WO2016172791A1 - Système pour découvrir successivement des orifices le long d'un puits de forage pour permettre l'injection d'un fluide le long dudit puits de forage - Google Patents

Système pour découvrir successivement des orifices le long d'un puits de forage pour permettre l'injection d'un fluide le long dudit puits de forage Download PDF

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Publication number
WO2016172791A1
WO2016172791A1 PCT/CA2016/050478 CA2016050478W WO2016172791A1 WO 2016172791 A1 WO2016172791 A1 WO 2016172791A1 CA 2016050478 W CA2016050478 W CA 2016050478W WO 2016172791 A1 WO2016172791 A1 WO 2016172791A1
Authority
WO
WIPO (PCT)
Prior art keywords
members
ports
sliding sleeve
downhole
sleeve
Prior art date
Application number
PCT/CA2016/050478
Other languages
English (en)
Inventor
David Nordheimer
Original Assignee
Sc Asset Corporation
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
Priority claimed from US14/697,271 external-priority patent/US9840890B2/en
Application filed by Sc Asset Corporation filed Critical Sc Asset Corporation
Priority to MX2017005993A priority Critical patent/MX2017005993A/es
Priority to AU2016253992A priority patent/AU2016253992B2/en
Priority to CN201680003598.7A priority patent/CN107429556B/zh
Priority to RU2017119427A priority patent/RU2683294C1/ru
Publication of WO2016172791A1 publication Critical patent/WO2016172791A1/fr
Priority to CONC2017/0004267A priority patent/CO2017004267A2/es
Priority to ECIEPI201728171A priority patent/ECSP17028171A/es
Priority to SA517381750A priority patent/SA517381750B1/ar
Priority to AU2020205267A priority patent/AU2020205267B2/en

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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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
    • E21B34/142—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools unsupported or free-falling elements, e.g. balls, plugs, darts or pistons
    • 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
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells

Definitions

  • the present invention relates to multi-stage liners used in open hole or cased completions for injection of fluids at successive contiguous locations along a wellbore to create multiple fractures in a hydrocarbon zone along the wellbore.
  • the zones of interest need to be completed, namely conditioned typically by a tracking operation, in order to most quickly and to the greatest extent possible produce oil and/or gas from each particular zone. If the zone of interest requires a type of fracture stimulation, including but not limited to acid fracture or propped fracture, the zone of interest will be isolated to focus the fracture on the particular zone, and to prevent fracture in other zones which may not be desired.
  • a type of fracture stimulation including but not limited to acid fracture or propped fracture
  • Liner systems can be used prior to conducting the fracture stimulation and can be run in either open hole or cased hole applications.
  • US Patent No. 8,215,411 teaches a plurality of opening sleeve/cluster valves along a liner for wellbore treatment, and utilizes a ball member or plug to open a sleeve at each valve thereby allowing fluid communication between the bore and a port in the sleeve's housing.
  • This invention requires, however, a ball seat corresponding to each sleeve in a cluster valve, potentially restricting flow.
  • US Patent No. 8,395,879 teaches a hydrostatically powered sliding sleeve. Again, such configuration utilizes a single ball, but each sliding sleeve configuration requires its own ball seat.
  • US Patent No. 4,893,678 discloses a multiple-set downhole tool and method that utilizes a single ball. Again, each valve requires a seat which is integral with a sliding sleeve, and which remains with each valve/port. When the sleeve/seat is forced by the ball to slide and thereby open the port, collet fingers may then move radially outwardly, disengaging the ball and allowing the ball to further travel downhole to actuate (open) further ports.
  • US Patent Application Publication No. 2014/0102709 discloses a tool and method for fracturing a wellbore that uses a single ball , each valve with a deformable ball seat. Again, each valve has a valve seat which remains with each valve/port.
  • Plug ball 324 is inserted in the tubing, and uphole fluid pressure applied thereto cause plug 324 to travel downwardly in the in the string and abut sliding sleeve 322, further causing shear pin 350 to shear and thus sleeve 322 to then be driven downhole.
  • Spring- biased dogs 351 on outer periphery of sliding sleeve 322 then engage inner profile 353a on sliding sleeve 325a and cause sleeve 325a (due to fluid pressure acting on plug 324) to move downhole thereby opening ports 317a, 317a'.
  • WO 2013/048810 entitled “Multizone Treatment System” published April 4, 2013 teaches a system and method for successively opening flow control devises (which may be sliding sleeves) in a tubing string along a length thereof, commencing with a most downhole valve and opening a sleeve at such location, and by insertion of additional darts progressing successively upwardly in the tubing string to open further uphole sleeves.
  • the tubing string is provided with a plurality of spaced apart flow control devices, such as sliding sleeves , each having an annulary-located recess therein with a unique profile relative to other flow control devices.
  • a first dart having an engagement feature sized to correspond with a selected annulary-located recess of a particular most-downhole flow control device, is injected, and such dart passes to actuate the flow control device to allow it to open a port.
  • the process is progressively repeated for additional uphole flow control devices by injecting additional darts, having corresponding features to engage a selected flow control device.
  • the darts are then drilled out to allow production from the tubing.
  • No collet sleeve is provided, and a non-beveled(non-chamfered) surface on the annular recess of the most downhole sleeve is used to retain the dart from travelling further downhole.
  • the configuration of the dart namely having a spring-biased profile and a cup seal thereon, essentially requires the dart to be virtually solid and thereby permanent obstruction to the wellbore once opening the last of a series of slidable sleeves.
  • the first dart must be installed using a locator tool and thereafter retrieved, after actuating a plurality of sleeves and associated ports using such tool, a shown in Fig.s 9A-9D.
  • a locator tool having a narrower protruding spring-biased profile than the first dart used
  • Such a system involves use of extensive equipment from surface and the need of a bypass port that need by opened and closed to allow effective operation including insertion and withdrawal of the locator tool.
