WO2003042495A1 - Appareil et procede de reglage de bouchon - Google Patents

Appareil et procede de reglage de bouchon Download PDF

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Publication number
WO2003042495A1
WO2003042495A1 PCT/EP2002/012729 EP0212729W WO03042495A1 WO 2003042495 A1 WO2003042495 A1 WO 2003042495A1 EP 0212729 W EP0212729 W EP 0212729W WO 03042495 A1 WO03042495 A1 WO 03042495A1
Authority
WO
WIPO (PCT)
Prior art keywords
sleeve
delivery pipe
borehole
fluid
ports
Prior art date
Application number
PCT/EP2002/012729
Other languages
English (en)
Inventor
Michel Ermel
Jean-Philippe Bedel
Bernard Dargaud
Gilbert Lavaure
Gerard Daccord
Marc Thiercelin
Benoit Vidick
Original Assignee
Services Petroliers Schlumberger
Schlumberger Technology B.V.
Schlumberger Holdings Limited
Sofitech N.V.
Schlumberger Canada Limited
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 Services Petroliers Schlumberger, Schlumberger Technology B.V., Schlumberger Holdings Limited, Sofitech N.V., Schlumberger Canada Limited filed Critical Services Petroliers Schlumberger
Publication of WO2003042495A1 publication Critical patent/WO2003042495A1/fr

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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/003—Means for stopping loss of drilling fluid
    • 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
    • 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
    • E21B33/134—Bridging plugs
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/025—Consolidation of loose sand or the like round the wells without excessively decreasing the permeability thereof
    • 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
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock

