WO2010129266A2 - Nitinol dans le bouchon provisoire d'un tube - Google Patents

Nitinol dans le bouchon provisoire d'un tube Download PDF

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Publication number
WO2010129266A2
WO2010129266A2 PCT/US2010/032544 US2010032544W WO2010129266A2 WO 2010129266 A2 WO2010129266 A2 WO 2010129266A2 US 2010032544 W US2010032544 W US 2010032544W WO 2010129266 A2 WO2010129266 A2 WO 2010129266A2
Authority
WO
WIPO (PCT)
Prior art keywords
membrane
bridge member
bridge
ribs
mandrel
Prior art date
Application number
PCT/US2010/032544
Other languages
English (en)
Other versions
WO2010129266A3 (fr
Inventor
Gary J. Cresswell
Freeman L. Hill
William J. Befeld
Gregory Rinberg
Dan Raz
Michael Goldstein
Original Assignee
Baker Hughes Incorporated
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 Baker Hughes Incorporated filed Critical Baker Hughes Incorporated
Priority to US12/937,039 priority Critical patent/US20120273199A1/en
Publication of WO2010129266A2 publication Critical patent/WO2010129266A2/fr
Publication of WO2010129266A3 publication Critical patent/WO2010129266A3/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
    • 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

Definitions

  • the invention relates generally to the field of oil and gas production. More specifically, the present invention relates to a system and method for plugging tubing within a borehole. 2. Description of Prior Art
  • Downhole plugs are used to block flow through a wellbore tubular and can be formed from an elastomeric membrane on a mandrel or coaxially stacked members. Downhole plugs can be selectively set into place by expanding the membrane or collapsing the stacked members to block the annular space within the mandrel. Plug or packer setting can occur by axially compressing the mandrel or by filling the membrane with a pressurized fluid.
  • the tubulars can be casing or production tubing.
  • the bridge member is used with a bridge plug assembly and includes a pair of collars that both set around an axis and spaced apart from one another.
  • Elongated ribs are included where each rib is made from a superelastic material and have ends coupled to the collars. A mid-portion of the ribs, between the collars, projects radially outward with respect to the ends of the ribs.
  • Webs are included that connect between each adjacently rib; the webs are also formed from a superelastic material.
  • the ribs and webs include an alloy having nickel of about 55% to about 57% by weight and titanium of about 45% to about 43% by weight.
  • a portion of one of the ribs or webs that deforms due to an applied load transforms from an austenite to a deformed martensite.
  • the rib thickness ranges from about one to three times the thickness of the web.
  • An annular elastomeric seal can be included that circumscribes the mid-portion of the ribs and has an outer surface that seals against an inner surface of a tubular.
  • the web can be elastically deformed at a value of up to about 8% along the folds and can be subjected to a stress of about 7.33 x 10 8 N/m 2 .
  • the method includes providing a bridge plug assembly that is made up of a mandrel, a bulbous membrane circumscribing the mandrel, and a pair of end collars coupled on each end of the bridge member and circumscribing the mandrel.
  • the membrane can include a superelastic material.
  • the method further includes configuring the membrane so it can be moved within a tubular, this can be accomplished by rotating one of the collars with respect to the other collar. This twists the membrane to elastically forming folds within the membrane and pulls the membrane radially inward toward the mandrel. In an example embodiment, the folds are oppositely facing.
  • the method can also include inserting the bridge plug assembly into the tubular and then removing the resistive force; this allows unloading of the elastically maintained stress and the inherent elasticity of the material reforms the membrane as it was before it was twisted so it can unfold and expand to block the tubular.
  • the membrane can be reloaded into the smaller diameter configuration and the bridge plug assembly removed from the tubular.
  • the bridge plug assembly can also include ribs coupled with the membrane.
  • the ribs can be substantially aligned with the mandrel when no stress is applied to the membrane, and oblique with the mandrel when the membrane is loaded.
  • the membrane includes an alloy having nickel of about 55% to about 57% by weight and titanium of about 45% to about 43% by weight.
  • the method can include injecting liquid into the membrane.
  • the tubular is within a wellbore and undulations can be defined along outer circumference of the membrane.
  • a bridge plug assembly that includes a bulbous and substantially hollow member, where the member is made from a superelastic material.
  • the member includes a membrane with a series of strategically located foldable regions.