  • the present invention provides for a system for successively uncovering a plurality of contiguous spaced-apart ports along a wellbore, comprising:
  • a tubular liner having a bore further comprising:
  • a shear member initially securing said slidable sleeve members in said initial closed position, and sheareable when a force is applied to a respective of said slidable sleeve members;
  • an actuation member positioned within said bore, comprising:
  • a cylindrical hollow collet sleeve having a radially-outwardly biased and protruding protuberance, said protuberance configured to successively matingly engage each of said respective interior circumferential grooves on said sliding sleeve members, wherein said protuberance is of a substantially equal or lesser width than a width of said circumferential grooves on each of said sliding sleeve members, wherein said protuberance may be inwardly compressed to allow said collet sleeve and protuberance thereon to become disengaged from mating engagement in said circumferential groove;
  • a plug member situated within said collet sleeve and when in a first position situated at an uphole end thereof, which at least for a limited time together with said collet sleeve substantially obstructs passage of fluid within said bore when said collet sleeve and plug member are together situated in said bore;
  • a shear pin releasably securing said plug member to an uphole end of said collet sleeve, shearable when a force is applied to said plug member to cause said plug member to move downhole in said collet sleeve to a second position therein preventing said protuberance from thereafter being forcibly inwardly compressed and thereby maintaining said protuberance in mating engagement with said circumferential groove; wherein fluid pressure applied to an uphole end of said actuation member causes said actuation member to move downhole and successively engage said circumferential groove in each of said sliding sleeve members and move said sliding sleeve members downhole so as to thereby uncover each of said plurality of ports; wherein fluid pressure required to shear said shear members in all of said slidable sleeve members save and except for a most- downhole of said slidable sleeve members, is less than fluid pressure required to shear said shear pins securing said plug member to said up
  • tubing liner is further provided with burst plates covering each of said ports, said burst plates adapted to rupture and allow fluid communication from said bore to said port upon a fluid pressure in said bore being higher than and exceeding the fluid pressure necessary to:
  • the plug member is dissolvable, and after moving to said second position and after a period of time being exposed to fluid within said bore, becomes dissolved.
  • means is provided to lock the sliding sleeves in the open position once such sliding sleeves have been moved by the plug and collet sleeve to the open position uncovering such ports.
  • a snap ring member is provided with each of said plurality of sliding sleeve members, which snap ring member locks each sliding sleeve member in said open position when said sliding sleeve member is moved to said open position.
  • the plug member upon movement to said second position prevents said protuberance from being inwardly compressed, and said actuation member is further prevented along from further movement downhole.
  • a plurality of actuation members are utilized to uncover a plurality of groups of discrete/separate spaced apart ports, wherein each of the groups of ports in the liner are positioned in different zones of the formation.
  • a system for successively uncovering at least two separate groups of contiguous spaced-apart ports along a wellbore comprising:
  • a tubular liner having a bore further comprising:
  • a first actuation member positioned within said bore comprising:
  • a cylindrical hollow collet sleeve having a plurality of elongate longitudinally extending finger members thereon , said finger members having thereon a radially-outwardly protruding protuberance, said protuberance configured to successively matingly engage said respective interior circumferential groove on each of said second sliding sleeve members, wherein said protuberance is of a width substantially equal to said second width but greater than said first width, wherein said protuberance may upon fluid pressure being applied to an uphole side of said first actuation member be inwardly compressed to allow said collet sleeve and protuberance thereon to become disengaged from mating engagement in said circumferential groove in each of said second sliding sleeve members ;
  • a plug member situated within said collet sleeve and when in a first position situated at an uphole end of said collet sleeve, which at least for a limited time together with said collet sleeve substantially obstructs passage of fluid within said bore when said collet sleeve and plug member are together situated in said bore;
  • a shear pin releasably securing said plug member to an uphole end of said collet sleeve, shearable when a force is applied to said plug member to cause said plug member to move downhole in said collet sleeve to a second position therein preventing said finger members from thereafter being forcibly inwardly compressed and thereby maintaining said protuberance in mating engagement with said circumferential groove;
  • fluid pressure applied to an uphole end of said first actuation member causes said first actuation member to move downhole and cause said collet sleeve thereof to successively engage said second circumferential groove in each of said second slidable sleeve members and move each of said second sliding sleeve members downhole so as to thereby uncover each of said plurality of second ports;
  • fluid pressure required to shear said shear members in all of said second slidable sleeve members save and except for a most- downhole of said slidable sleeve members, is less than fluid pressure required to shear said shear pins securing said plug member to said uphole end of said collet sleeve;
  • said plug member in said first actuation member when opening a most- downhole second sliding sleeve member, shears said shear pin therein and moves downhole in said collet sleeve from said first position therein to said second position thereby preventing said protuberance from being inwardly compressed ;
  • said system further comprising :
  • a cylindrical hollow collet sleeve having a plurality of elongate longitudinally extending finger members thereon , said finger members having thereon a radially-outwardly protruding protuberance, said protuberance configured to successively matingly engage said respective interior circumferential groove on each of said first sliding sleeve members, wherein said protuberance is of a width substantially equal to said first width, but less than said second width, wherein said protuberance may be inwardly compressed to allow said collet sleeve and protuberance thereon to become disengaged from mating engagement in said first circumferential groove in each of said first sliding sleeve members ; (b) a plug member, situated within said collet sleeve and when in a first position situated at an uphole end of said thereof, which at least for a limited time together with said collet sleeve substantially obstructs passage of fluid within said bore when said collet sleeve and plug member
  • a shear pin releasably securing said plug member to an uphole end of said collet sleeve, shearable when a force is applied to said plug member to cause said plug member to move downhole in said collet sleeve to a second position therein preventing said finger members from thereafter being forcibly inwardly compressed and thereby mamtaining said protuberance in mating engagement with said circumferential groove; wherein fluid pressure applied to an uphole end of said second actuation member causes said second actuation member to move downhole and said collet sleeve thereof successively engage said circumferential grooves in each of said first slidable sleeve members and move each of said first sliding sleeve members downhole so as to thereby uncover each of said plurality of first ports; and
  • the plug member in said second actuation member when opening a most-downhole sliding sleeve member, shears said shear pin therein and moves downhole in said collet sleeve from said first position therein to said second position thereby preventing said protuberance from being inwardly compressed.