Definitions

  • the present invention relates to apparatus for setting plugs, such as cement plugs, in boreholes, in particular oil, gas, water or geothermal wells or the like.
  • a cement plug involves a relatively small volume of cement slurry placed in a borehole for various purposes: to sidetrack above a fish (a piece of equipment stuck in a borehole that cannot be removed) or to initiate directional drilling; to plug back a zone or plug back a well; to attempt to solve lost circulation problems during the drilling phase (see above); and to provide an anchor for openhole tests.
  • a first aspect of the invention provides apparatus for setting a plug in a borehole, comprising: a delivery pipe for delivering a plugging fluid and a sleeve section comprising a flexible, expandable sleeve secured to delivery pipe and into which plugging fluid is delivered; wherein the apparatus further includes operable ports to allow fluid to flow into the borehole, and a disconnect mechanism to allow the delivery pipe to be disconnected from the sleeve, wherein the sleeve is formed from a permeable material.
  • the operable ports can be located in the sleeve and/or in the delivery pipe.
  • the ports allow fluid to be circulated directly into the borehole once the sleeve has been filled to a desired degree.
  • These ports can comprise shear membranes or other one-time operating devices, or pressure operated valves or the like. It is particularly preferred to operate the ports by fluid pressure in the delivery pipe.
  • the ports are situated downstream of the disconnect mechanism such that further pumping of fluid can be used to deliver an operating device such as a ball or dart to the disconnect mechanism.
  • an operating device such as a ball or dart
  • One particularly convenient form of disconnect mechanism includes the use of shear pins. Other mechanisms can also be used.
  • a non-return valve in the delivery pipe so as to prevent fluid flowing back from the sleeve through the delivery pipe.
  • the valve is preferably a float valve, although other forms of non-return valves may also be appropriate.
  • the valve typically operates when the sleeve is filled with fluid and is unable to expand further such that further flow of fluid is low. Consequently, when flow of fluid is stopped or diverted elsewhere, the sleeve is maintained in its expanded state.
  • the delivery pipe preferably comprises a drillable stinger that is left in the borehole after the plugging fluid has filled the sleeve.
  • This stinger can comprise a tube formed from aluminium or fibre reinforced plastics material or other such material.
  • the delivery pipe typically has a diameter that is smaller than the diameter of the borehole in the zone to be stabilised and smaller than the diameter of any casing above this zone.
  • the drillable stinger is connected to the remaining part of the delivery pipe by means of a releasable connector which is operable such that the remaining part of the delivery pipe can be disconnected from the stinger and withdrawn from the borehole after the treatment fluid has been placed.
  • Openings can be provided in the sidewall of the delivery pipe, the sleeve being connected to the outside of the pipe above and below the openings. Diverters can be positioned on the delivery pipe so as to cause plugging fluid flowing through the openings to flow in an axial direction.
  • the sleeve preferably has a mesh-like structure that can be formed, for example, by weaving or knitting fibres. Suitable fibre materials are steel, glass fibre, carbon fibre, Kevlar and other such materials, and combinations thereof.
  • the mesh is typically sufficiently loose to allow expansion of the sleeve when filled with treatment fluid without losing its ability to retain at least part of the fluid. This expansion can be up to 50% of the unexpanded diameter of the sleeve, although even greater expansion can be achieved according to the design of the mesh and the degree of filtering required.
  • the unexpanded diameter of the sleeve can typically be 3 - 4 times the diameter of the delivery pipe.
  • the portion of the treatment fluid passing through the sleeve can be primarily a liquid component of the fluid so as to form an enriched solids layer of fluid near the sleeve.
  • Materials can be included in the fluid to encourage formation of the enriched solids layer by filtering at the sleeve. Typical materials are fibres such as polypropylene, novoloid resin or other such materials. Also, reinforcing fibres such as metal fibres can be included to achieve appropriate mechanical properties of the cement when set.
  • a whipstock is located on the delivery pipe above the sleeve. In this case, it is preferred that the disconnect mechanism is located above the whipstock.
  • a second aspect of the invention provides a method of installing a plug in a borehole, comprising: positioning an apparatus according to the first aspect of the invention in the borehole at the position at which the plug is to be installed, pumping fluid into the sleeve via the delivery pipe so as to inflate the sleeve, operating the ports to allow fluid to flow into the borehole, operating the disconnect mechanism and withdrawing the delivery pipe from the borehole.