  • the bridge plug assembly can further include a mandrel circumscribed by the member and a pair of spaced apart and annularly shaped ends that also circumscribe the mandrel.
  • the annularly shaped ends may be coupled to opposing ends of the member, so that when a rotational force is applied to one of the ends with respect to the other end, the outer diameter of the member reduces and folds form along the foldable regions that retain therein at least a portion of the force applied to said one of the ends.
  • the annularly shaped ends are made up of a first annularly shaped end and a second annularly shaped end
  • the member further comprises elongated ribs coupled with the membrane that project from the first annularly shaped end into engagement with the second annularly shaped end.
  • the ribs can be substantially parallel with the mandrel and moved into an oblique orientation with respect to the mandrel after the rotational force is applied to one of the ends.
  • the membrane may include a nickel titanium alloy.
  • the member is made up of segments joined together, each segment having a raised mid portion aligned with the mandrel so that the outer circumference of the member defines an undulating surface.
  • FIG. IA is a side partial sectional view of an example embodiment of a bridge plug assembly being inserted into a wellbore.
  • FIG. IB is a depiction of the bridge plug assembly of FIG. IA being set in the wellbore.
  • FIG. 2 is a graphic illustration of an example embodiment of a crystalline structure of a superelastic material under a load.
  • FIG. 3 is a stress-strain plot of an example embodiment of a superelastic material.
  • FIG. 4 is a perspective illustration of the bridge member of FIG. 2 in a deployed configuration.
  • FIG. 5 is a sectional view of the bridge member of FIG. 4.
  • FIG. 6 is a perspective view of the bridge member of FIG. 4 in an insertion configuration.
  • FIG. 7 is a partial sectional view of the bridge member of FIG. 6.
  • FIG. 8 is an illustration of the bridge member of FIG. 4 having an annular sleeve.
  • FIG. 9 is a side sectional view of the bridge member of FIG. 8.
  • FIG. 10 is a side perspective view of an alternative bridge member for use in a bridge plug assembly in accordance with the present disclosure.
  • FIG. 1 1 is a side perspective view of the bridge member of FIG. 10 in a deployed configuration.
  • FIGS. 12 and 13 are respective sectional views of the bridge member of FIGS. 10 and 11.
  • FIGS. 14 and 15 are sectional views of an example embodiment of a bridge member segment taken along the member axis.
  • FIG IA Shown in FIG IA is a partial sectional view of a bridge plug assembly 20 being deployed within a tubular 9 that is set in a wellbore 7.
  • a formation 5 circumscribes the wellbore 7.
  • the tubular 9 can be casing lining the wellbore 7 or production tubing coaxially deployed within casing.
  • the bridge plug assembly 20 shown is being deployed on wire line 22 that is suspended downward into the wellbore 7 from a wellhead assembly 11.
  • the bridge plug assembly 20 can be deployed from other means, such as coiled tubing.
  • the bridge plug assembly 20 includes an elongated body 24 and a bridge member 28A provided along a section of the body 24.
  • the embodiment of the bridge plug assembly 20 is in the insertion configuration for insertion within the tubular 9. While in the insertion configuration, the bridge plug assembly 20 can be disposed to a desired location in the tubular 9; alternatively, a bridge plug assembly 20 in an insertion mode may be freely moved through the tubular 9.
  • the bridge member 28A is selectively expandable into a configuration having an enlarged periphery.
  • FIG. IB an example embodiment of the bridge plug assembly 20 is illustrated with the bridge member 28A selectively expanded so that the outer surface of the bridge member 28A projects radially outward past the outer perimeter of the body 24.
  • the bridge member 28A can be expanded partially into the annular space between the body 24 and inner circumference of the tubing 9, or fully into the annular space so that it is in sealing engagement with the tubular 9.
  • the bridge member 28A is made at least in part by pseudoelastic or superelastic materials.
  • superelastic describes materials that can elastically endure greater strain rates than non-superelastic materials.
  • a superelastic material transforms from an austentic phase to a deformed martensitic phase when under an applied stress. This transformation involves domain boundaries to move, which is a reversible mechanism.
  • the stress applied to a superelastic material is released, the material returns to the original austentic phase and conforms to the original shape and configuration.