  • the plug member in the second actuation member and/or first actuation member may be dissolvable by a fluid that may be injected downhole.
  • burst plates may likewise be provided covering each of said first and second ports, said burst plates adapted to rupture and allow fluid communication from said bore to said port only upon a fluid pressure in said bore exceeding:
  • the invention provides a system using at least two actuating (slidable dart) members , each of said at least two actuating members having a differently-dimensioned (or differently-configured) protuberance profile, so that the protuberance profile on a collet sleeve of each of the actuation members is unique.
  • a first of such actuation members having such a unique protuberance profile successively matingly engages at least one sliding sleeve member, and preferably successively matingly engages a first group of sliding sleeve members , all having a similarly configured inner circumferential groove or series of grooves thereon which matingly engage the protuberance profile on the actuation member, to allow the actuation member to thereby uncover/open a series of ports along a hollow tubular member.
  • a plug member typically a spherical ball pumped down the tubular liner, obstructs the flow of fluid through each actuation member, thereby providing a downhole motive force on each of said at least two actuation members.
  • a second actuation member After opening, by a first of the at least two actuation members, at least one port and preferably a group of ports, a second actuation member having a differently configured or dimensioned profile, can be pumped downhole to then similarly move and thereby open a second group of sliding sleeve members, so as to allow opening at a different time of a second group of ports along a tubular liner.
  • actuation members having different configured /dimensioned protuberance profiles.
  • plug member typically in this embodiment a spherical ball, be affixed via shear pins to the collet sleeve of the actuation member.
  • a system for successively uncovering at least two separate groups of contiguous spaced-apart ports along a pipe inserted in a wellbore comprises:
  • a tubular liner having a bore further comprising:
  • each of said sliding sleeve members having an interior circumferential groove, a width of said interior circumferential groove in said sliding sleeve members associated with a first group of contiguous spaced-apart ports being different than a width of said interior circumferential grooves in said sliding sleeve members associated with a second group of contiguous spaced-apart ports ;
  • a first actuation member positioned within said bore comprising:
  • a cylindrical hollow collet sleeve having a radially-outwardly biased and protruding profile, said profile configured to matingly engage said interior cylindrical grooves in said sliding sleeves associated with a first of said at least two groups of ports, but not matingly engage said interior cylindrical grooves associated with sliding sleeve members which initially cover said second group of ports;
  • a dissolvable plug member dimensioned so as to be positionable and remain lodged within said collet sleeve of said first actuation member at an uphole end thereof, which at least for a limited time when not dissolved together with said collet sleeve substantially obstruct passage of a fluid within said bore when said collet sleeve and dissolvable plug member are together situated in said bore, and becomes dissolved after said fluid is injected down said wellbore; wherein fluid pressure applied to an uphole end of said first actuation member causes said first actuation member to move downhole and engage said circumferential groove in said at least one sliding sleeve member associated with said first group of ports, and not engage said circumferential grooves of a different width in remaining cylindrical sliding sleeve members associated with said second group of ports, and move each sliding sleeve member associated with said first group of ports downhole so as to thereby uncover said ports in said first group of ports; and
  • a dissolvable plug member dimensioned so as to be positionable and remain lodged within said collet sleeve of said second actuation member at an uphole end thereof, which at least for a limited time when not dissolved together with said collet sleeve substantially obstructs passage of a fluid within said bore when said collet sleeve and dissolvable plug member are together situated in said bore, and becomes dissolved after said fluid is injected down said tubular liner; wherein fluid pressure applied to an uphole end of said dissolvable plug member upon a fluid being injected down said tubular liner, causes said second actuation member to move downhole and engage said circumferential groove in said at least one sliding sleeve members associated with said second group of ports, and move each sliding sleeve member associated with said second group of ports downhole so as to thereby uncover said ports in said second group of ports.
  • such system is particularly adapted for successively uncovering at least two separate groups of contiguous spaced-apart ports along a tubular liner.
  • the interior grooves and/or said resiliently outwardly biased profile on said first and/or second actuation members are provided with a chamfer so as to permit, after said profile on said first and second actuation members has matingly engaged a respective of said interior circumferential grooves, said profile on said first and or second actuation member to be released from said mating engagement therein upon further fluid pressure being applied uphole to said plug member, so as to allow the first and/or second actuation member to move further downhole and actuate(i.e. open) additional desired ports along such tubing liner.
  • each of sliding sleeve members at a lowermost (downhole) end thereof possess radially- outwardly biased and extending tab members which engage an aperture in said tubing liner when a respective of said sliding sleeve members is moved to uncover an associated port, which tab members when engaged in said aperture prevent respective of said sliding sleeve members from moving uphole to thereby close an associated port.
  • said first and second actuation members are provided, at a downhole end thereof, with an annular ring of a diameter substantially equal to the diameter of the sliding sleeve members, having a chamfer thereon to assist said actuation member in moving downhole in the tubular liner.
  • one or both of said first or second actuation members may be dissolvable upon being exposed for a period of time to said fluid.