  • the predetermined degree of inflation is sufficient to cause a solids enriched layer (cake) to build up inside the sleeve.
  • the inflation can continue until cement passes through the sleeve so as to form a layer on its upper surface.
  • Operation of the ports is typically achieved by pumping fluid in the delivery pipe at a predetermined pressure.
  • the ports comprise shear membranes, this is the pressure required to shear the membrane.
  • the disconnect mechanism can be supplemented - or replaced — by a piece of fragile pipe that can be sheared by applying a pull force, once the fluid is placed and the cement is set.
  • the operating member typically a ball or dart, is used to operate the disconnect mechanism, for example by using fluid pressure to shear pins in the mechanism.
  • the portion of the delivery pipe in the zone to be stabilised is drilled out. It is particularly preferred to disconnect the portion of the delivery pipe extending from the zone to the surface from the portion remaining in the zone prior to recommencing drilling.
  • treatment fluid is placed in the sleeve so as to expand the sleeve until it fills substantially all of the annulus in the zone to be stabilised. When the annulus is very large or irregular, it may be desirable to fill the sleeve until a predetermined pressure of fluid is reached.
  • the treatment fluid is preferably a cement slurry comprising liquid and solid components.
  • the effect of the sleeve is to concentrate the solid component of the slurry near the borehole wall leading to improved physical properties in this region.
  • suitable plugging materials such as fibres, in the slurry.
  • treatment fluids may also be useful in the present invention, for example dispersed gels or polymers that can concentrate at the borehole wall.
  • a method of setting a whipstock according to the invention comprises
  • drilling can resume, in a direction determined according to the orientation of the whipstock.
  • Figure 1 shows an embodiment of an apparatus according to the invention
  • Figure 2 shows the embodiment of Figure 1 in use
  • Figure 3 shows a later phase of the use of the embodiment of Figure l
  • Figure 4 shows a borehole that has been stabilised after under-reaming.
  • the present invention involves the use of a flexible and permeable sleeve made from a woven material to permit placement of a cement plug in a borehole under naturally unstable conditions while forcing the cement slurry to remain in the borehole at the desired position.
  • the unstable conditions in which the apparatus and method of the invention can be used include lost circulation conditions such as can occur in massively fractured formations, or off-bottom positioning of the plug with a layer of borehole or drilling fluid being present in the borehole below the plug.
  • a setting tool is shown in Figure 1 and comprises a drillable tube or stinger 10 with a flexible permeable sleeve 12 wrapped around it.
  • the stinger 10 may be made of aluminum or glass fiber composite, for instance, or any other suitable, drillable material.
  • Orifices 14 are drilled in the stinger 10 to allow a cement slurry to flow into the sleeve 12 to inflate it.
  • a diverter 16 is installed around the orifices 14 to direct the flow in an axial direction.
  • a float valve 18 is placed above the sleeve 12 to prevent flow back of any cement through the drillable stinger 10. Above the float valve 18, ports 20 are provided that are normally closed by shear membranes 22.
  • shear membranes 22 are designed to open when enough differential pressure is applied across them.
  • a disconnect mechanism 24 is installed that can be activated using a ball or a dart in a Icnown manner.
  • the stinger is connected to a delivery pipe 26 (drill pipe or coiled tubing) by the disconnect mechanism 24.
  • the tool In use (see Figure 2), the tool is lowered in the borehole 30 to the depth of interest.
  • a cement slurry is pumped through the delivery pipe 26 and stinger 10 so as to inflate the sleeve 12 until it comes in contact with the borehole walls 32. Pumping is continued so that a cement cake 34 is formed inside the sleeve 12, and the pressure inside the sleeve 12 increases. This phase can be considered as a short squeeze step.
  • the cake 34 will provide higher mechanical strength due to its increased solids content.
  • the shear membranes 22 closing the ports 20 are broken and the cement slurry flows through these ports 20 into the borehole 36 above the sleeve 12.
  • the float valve 18 closes.
  • a ball or a dart (not shown) is launched that allows disconnection of the tool from the delivery pipe 26 by activation of the disconnect mechanism 24.
  • the delivery pipe 26 (drill string) is then pulled out using the well known balanced plug rules to prevent mixing the cement with the displacement fluid and the cement slurry is allowed to set.
  • the apparatus and method described above has the advantages of: prevention of fluid swapping - the cement slurry is not mixed with the fluid left underneath the tool; reduced loss of fluid to the formation; and strong mechanical properties of the cement, allowing for instance side-tracking (this is made possible by either the squeeze step, or the use of metallic fibers or both together).
