie longitudinale (46) du tubage (4, 6, 8) ; - le retrait de l'outil de coupe (20) ; et - le remplissage d'une masse durcissable dans le tubage (4, 6, 8), la masse durcissable s'écoulant à travers les ouvertures (42), remplissant un espace entre le tubage (4, 6, 8) et la formation (2).
PCT/NO2010/000459 2009-12-17 2010-12-14 Procédé et dispositif pour fermer un puits WO2011074981A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2010330957A AU2010330957A1 (en) 2009-12-17 2010-12-14 Method and device for closing a well
BR112012014203A BR112012014203A2 (pt) 2009-12-17 2010-12-14 método e dispositivo para fechar um poço
EP10837944A EP2513414A1 (fr) 2009-12-17 2010-12-14 Procédé et dispositif pour fermer un puits
US13/516,882 US20120279706A1 (en) 2009-12-17 2010-12-14 Method and device for closing a well

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20093545 2009-12-17
NO20093545A NO20093545A1 (no) 2009-12-17 2009-12-17 Fremgangsmate og anordning for a stenge en bronn i grunnen

Publications (1)

Publication Number Publication Date
WO2011074981A1 true WO2011074981A1 (fr) 2011-06-23

Family

ID=44167516

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO2010/000459 WO2011074981A1 (fr) 2009-12-17 2010-12-14 Procédé et dispositif pour fermer un puits

Country Status (6)

Country Link
US (1) US20120279706A1 (fr)
EP (1) EP2513414A1 (fr)
AU (1) AU2010330957A1 (fr)
BR (1) BR112012014203A2 (fr)
NO (1) NO20093545A1 (fr)
WO (1) WO2011074981A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013115652A1 (fr) * 2012-02-03 2013-08-08 Hydra Systems As Procédé pour établir une barrière annulaire dans un puits souterrain
US9194200B2 (en) 2011-11-15 2015-11-24 Leif Invest As Apparatus and method for cutting and pulling of a casing
US9670730B2 (en) 2012-02-17 2017-06-06 Hydra Systems As Method of providing mechanical stability around an entrance of a new well path to be formed from an existing well
US10301904B2 (en) 2013-09-06 2019-05-28 Hydra Systems As Method for isolation of a permeable zone in a subterranean well

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO332901B1 (no) * 2009-11-10 2013-01-28 Norse Cutting & Abandonment As Fremgangsmate og anordning for a stenge en bronn i grunnen
EP3055496A4 (fr) * 2013-11-27 2017-05-24 Halliburton Energy Services, Inc. Retrait de dalles de tubage par découpe de colliers de tubage
NO336249B1 (no) 2014-02-18 2015-06-29 Well Technology As Hydraulisk kutteverktøy, system og fremgangsmåte for styrt hydraulisk kutting gjennom en rørvegg i en brønn, samt anvendelser av kutteverktøyet og systemet
GB2558460B (en) 2015-12-03 2021-06-09 Halliburton Energy Services Inc Tubing removal system
NO345811B1 (en) * 2018-07-10 2021-08-16 Hydra Systems As A method of performing abrasive perforation and washing in a well

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2305683A (en) * 1993-06-19 1997-04-16 Philip Head Method of abandoning a well
US6478088B1 (en) * 1998-05-04 2002-11-12 Norse Cutting & Abandonment A/S Method for the formation of a plug in a petroleum well
WO2004016901A1 (fr) * 2002-08-14 2004-02-26 Well-Worx Limited Appareil d'abandon de puits
WO2006053248A2 (fr) * 2004-11-12 2006-05-18 Alberta Energy Partners Procede et appareil de decoupage par jet de fluide abrasif
WO2009122203A1 (fr) * 2008-04-05 2009-10-08 Well Ops Uk Ltd Procédé de création d’une zone de découpe subaquatique, dispositifs et procédés d’obturation associés

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3249055A (en) * 1965-10-04 1966-05-03 Petroleum Res Corp Pump
US5667010A (en) * 1995-03-21 1997-09-16 Steelhead Reclamation Ltd. Process and plug for well abandonment
GB0128667D0 (en) * 2001-11-30 2002-01-23 Weatherford Lamb Tubing expansion
NO325291B1 (no) * 2004-03-08 2008-03-17 Reelwell As Fremgangsmate og anordning for etablering av en undergrunns bronn.
US10119377B2 (en) * 2008-03-07 2018-11-06 Weatherford Technology Holdings, Llc Systems, assemblies and processes for controlling tools in a well bore

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2305683A (en) * 1993-06-19 1997-04-16 Philip Head Method of abandoning a well
US6478088B1 (en) * 1998-05-04 2002-11-12 Norse Cutting & Abandonment A/S Method for the formation of a plug in a petroleum well
WO2004016901A1 (fr) * 2002-08-14 2004-02-26 Well-Worx Limited Appareil d'abandon de puits
WO2006053248A2 (fr) * 2004-11-12 2006-05-18 Alberta Energy Partners Procede et appareil de decoupage par jet de fluide abrasif
WO2009122203A1 (fr) * 2008-04-05 2009-10-08 Well Ops Uk Ltd Procédé de création d’une zone de découpe subaquatique, dispositifs et procédés d’obturation associés

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9194200B2 (en) 2011-11-15 2015-11-24 Leif Invest As Apparatus and method for cutting and pulling of a casing
WO2013115652A1 (fr) * 2012-02-03 2013-08-08 Hydra Systems As Procédé pour établir une barrière annulaire dans un puits souterrain
AU2013215699B2 (en) * 2012-02-03 2016-12-15 Hydra Systems As A method for establishment of an annulus barrier in a subterranean well
US9702216B2 (en) 2012-02-03 2017-07-11 Hydra Systems As Method for establishment of an annulus barrier in a subterranean well
US9670730B2 (en) 2012-02-17 2017-06-06 Hydra Systems As Method of providing mechanical stability around an entrance of a new well path to be formed from an existing well
US10301904B2 (en) 2013-09-06 2019-05-28 Hydra Systems As Method for isolation of a permeable zone in a subterranean well

Also Published As

Publication number Publication date
NO20093545A1 (no) 2011-06-20
US20120279706A1 (en) 2012-11-08
AU2010330957A1 (en) 2012-06-21
BR112012014203A2 (pt) 2016-06-14
EP2513414A1 (fr) 2012-10-24

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