  • the invention relates to a method for successively uncovering a plurality of spaced-apart ports along a hollow tubular liner. Such method comprises the steps of:
  • FIG.'s 1A-1D show a series of sequential views of a tubing liner incorporating the system of the present invention, with :
  • FIG. 1 A is an initial view showing the tubing liner with the ports and corresponding sleeves in the closed position ;
  • FIG IB is a subsequent view showing the tubing liner with the actuation member inserted in the liner and the collet sleeve and protuberances thereon engaging the first sliding sleeve member;
  • FIG. 1C is a subsequent view showing the actuation member having moved the most uphole sliding sleeve member so as shear the shear members and force the associated sliding sleeve member to move dowhole so as to thereby uncover its associated port, such actuation member having disengaged from such sliding sleeve member and in the process of moving further downhole to similarly open a further downhole sliding sleeve member and associated port; and
  • FIG. ID is a subsequent view showing the actuation member having engaged the more downhole sliding sleeve member and having sheared the associated shear members thereof and having moved such sleeve member downhole so as to likewise uncover its associated port, with the plug member having further sheared its retaining shear pins and moved downhole within the collet sleeve thereby preventing the protuberances on the collet sleeve from disengaging from the associated sliding sleeve member and the plug member and associated collet sleeve being further prevented from moving further downhole;
  • FIG.'s 2A-2D show a series of sequential views of a tubing liner incorporating a further refinement of the system of the present invention, namely comprising two different types of sliding sleeve members intended to be separately actuated by different actuation members, with :
  • FIG. 2A showing a tubing liner with the ports and corresponding sleeves in the closed position, and in particular with two types of sliding sleeve members, a first group thereof (the most uphole slidable sleeve member shown) having a circumferential groove of lesser width than the circumferential groove in adjacent downhole sliding sleeve members, and showing the tubing liner with the actuation member inserted in the liner and the collet sleeve and protuberances thereof having passed the first sliding sleeve member and continuing downhole in the liner ;
  • FIG. 2B is a subsequent view of the tubing liner showing the actuation member having moved past the most uphole sliding sleeve member within the tubular liner, and moved downhole to the second sliding sleeve member of the second group of slidable sleeves, wherein protuberances on the collet sleeve thereof having engaged the corresponding circumferential groove on such second sliding sleeve member ;
  • 2C is a subsequent view showing the actuation member having sheared the shear members initially retaining the second slidable sleeve member, and having moved such slidable sleeve member dowhnole so as to thereby uncover its associated port, and such actuation member having disengaged from such second sliding sleeve member and in the process of moving further downhole ;
  • FIG. 2D is a subsequent view showing the actuation member having engaged the most downhole sliding sleeve member and having sheared the associated shear members thereof and having moved such sleeve member downhole so as to likewise uncover its associated port, with the plug member having further sheared its retaining shear pins and moved downhole within the collet sleeve thereby preventing the protuberances on the collet sleeve from disengaging from the associated sliding sleeve member and the plug member and associated collet sleeve being further prevented from moving further downhole;
  • FIG. 3A-3B show two different types of sliding sleeve members-a first type as shown in Fig. 3 A having a circumferential groove of width Wl, and a second type as shown in Fig. 3B having a circumferential groove of width W2;
  • FIG.'s 4-8 show enlarged successive views of a most downhole sliding sleeve member and associated port when acted on by an actuation member, wherein: FIG. 4 shows an actuation member having been placed in the tubing liner, and such actuation member approaching the most-downhole sliding sleeve member ;
  • FIG. 5 shows the actuation member having engaged the circumferential groove(s) in the most-downhole sliding sleeve member
  • FIG.6 shows the plug member having sheared the shear pins retaining it in the uphole end of the collet sleeve, and the plug member having moved to the downhole end of the collet sleeve thereby preventing disengagement of the collet fingers with the circumferential groove;
  • FIG. 7 shows the collet sleeve and plug member having sheared the shear members retaining the slidable sleeve member in a closed position, and having moved the slidable sleeve member to the open position;
  • FIG. 8 shows the most downhole sleeve in the open position, with the plug member having dissolved:
  • FIG 9 is s perspective sectional view of a modified system, using modified sleeves adapted to receive a dart having a dissolvable ball therein, and which sleeves each have a uniquely sized or proportioned annular recess therein adapted to matingly engage only a unique dart having a mating unique profile;
  • FIG. 10 is a cross-section through a sleeve and dart, when the unique resiliently- biased profie of a particular dart has matingly engaged a correspondingly uniquely dimensioned annular recess of a particular sliding sleeve;
  • FIG. 11 is a similar cross-section through the same sleeve and dart, taken at a later point in time, namely when fluid pressure exerted uphole has forced shearing of the shear screws originally retaining the sliding sleeve covering the port/slots within the pipe mandrel, and moved the sleeve so downhole so as to uncover the port and allow engagement of collet fingers on the dart with a recess in the pipe to retain the sleeve in such position uncovering the port;
  • FIG. 12 is 3- dimensional enlarged view of the components shown in Fig. 10;
  • FIG. 13 is a 3-dimensional enlarged view of the compoents shown in Fig. 10, with fluid pressure being applied uphole to cause the dart with engaged sleeve to being to be moved downhole in order to commence opening the ports in the pipe mandrel;
  • FIG. 14 is is a 3-dimensional enlarged view of the components shown in Fig. 10, with fluid pressure having been being applied uphole for a further period of time so that the dart with engaged sleeve has bee moved further downhole in order to completely open the ports in the pipe mandrel;
  • FIG 15 is a another view of the sliding sleeve and dart, with ball, showing the position after the ports have been opened;
  • FIG 16 is a similar view of the sliding sleeve and dart, after a further period of time when the ball has dissolved thus opening the pipe for flow; and
  • FIG. 17 is a view of the dart member, while being run downhole in the pipe.
  • the present system can advantageously be used to provide and allow the injection of pressurized fluid into a hydrocarbon-bearing formation at desired optimal locations along the wellbore, for the purposes of initially fracturing the hydrocarbon formation and/or injecting flow-enhancing agents into the formation (such as acids, flow enhancing agents, and/or proppants) all for the purpose and objective of increasing the rate and quantity of hydrocarbons to be subsequently recovered from the hydrocarbon formation.