  • the cement slurry used in this process typically includes fibers or mixtures of fibers. These fibers act in various ways, first by helping building a cake on the internal surface of the sleeve 12, then by preventing loss of cement from the borehole 36 above the sleeve 12 and finally by increasing the mechanical properties of the set cement to a point such that it will withstand subsequent drilling operations.
  • flexible fibers are preferred: the use of such fibers has previously been proposed for use in lost circulation situations and they prevent the cement sheath from disintegrating after being drilled.
  • a first type of fiber can provide the cement slurry with strong mechanical properties, which are beneficial for instance for kick-off cement plugs.
  • the second type of fiber can be similar to the flexible fibers described above.
  • the fibers do not need to be added homogeneously to the whole slurry.
  • the flexible fibers can be used for the part of the slurry that inflates the sleeve 12, while metallic fibers can be used in the second part (filling the borehole 36 above the sleeve 12), which needs strong mechanical properties.
  • the slurry contains a large volume fraction of solids and does not possess too large fluid loss control properties.
  • a composition that provides such properties can utilise an optimised particle size distribution for the solid components of the slurry such as is described in EP 0 621 247.
  • Fibre material is mixed with the base slurry to provide structure to the mass.
  • Such fibres can be metallic (see, for example, WO 99/58467) or polymeric (see, for example, PCT/EP02/07899).
  • Two suitable fibre materials and a proposed level of use in the cement slurries are given in Table 3 below:
  • the sleeve 12 can be formed from a woven carbon fibre or Kevlar material such as the preformed tubular materials available from A&P Technology under reference RA3827SPAR and RF1345 (it will be appreciated that other materials can also be used). For a nominal 8 inch borehole, an 8 inch sleeve (unexpanded) is proposed.
  • the sleeve 12 is attached to the stinger 10 by means of clamps 38 that are made from a drillable material such as epoxy resin materials, aluminium, etc..
  • a further embodiment of the invention is shown in Figures 3 and 4 and comprises a tool and method for setting a whipstock in a borehole.
  • the tool comprises a two-part circulating mandrel 40 (delivery pipe) defining the backbone of the tool.
  • a landing shoe 42 is connected at the bottom of the lower part of the circulating mandrel 40.
  • the sleeve 44 is wrapped around the lower part of the circulating mandrel 40 just above the landing shoe 42.
  • the sleeve 44 is similar to that described above but includes ports 45 (covered by the shear membranes 46 may also be placed above the sleeve, as on Figure 1) installed at the upper part thereof.
  • Orifices 48 are provided in the mandrel 40 that allow cement to flow into the sleeve 44.
  • a diverter is installed around these orifices to direct the flow in an axial direction.
  • These orifices 48 are normally close by a sliding sleeve 50 connected to the landing shoe 42.
  • a wiper dart or a ball is used to actuate the sliding sleeve 50 to open the orifices 48 and prevent flow back of any fluid through the landing shoe 42.
  • a milling whipstock 52 is set on the upper part of the circulating mandrel 40 well above the upper clamp 54 of the sleeve 44.
  • the whipstock 52 may be made with a steel shell 56 permanently connected to the circulating mandrel 40 by the means of welded ribs (not shown).
  • a disconnect mechanism 58 is provided that can be activated for instance using a ball or a dart as described previously.
  • the tool is connected to a drill string 60 and lowered in the borehole 62 at the depth of interest.
  • the tool is then oriented using conventional directional drilling techniques.
  • a dart or ball is released at the interface between circulating mud 64 and cement slurry 66.
  • the dart or ball 68 closes the landing shoe 42 and the cement slurry is pumped through the circulating mandrel 40, which inflates the sleeve 44 until it comes in contact with the borehole walls. Pumping is continued so that a cement cake is formed inside the sleeve 42 and the pressure inside the sleeve 42 increases.
  • the shear membrane 46 placed at the top of the sleeve 42 is broken and the cement slurry flows through the ports 45 into the borehole.
  • a defined volume of cement slurry is pumped to embed the whipstock 52 in the borehole.
  • a ball or a dart 70 is launched that allows disconnecting the tool from the drill string 60.
  • the drill string is then pulled out using balanced plug rules to prevent mixing the cement with the displacement fluid and the cement slurry is allowed to set.
  • a steerable BHA 72 is run into the borehole, the cement above the whipstock 52 drilled away and the kick off initiated and new bore drilled using directional drilling techniques.
  • plug setting tool and methods of the invention allow accurate placement of the whipstock even when off-bottom. Also, the ability to accurately place a plug of very strong cement allows more accurate control of the kick-off process, even if a whipstock is not used. The problem of the cement slurry sinking to the bottom of the well is avoided as before.