  • Example superelastic materials include a nickel titanium alloy, wherein the nickel percentage ranges up to about 60% by weight, in another embodiment the percentage of weight of nickel can range from about 40% to about 58%, in another embodiment the percentage of weight of nickel can range from about 48% to about 53%, and in another embodiment the percentage of weight of nickel in the alloy can be about 55%. Additional embodiments exist wherein the percentage weight of nickel can be any value within the aforementioned ranges.
  • the balance of the alloy can be titanium, or optionally, a combination of titanium and some, all, or a mixture of other constituents, such as copper, iron, oxygen, hydrogen, cobalt, molybdenum, magnesium, and carbon.
  • a stress-strain curve of an example superelastic material is graphically provided in FIG. 3 illustrating elasticity at strains of up to about 8%.
  • the stress/strain ratio increases linearly under an applied load up to an inflection point, then, while undergoing continued loading, the stress remains substantially constant as the strain increases.
  • the portion of the plot depicting relatively unchanging stress with increasing strain may be referred to as a loading plateau.
  • the stress/strain both decrease up to an inflection point, after which the stress remains substantially the same as the strain decreases.
  • This portion of the plot may be referred to as an unloading plateau. As illustrated, the unloading plateau occurs at a lower value of stress than the loading plateau.
  • FIG 4 Shown in a side perspective in FIG 4 is an example embodiment of a bridge member 28A in an expanded configuration.
  • the bridge member 28A has a bulbous pumpkin like mid-portion shown about an axis Ax.
  • the outer surface of the bridge member 28A projects radially inward at the opposing ends of the bridge member 28A and "necks" down to define annular base rings 30 or collars at each end of the bridge member 28A.
  • the base rings 30 are shown having substantially the same dimensions and coaxially circumscribing axis Ax.
  • the bridge member 28A is a generally hollow member having a membrane-like body depending between the base rings 30.
  • the hollow body includes elongated ribs 32 each having first and second ends connected to the base rings 30.
  • the ribs 32 extend along a line generally parallel to the axis Ax. Webs 34 are shown laterally spanning between each adjacent rib 32 and filling the space between the adjacent ribs 32.
  • the bridge member 28A may be formed by attaching together multiple segments 36 to form the bridge member 28A.
  • An example method of attaching the segments 36 includes welding and/or other methods of adhesion.
  • a line L is shown on the bridge member 28A to illustrate an example configuration of the segment 36.
  • the segment 36 includes an angular portion of one of the base rings 30 about the axis Ax that extends towards the other base ring 30 up to about the mid-portion of the bridge member 28A.
  • the segment 36 includes three ribs 32 with the middle rib disposed along a curved path further away from the axis Ax than either of the two lateral ribs 32.
  • the segment 36 outer surface continues its downward slope towards the axis Ax to its terminal lateral end.
  • Each adjacent segment 36 which has a similar configuration, therefore forms a bridge member 28A with its outer circumference having a generally undulating form along the circumference.
  • FIG 5 A sectional view of the bridge member 28A is provided in FIG 5 wherein the section is taken substantially perpendicular to the axis A x , this view illustrates a thickness difference between the ribs 32 and web 34.
  • the width of each rib 32 reaches a maximum roughly at the mid-portion of the bridge member 28A along the axis Ax, then narrowing to a minimum proximate to where each rib 32 attaches to the ring 30.
  • the ribs 32 are substantially parallel with the axis A x .
  • the ribs 32 change orientation from being parallel with the axis Ax to a helical type arrangement.
  • An example of this is illustrated in FIGS. 6 and 7.
  • Setting the ends of the rib 32 at different circumferential locations along the two base rings 30 draws the mid-portions of the ribs 32 radially inward towards the axis Ax, thereby forming the generally tubular shape of the bridge member 28 of FIGS. 6 and 7.
  • maintaining a torsional force on the bridge member 28 can retain the tubular shape, which may be required for insertion into the tubular 9 or retrieval therefrom.
  • FIG 6 illustrates a perspective view of an example of a bridge member 28 used in combination with the bridge plug assembly 20.
  • the bridge member 28 in this embodiment is shown as a generally annular member. In this configuration, referred to as an insertion configuration, the bridge member 28 is insertable into a downhole tubular.
  • applying a torsional force to the rings 30 forms flatter ribs 32a and angles them with respect to the axis A x so their respective ends couple to the rings 30 at different azimuths.