  • flow-enhancing agents such as acids, flow enhancing agents, and/or proppants
  • a tubing liner 200 inserted into a drilled wellbore serves a variety of purposes, one of which is the reinforcement of the wellbore and preventing collapse of the wellbore, another of which is to allow supply of such completion fluids under pressure to desired zones of the hydrocarbon formation, via ports situated longitudinally in spaced-apart relation along the tubing liner .
  • FIG. 1A shows a portion of a tubing liner 200 for insertion into a drilled horizontal wellbore (not shown), incorporating portions of the system of the present invention.
  • Tubing liner 200 is typically constructed of segments of steel pipe members 211, 212. 213 each of uniform length threadably coupled together at their respective ends.
  • Pipe members 211, 212, 213 are typically manufactured in various standardized lengths, widths, thicknesses, and material strengths, depending on the wellbore depth, diameter, pressures to which the tubing liner 200 will be exposed to, and the like.
  • Tubing liners 200 typically contain a bore 210, and further possess a plurality ports, such as ports 206, 206% 206", which in certain conditions are permitted to fluidly communicate with bore 210.
  • Ports 206, 206', 206" are initially closed during insertion of the tubing liner 200 into a wellbore, in order to avoid ingress into the bore 210 of detritus such as residual drill cuttings typically present in a wellbore which would otherwise clog ports 206, 206' and or bore 210 thereby preventing collection of hydrocarbons in the tubing liner and/or preventing production of such hydrocarbons to surface.
  • FIGS. IB-ID show the same tubing liner 200 in combination with an actuation member 202, which actuation member 202 is used to open selective ports 206, 206' in the manner hereinafter explained.
  • FIGS. IB-ID respectively depict the successive manner of operation of the actuation member 202 on the plurality of sliding sleeve members 204, 205 in the tubing liner 200 to successively open associated ports 206, 206' in tubing liner 200 .
  • Such components together broadly comprise the system of the present invention.
  • hollow cylindrical sliding sleeve members 203, 204, 205 are provided within tubing liner 200, initially each in a closed position overlapping and thereby covering respective ports 206, 206', 206" thus preventing fluid communication between bore 210 and any of ports 206, 206', 206".
  • Each of sliding sleeve members 203, 204, 205 is provided with a circumferential groove or aperture 220, of a uniform width *W as shown in FIG.'s 1A-1D.
  • groups of sliding sleeve members possess circumferential grooves 220 of a given uniform width 'Wl', whilst other groups of sliding sleeves possess circumferential grooves 220 of a greater uniform width 'W2', as shown in FIG's 2A-2D herein.
  • Shear members which in one embodiment comprise shear screws or shear pins 222, are provided to secure, at least initially, each of sliding sleeve members 203, 204, 205 to tubing liner 200, to thereby secure each of sleeve members 203, 204, 205 in an initial closed position overlapping each of respective ports 206, 206', 206".
  • Shear screws 222 are configured to shear upon a force being applied to the respective sliding sleeve members 203, 204, 205 exceeding a given design value, so as to allow slidable downhole movement of sleeve members 203, 204, 205 to uncover a respective ports 206, 206', 206".
  • an actuation member 202 is provided, positionable within bore 210.
  • Actuation member 202 comprises a cylindrical hollow collet sleeve 232.
  • Collet sleeve 232 possesses at least one radially- outwardly protruding and outwardly-biased protuberance 234.
  • the collet sleeve 232 possesses a plurality of elongate longitudinally extending and radially outwardly biased finger members 240 thereon, with each finger member 240 having thereon said radially-outwardly protruding protuberance 234.
  • Protuberance 234 is configured of a width equal to or slightly less than width 'W" of circumferential groove 220, to thereby allow matingly engagement with each of respective interior circumferential grooves 220 in each of sliding sleeve members 206', 206".
  • Finger members 240 being radially outwardly biased, may be inwardly compressed to allow collet sleeve 232 and associated protuberances 234 to become radially inwardly compressed to thereby allow disengagement of collet sleeve 232 and protuberance 234 from a respective sliding sleeve member and associate groove 220, once the respective sliding sleeve member 204, 205 is moved so as to uncover respective port 206', 206", to thereby allow actuation member 202 to continue to move downhole and further actuate (open) all desired remaining sliding sleeve members 204, 205 having circumferential grooves 220 therein of width 'W".
  • a plug member 250 is provided within collet sleeve 232 of actuation member 202.
  • Plug member 250 is initially secured by shear pins 275 to collet sleeve 232 at an uphole end of collet sleeve 232, as shown for example in FIG.'s IB, 1C, 2B, 2C, and FIG. 5.
  • shear pin herein in this application means and includes any shear screw, shear pin, frangible weld or solder connection initially securing plug member 250 to uphole end of collet sleeve 232.
  • Shear pins 275 when a fluid pressure is applied on an unphole side of plug member 250 in excess of a given value, are adapted to shear so as to release plug member 250 from being secured to the uphole side of collet sleeve 232 and to then travel downhole within collet sleeve 232 to a downhole portion of collet sleeve 232, where further movement of plug member 250 is prevented by an extremity (a chamfered shoulder 255) of collet sleeve 232.
  • Fluid pressure applied to an uphole end of said actuation member 202 and plug member 250 causes collet sleeve 232 to move downhole, as shown in successive FIG.'s 1B- ID, and in successive figures FIG.'s 2B-2D, and engage circumferential grooves 220 in respective downhole sliding sleeve members 204, 205 and successively move sliding sleeve members 204, 205 downhole so as to thereby uncover each of corresponding ports 206', 206".