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  • 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)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

L'invention concerne un appareil permettant de régler un bouchon dans un trou de forage et comprenant : une conduite de refoulement (26) permettant de refouler un fluide colmatant, ainsi qu'une section de manchon comprenant un manchon souple et extensible (12) fixé sur la conduite de refoulement (26) et dans lequel le fluide colmatant est refoulé. L'appareil comprend également des orifices (20) permettant au fluide de s'écouler dans le trou de forage, ainsi qu'un mécanisme de déconnexion permettant de déconnecter la conduite de refoulement (26) du manchon (12), celui-ci étant conçu dans un matériau perméable. L'invention concerne également le réglage d'un sifflet déviateur.
PCT/EP2002/012729 2001-11-15 2002-11-13 Appareil et procede de reglage de bouchon WO2003042495A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR01/14959 2001-11-15
FR0114959 2001-11-15

Publications (1)

Publication Number Publication Date
WO2003042495A1 true WO2003042495A1 (fr) 2003-05-22

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PCT/EP2002/012729 WO2003042495A1 (fr) 2001-11-15 2002-11-13 Appareil et procede de reglage de bouchon
PCT/EP2002/012719 WO2003042494A1 (fr) 2001-11-15 2002-11-13 Procede et appareil pour la stabilisation d'un puits de forage

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PCT/EP2002/012719 WO2003042494A1 (fr) 2001-11-15 2002-11-13 Procede et appareil pour la stabilisation d'un puits de forage

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1757770A1 (fr) 2005-08-25 2007-02-28 Services Petroliers Schlumberger (Sps) Procédé et dispositif pour la pose d'un bouchon dans un trou de forage
EP2305450A1 (fr) * 2009-10-02 2011-04-06 Services Pétroliers Schlumberger Dispositifs et procédés pour la préparation de fibres recourbées
WO2012034181A1 (fr) * 2010-09-15 2012-03-22 Rise Mining Developments Pty Ltd Bouchons de trou de forage
EP2770159A3 (fr) * 2013-02-21 2018-01-24 Inger Isaksen Appareil et procédé de réglage d'un bouchon en matériau cimentaire
WO2019236059A1 (fr) * 2018-06-05 2019-12-12 Halliburton Energy Services, Inc. Procédé de production d'un bouchon de fond de trou stable au moyen de fluide magnétorhéologique et de ciment
WO2021076539A1 (fr) * 2019-10-18 2021-04-22 J. Ray Mcdermott, S.A. Rampe de pose pour opération de pose de tuyau
US11118417B1 (en) 2020-03-11 2021-09-14 Saudi Arabian Oil Company Lost circulation balloon
WO2023096856A1 (fr) * 2021-11-29 2023-06-01 Saudi Arabian Oil Company Déploiement d'une colonne perdue dans un puits de forage

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Publication number Priority date Publication date Assignee Title
GB2392682B (en) 2002-09-05 2005-10-26 Schlumberger Holdings Cement slurries containing fibers
BRPI0519027A2 (pt) * 2004-12-15 2008-12-23 Shell Int Research mÉtodo para vedar um espaÇo anular formado entre um elemento tubular expansÍvel disposto em um furo de poÇo e uma parede que circunda o elemento tubular expansÍvel
EP1840324B1 (fr) * 2006-03-31 2012-08-29 Services Pétroliers Schlumberger Méthode et appareil de traitement sélectif d'un tubage perforé
US10822916B2 (en) * 2018-02-14 2020-11-03 Saudi Arabian Oil Company Curing a lost circulation zone in a wellbore
US11668143B2 (en) 2019-12-10 2023-06-06 Saudi Arabian Oil Company Deploying wellbore patch for mitigating lost circulation
US11125046B2 (en) 2019-12-10 2021-09-21 Saudi Arabian Oil Company Deploying wellbore patch for mitigating lost circulation
US11261678B2 (en) 2019-12-10 2022-03-01 Saudi Arabian Oil Company Deploying wellbore patch for mitigating lost circulation
US11286733B2 (en) 2020-03-26 2022-03-29 Saudi Arabian Oil Company Deploying material to limit losses of drilling fluid in a wellbore
US11454071B2 (en) 2020-03-26 2022-09-27 Saudi Arabian Oil Company Deploying material to limit losses of drilling fluid in a wellbore
US11643878B2 (en) 2020-03-26 2023-05-09 Saudi Arabian Oil Company Deploying material to limit losses of drilling fluid in a wellbore
US11434707B2 (en) 2020-06-10 2022-09-06 Saudi Arabian Oil Company Lost circulation fabric, method, and deployment systems
US11459838B2 (en) 2020-06-10 2022-10-04 Saudi Arabian Oil Company Lost circulation fabric, method, and deployment systems
US11434708B2 (en) * 2020-06-10 2022-09-06 Saudi Arabian Oil Company Lost circulation fabric, method, and deployment systems
US11727555B2 (en) 2021-02-25 2023-08-15 Saudi Arabian Oil Company Rig power system efficiency optimization through image processing
US11624265B1 (en) 2021-11-12 2023-04-11 Saudi Arabian Oil Company Cutting pipes in wellbores using downhole autonomous jet cutting tools
US11867012B2 (en) 2021-12-06 2024-01-09 Saudi Arabian Oil Company Gauge cutter and sampler apparatus