  • the fluid pressure required to shear said shear members 222 securing slidable sleeve members 204 is less than the fluid pressure required to shear said shear pins 275 securing said plug member 250 to said uphole end of said collet sleeve 232, save and except for the fluid pressure required to shear the shear members 220 securing the most downhole sliding sleeve member 205.
  • plug member 250 when opening a most-downhole sliding sleeve member 205, due to the higher shearing strength in shearing members 222 than shear pins 275, plug member 250 firstly shears shear pin 275 therein and thereby allows plug member 250 to move downhole in collet sleeve 232 from the first uphole position (FIG. 5) in collet sleeve 232 to the second position (ref. FIG. 6) where it is restrained by chamfered shoulders 255 on plug member 250. Movement of plug member 250 to the second position (ref. FIG. ID and FIG.
  • burst plates 300 may be provided which cover each of ports 206, 206% and 206.
  • Burst plates 300 are adapted to rupture and allow fluid communication from bore 210 to a respective port 206', 206" when fluid pressure in bore 210 (i) exceeds the fluid pressure necessary to cause plug member 250 and collet sleeve 232 to shear the shear members 222, including the most downhole of the shear members 220 securing the most downhole sliding sleeve 205; and (ii) when the fluid pressure in bore 210 also exceeds the fluid pressure necessary to cause plug member 250 to shear the shear pins 275 and move plug member 250 to the second downhole position in collet sleeve 232.
  • Burst ports 300 covering such first group of ports 206 may be provided with a different burst pressure than burst ports 300 covering ports 206', 206".
  • burst plates covering second ports 206', 206" may have a lower burst pressure than burst ports covering uphole first ports 206.
  • FIG's 2A-2D show the embodiment of the system discussed immediately above, namely were individual discrete groups of ports are provided, namely first ports 206 and second ports 206', 206" where each of said first ports and second ports 206', 206" are desired to be opened separately, but without burst plates 300 being provided.
  • a series/group of first uphole sleeve members 203 as shown in
  • Each of first ports 206 have an associated sliding sleeve member 203 which in a closed position overlaps port 206 preventing fluid communication with bore 201.
  • Uphole sliding sleeve member 203 possesses a circumferential groove 220 of width Wl, adapted to be matingly engaged by a protuberance 234 on an actuation member 202 to allow fluid pressure uphole of actuation member 202 to force actuation member 202 comprising collet sleeve 232 and plug member 250 downhole thereby likewise forcing sliding sleeve member 203 downhole thereby uncovering port 220.
  • Chamfered edges 221 on groove 220 and continued fluid pressure exerted on actuation member 202 allow collet sleeve 232, and in particular collet fingers 240 thereon, to be radially inwardly compressed thereby causing protuberance 234 thereon to be likewise radially inwardly compressed, thereby freeing protuberances 234 from mating engagement with groove 220 and allowing continued downhole movement of actuation member 202 to actuate similar downhole slidable sleeve members having grooves 220 of similar or lesser widths Wl .
  • a second series/group of (second) ports 206', 206" are located downhole from said first ports 206, each of second ports 206% 206" having respective second sliding sleeve members 204, 205.
  • Each of such sliding sleeve members 204, 205 have a circumferential groove 220 of width W2, wherein W2>W1.
  • a first actuation member 220 having thereon a protuberance 234 of width W2 is firstly inserted into bore 210, and propelled downhole by fluid pressure applied to bore 210.
  • First actuation member 220 having a collet sleeve 232 and protuberances 234 thereon of width W2 does not engage circumferential groove 220 on (first) (uphole) sliding sleeve member(s) 203 covering first port 206 due to width W2 of protuberance 234 on first actuation member 220 being greater than width Wl of groove(s) 220 in first sliding sleeve member(s) 203.
  • First actuation member 220 continues to travel further downhole in tubing liner 200.
  • Fluid pressure on the uphole side of actuating member 202 causes further downhole movement thereof, causing sliding sleeve 204 to move downhole and thus uncover/ open associated port 206'.
  • a snap ring 270 may further engage the sliding sleeve 204 when in such open position, in order to retain sliding sleeve 204 in such position uncovering associated port 206' .
  • collet sleeve 232 Due to chamfering (i.e. provision of chamfered shoulders 221) in groove 220 , collet sleeve 232 (and in particular collet fingers 240 and protuberances 234 thereon) are radially inwardly compressed when downhole force is continued to be applied to actuation member 202, causing disengagement of protuberances 234 from groove 220. Such allows first actuation member 202 to continue to further downhole to actuate /open additional ports in said group of second ports 206', 206".
  • FIG.'s 2C & 2D along with FIG.'s 4-7 showing an enlargement of the operation of the most-dowhnole sleeve 205 when actuated on by the first actuation member 202, and depict the system's operation in actuating the most-downhole sleeve 205 and uncovering the associated most-downhole (second ) port 206".
  • protuberance(s) 234 matingly engage groove 220 thereon.
  • Plug member 250 when is such second position prevents collet fingers 240 and associated protuberances 234 thereon from being inwardly radially compressed and thereby prevents protuberances 234 from becoming disengaged with circumferential groove 220 (ref. FIG. 6). Further fluid pressure applied to bore 210 uphole of first actuation member 202 then causes further downhole movement of plug member 202 thereby causing sliding sleeve 205 to move downhole and thus uncover/ open associated port 206".
  • a snap ring 270 may further be provided to engage sliding sleeve 205 when in such open position, to thereby retain sliding sleeve 204 in such position uncovering associated port 206", as shown in FIG. 7. Thereafter, fluid can be injected into the formation via open ports 206', 206", to allow tracking of the formation in the region of ports 206', 206" .
  • plug member 250 if not dissolvable may be reamed out by insertion of a reaming member (not shown) within liner 200 to thereby remove actuation member 202 and associated plug member 250 from within tubing liner 200 to prevent obstruction of fluids within liner 200.
  • a reaming member not shown
  • another (second) actuating member 202 is employed, also having protuberance profiles 234 thereon.
  • Second actuating member 202 differs only from the first actuating member 202 in that the second actuating member 202 has protuberances profiles 234 thereon of width Wl, where Wl is less than the width W2 of protuberances 234 on first actuating member 202.
  • the operation of second actuation member 202 on uphole sliding sleeve member(s) 203 to thereby actuate/uncover uphole (first) port(s) 206 is identical to the manner described above for utilizing first actuating member 202 in actuating downhole sliding sleeve members 204, 205 to open second ports 206', 206".
  • a snap ring 270 may further be provided to engage sliding sleeve 203 when in such open position, to thereby retain sliding sleeve 203 in such position uncovering associated port 206.
  • burst ports may be provided over each of ports 206, 206', and 206".
  • burst plates 300 covering each of said ports in a plurality of groups of ports are expressly configured to rupture and allow fluid communication from said bore 210 only upon a fluid pressure in said bore exceeding:
  • Fig. 9 shows a portion of a tubing liner 200 of the present invention when installed in a wellbore, and prior to injection in tubing liner 200 of an actuation member 202.
  • Fig. 9 shows a portion of a tubing liner 200 of the present invention when installed in a wellbore, and prior to injection in tubing liner 200 of an actuation member 202.
  • Sliding sleeve members 203, 204 are shown in their initial (closed) position covering respective ports 206,206' in tubing liner 200.
  • each of sliding sleeve members 203, 204 at a lowermost downhole end thereof possess radially- outwardly biased and extending tab members 400, upwardly protruding ends 402 thereof being configured to engage an aperture 410 in said tubing liner 200 when a respective of said sliding sleeve members 203,204 is moved to uncover an associated port 206,206', which ends 402 of tab members 400 when engaged in said aperture 410 prevent respective of said sliding sleeve members 203,204 from moving uphole to thereby close an associated port 206,206'.
  • Figs. 10 and 11 show a sequence of operation of one actuation member 202, when a plug member 250 such as a spherical ball 250' and actuation member 202 are forced downhole via fluid pressure injected at surface into tubing liner 200.
  • Fig. 10 shows the initial engagement of the radially outwardly -biased protuberance profile 234 of width Wl on actuation member 202, with interior annular groove 220 in sliding sleeve member 203 of corresponding width Wl.
  • Fig. 11 shows the subsequent position of sliding sleeve member 203, after pressurized fluid has been injected uphole of actuation member 202, and ball member 250' has forced sliding sleeve member 203 and tabs 400 downhole so as to open ports 206 and simultaneously cause ends 402 on tab members 400 to engage aperture 410 in tubular liner 200, thereby thereafter preventing slidable sleeve member 203 from moving back uphole .
  • Figs. 10 shows the initial engagement of the radially outwardly -biased protuberance profile 234 of width Wl on actuation member 202, with interior annular groove 220 in sliding sleeve member 203 of corresponding width Wl.
  • Fig. 11 shows the subsequent position of sliding
  • actuation member 202 can only be used for engaging and moving a single sliding sleeve member 203, which may be desired for some fracking operations looking to only open a single localized port 206 in said tubing liner 200 for a particular fracking operation.
  • actuation member 202 comprising collet sleeve 232 and protuberance/profile 234 is made dissolvable, namely of a dissolvable material which relatively rapidly dissolves in a fluid such as a highly basic or acidic fluid which may be injected downhole in said tubing liner 200 to thereby remove actuation member 202 from tubing liner 200.
  • Fig.'s 12, 13, and 14 show a three dimensional partial cut-away rendition of the two- dimensional illustrations shown in Fig. 10 & 11, showing in Fig.
  • FIG. 12 illustrate consecutive steps (i)- (iii) of the method set out above in the Summary of the Invention.
  • Figs. 12, 13, and 14 show a variation of the protuberance profile 234 and interior groove 220, wherein interior groove 220 on a downhole side edge thereof and/or said protruding profile 234 on a downwhole side edge thereof are each provided with a chamfer 800, 802, respectively.
  • Such a configuration advantageously permits, after actuation member 202 has matingly engaged a respective of said interior circumferential grooves 220 on an associated slidable sleeve member 203 and moved said slidable sleeve member 203 downhole to open an associated port 206, said resiliently- outwardly-biased profile 234 on actuation member 202 to be released from said mating engagement therein upon further fluid pressure being applied uphole to said plug member 250'.
  • actuation member 202 may advantageously then continue downhole, along tubular member 200 as shown in Fig.
  • Fig. 12 shows actuation member 202 having a protruding profile 234 of width Wl matingly engaging circumferential groove 220 of width Wl.
  • Fig. 13 shows the actuation member 202 having partially moved sliding sleeve member 203 to partially uncover ports 206 in tubing liner 200.
  • Fig. 14 shows the actuation member 202 having completely moved sliding sleeve member 204 to completely uncover ports 206' in tubing liner 200, so that tab members 400, and in particular protruding ends 402 thereof, have then engaged aperture 410 in tubular liner
  • Fig. 15 shows the position of actuation member 202 and ball member 250' thereof, after having opened ports 206.
  • Fig. 16 shows a subsequent step in the method, wherein the plug member 250 (ball 250') has dissolved.
  • the above process may be repeated for similar of downhole sliding sleeve members 203 having a consistent width Wl, by employing chamfers on said downhole edge of each of said circumferential groove 220 and protuberance profile 234, to allow actuation member 202 to disengage from a respective sliding sleeve member after opening such sleeve member, for subsequent travel downhole to actuate other similar sleeve members with identically configured/sized circumferential grooves 220.
  • an actuation member such as the actuation member 202' shown in Fig. 17 having a protuberance profile 234 of corresponding lesser width Wo , may be used to consecutively then open sliding sleeve members in such group.