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US2922478A (en) * 1956-07-30 1960-01-26 Halliburton Oil Well Cementing Well packer
US3130787A (en) * 1960-09-12 1964-04-28 James C Mason Well bridging tool
US5337823A (en) * 1990-05-18 1994-08-16 Nobileau Philippe C Preform, apparatus, and methods for casing and/or lining a cylindrical volume
US5195591A (en) * 1991-08-30 1993-03-23 Atlantic Richfield Company Permanent whipstock and placement method
EP0733775A2 (fr) * 1995-03-23 1996-09-25 Halliburton Company Procédé et dispositif pour la pose d'un bouchon de déviation dans un trou de forage
EP0952305A1 (fr) * 1998-04-23 1999-10-27 Shell Internationale Researchmaatschappij B.V. Conduit déformable
WO2001080650A2 (fr) * 2000-04-26 2001-11-01 Triangle Equipment As Packer de production, outil de montage de packer et procede de montage de packer

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1757770A1 (fr) 2005-08-25 2007-02-28 Services Petroliers Schlumberger (Sps) Procédé et dispositif pour la pose d'un bouchon dans un trou de forage
EP2305450A1 (fr) * 2009-10-02 2011-04-06 Services Pétroliers Schlumberger Dispositifs et procédés pour la préparation de fibres recourbées
US8617444B2 (en) 2009-10-02 2013-12-31 Schlumberger Technology Corporation Method for preparing curved fibers
US9403314B2 (en) 2009-10-02 2016-08-02 Schlumberger Technology Corporation Equipment for preparing curved fibers
WO2012034181A1 (fr) * 2010-09-15 2012-03-22 Rise Mining Developments Pty Ltd Bouchons de trou de forage
AP3306A (en) * 2010-09-15 2015-06-30 Rise Mining Dev Pty Ltd Drill hole plugs
AU2011301781B2 (en) * 2010-09-15 2015-08-20 Rise Mining Developments Pty Ltd Drill hole plugs
EP2770159A3 (fr) * 2013-02-21 2018-01-24 Inger Isaksen Appareil et procédé de réglage d'un bouchon en matériau cimentaire
WO2019236059A1 (fr) * 2018-06-05 2019-12-12 Halliburton Energy Services, Inc. Procédé de production d'un bouchon de fond de trou stable au moyen de fluide magnétorhéologique et de ciment
GB2587901A (en) * 2018-06-05 2021-04-14 Halliburton Energy Services Inc Method to produce stable downhole plug with magnetorheological fluid and cement
US11542776B2 (en) 2018-06-05 2023-01-03 Halliburton Energy Services, Inc. Method to produce a stable downhole plug with magnetorheological fluid and cement
GB2587901B (en) * 2018-06-05 2023-03-08 Halliburton Energy Services Inc Method to produce stable downhole plug with magnetorheological fluid and cement
WO2021076539A1 (fr) * 2019-10-18 2021-04-22 J. Ray Mcdermott, S.A. Rampe de pose pour opération de pose de tuyau
US11549615B2 (en) 2019-10-18 2023-01-10 J. Ray Mcdermott, S.A. Stinger for a pipe laying operation
US11118417B1 (en) 2020-03-11 2021-09-14 Saudi Arabian Oil Company Lost circulation balloon
WO2021181143A1 (fr) * 2020-03-11 2021-09-16 Saudi Arabian Oil Company Ballonnet à circulation perdue
WO2023096856A1 (fr) * 2021-11-29 2023-06-01 Saudi Arabian Oil Company Déploiement d'une colonne perdue dans un puits de forage
US11867010B2 (en) 2021-11-29 2024-01-09 Saudi Arabian Oil Company Deploying a liner in a wellbore

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