  • actuation member 202' may be provided with an annular ring 600 of a diameter substantially equal to the diameter of the sliding sleeve members, to assist actuation member 202' in moving downhole in the tubular liner without becoming otherwise "cocked" in said liner 200 .
  • a bevel 602 on ring 600 may further be provided to further assist in this function.

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Abstract

La présente invention concerne un système pour découvrir successivement une pluralité d'orifices contigus dans un chemisage de colonne de production à l'intérieur d'un puits de forage, ou pour découvrir successivement des groupes individuels d'orifices agencés à des emplacement différents mais adjacents le long du chemisage, pour permettre le suivi successif du puits de forage à de tels emplacements. Des manchons coulissants dans le chemisage de colonne de production sont prévus, dans lesquels se trouve une rainure circonférentielle, qui sont déplacés successivement d'une position fermée qui recouvre un orifice respectif à une position ouverte qui découvre un tel orifice par un élément d'actionnement placé dans le trou du chemisage de colonne de production. Chaque élément d'actionnement comprend un bouchon soluble qui, dans un mode de réalisation, est retenu par des goupilles de cisaillement à une extrémité en hauteur de trou de forage d'un manchon à dispositif de serrage, ce dernier comportant des protubérances (doigts) sollicitées radialement vers l'extérieur qui entrent en prise avec des manchons coulissants dans lesquels se trouvent des rainures cylindriques, en fonction de la largeur de la protubérance. Dans un mode de réalisation, lors de l'actionnement du manchon le plus en profondeur de trou, la goupille de cisaillement se cisaille, permettant au bouchon de se déplacer dans le manchon à dispositif de serrage et d'empêcher la protubérance (les doigts) de se séparer.
PCT/CA2016/050478 2014-10-02 2016-04-25 Système pour découvrir successivement des orifices le long d'un puits de forage pour permettre l'injection d'un fluide le long dudit puits de forage WO2016172791A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
MX2017005993A MX2017005993A (es) 2014-10-02 2016-04-25 Sistema para descubrir sucesivamente puertos a lo largo de un pozo para permitir inyeccion de un fluido a lo largo de dicho pozo.
AU2016253992A AU2016253992B2 (en) 2014-10-02 2016-04-25 System for successively uncovering ports along a wellbore to permit injection of a fluid along said wellbore
CN201680003598.7A CN107429556B (zh) 2014-10-02 2016-04-25 用于将沿井筒的端口相继露出以允许沿所述井筒注射流体的系统
RU2017119427A RU2683294C1 (ru) 2014-10-02 2016-04-25 Система для последовательного открытия отверстий вдоль скважины для обеспечения возможности подачи через них текучей среды
CONC2017/0004267A CO2017004267A2 (es) 2015-04-27 2017-04-27 Sistema para descubrir sucesivamente puertos a lo largo de un pozo para permitir la inyección de un fluido a lo largo de dicho pozo
ECIEPI201728171A ECSP17028171A (es) 2015-04-27 2017-05-10 Sistema para destapar puertos sucesivamente a lo largo de un pozo para permitir la inyección de un fluido a lo largo de dicho pozo
SA517381750A SA517381750B1 (ar) 2014-10-02 2017-06-15 نظام للكشف عن منافذ على امتداد حفرة بئر بالتتابع للسماح بحقن مائع على امتداد حفرة البئر المذكورة
AU2020205267A AU2020205267B2 (en) 2014-10-02 2020-07-15 System for successively uncovering ports along a wellbore to permit injection of a fluid along said wellbore

Applications Claiming Priority (4)

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US14/697,271 US9840890B2 (en) 2014-10-02 2015-04-27 System for successively uncovering ports along a wellbore to permit injection of a fluid along said wellbore
US14/697,271 2015-04-27
CA2,904,470 2015-09-18
CA2904470A CA2904470A1 (fr) 2015-04-27 2015-09-18 Dispositif servant a decouvrir successivement des orifices le long d'un puits de forage pour permettre l'injection d'un fluide le long dudit puits de forage

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CO (1) CO2017004267A2 (fr)
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RU2725466C1 (ru) 2016-09-15 2020-07-02 Халлибертон Энерджи Сервисез, Инк. Безкрюковое подвесное устройство для применения в многоствольных скважинах
US10428608B2 (en) 2017-03-25 2019-10-01 Ronald Van Petegem Latch mechanism and system for downhole applications
CA2966123C (fr) * 2017-05-05 2018-05-01 Sc Asset Corporation Systeme et methodes associes de fracturation et completion d'un puits comportant des filtres a sables destines a controler le sable
US10519748B2 (en) 2017-11-21 2019-12-31 Sc Asset Corporation Locking ring system for use in fracking operations
US10584559B2 (en) 2017-11-21 2020-03-10 Sc Asset Corporation Collet with ball-actuated expandable seal and/or pressure augmented radially expandable splines
WO2019100138A1 (fr) * 2017-11-21 2019-05-31 Sc Asset Corporation Pince de serrage dotée d'un joint extensible actionné par rotule et/ou de cannelures radialement extensibles à pression augmentée
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US11867033B2 (en) 2020-09-01 2024-01-09 Mousa D. Alkhalidi Casing deployed well completion systems and methods
US11459867B1 (en) 2021-03-15 2022-10-04 Sc Asset Corporation All-in-one system and related method for fracking and completing a well which automatically installs sand screens for sand control immediately after fracking
WO2022192979A1 (fr) * 2021-03-15 2022-09-22 Sc Asset Corporation Système tout-en-un et procédé associé pour la fracturation et la complétion d'un puits qui installe automatiquement des tamis à sable pour une régulation de sable immédiatement après fracturation
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CA2927850A1 (fr) 2016-07-15
CA2927850C (fr) 2017-05-09
CA2904470A1 (fr) 2015-11-18
CO2017004267A2 (es) 2017-07-19

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