  • a partial sectional view of the member 28 of FIG 6 is provided in FIG 7. In this view the member 28 includes sections 36 each extending along the length of one or more ribs 32A from one of the rings 30 to about the mid-portion of the bridge member 28.
  • FIG 8 Shown in side perspective view in FIG 8 is a bridge member 28A in the expanded deployed mode and a sleeve 40 that circumscribes its outer surface.
  • the sleeve 40 may include an elastomeric or other polymeric material used in forming a sealing surface with a tubular inner circumference.
  • the sleeve 40 includes a nitrile rubber material.
  • FIG 9 illustrates in a side sectional view an example of a bridge plug assembly 20 shown equipped with a bridge member 28A and outer sleeve 40 radially expanded into contact with a tubular 9.
  • the bridge plug assembly 20 includes an elongated cylindrical mandrel 42 coaxial with its axis Ax.
  • Deployment mechanisms 44 circumscribe the mandrel 42 at opposite ends of the bridge member 28A where they are shown affixed on the outer lateral sides of the respective ring members 30.
  • the deployment mechanism 44 can axially rotate the bridge member 28A from its expanded mode into its retracted mode for passage through the tubular 9.
  • the deployment mechanism 44 can further be locked in place to retain the member 28A in its annular configuration until the member is within the tubular 9 pre-designated location for deployment.
  • Deploying the bridge plug assembly 20 can include commanding the mechanism 44 to remove the torsional force applied to one or each of the base rings 30.
  • the applied torsion force stores energy in the bridge member 28 since memory in the bridge member 28 material causes it to return to its convex shape (FIG. 4).
  • FIGS 10 and 1 1 Shown in side perspective views respectively in FIGS 10 and 1 1 is an alternative bridge member 29 shown having a generally annular configuration with coaxially and circular ring members 31 affixed at the end of the member 29.
  • each rib 33A of FIG 10 each are angled with respect to the axis Ax thus taking a curved path between the base rings 31. Additionally, each rib 33A is disposed at generally the same radial location away from the axis Ax as other ribs 33A of the bridge member 29A. A web 35A spans the lateral distance between adjacent ribs 33A.
  • Shown in FIG. 11 is a perspective view of a bridge member 29 that is an example of the bridge member 29A of FIG. 10 after having been torsioned to smaller diameter bridge member 29 for passage through a tubular. Unlike the embodiment in FIG 6, the radius of the bridge member 29 of FIG 11 bulges slightly proximate the mid-portion.
  • FIGS. 12 and 13 illustrate cross sectional views, shown parallel with the axis Ax, of the bridge member 29 A, 29 respectively of FIGS. 10 and 11. More specifically, with reference to FIG 12, depicted is an example embodiment an arrangement of the web 35 into a series of folds 37 in response to applied torsional force at the base rings 31 and around the ribs 33. Converting the ribs 33A web 35A of FIGS. 10 and 13 into the ribs 33 and web 35 of FIG. 11, reconfigures the ribs 33A and folds the web 35A to radially compact the bridge member 29. While in the compact configuration, the bridge member 29 can travel in and out of a downhole tubular.
  • FIG. 14 illustrates a side sectional view of the bridge member segment 36 when the bridge member 28A is radially expanded.
  • the section 36 includes a portion of the bridge member 28A having three ribs: that include a middle rib 32 with adjacent lateral ribs 320, 321.
  • the lateral ribs 320, 321 are wider than the middle rib 32.
  • the thickness of the ribs 32, 320, 321 can range from about the same thickness as the web 34 up to about three times the thickness of the web 34.
  • the web 34 connectively spans laterally between each adjacent rib 32, 320, 321.
  • a reference axis A s is shown adjacent the segment 36.
  • FIG 15 shows the section 36 of FIG. 14 in a torsioned configuration for tubular passage.
  • the web 34A curves between the middle rib 32 and lateral rib 321 with a radius Ri projecting from an origin O 2 .
  • the web 34A also curves along the portion projecting from the lateral side of each rib 320, 321 opposite from the middle rib 32.
  • the second set of curved portions of the web 34A each have a radius R 2 projecting from origins O 3 and O 4 .
  • a proposed bridge member 28A was analyzed having the material properties shown in Table 1 and constituents as shown in Table 2.
  • a finite element analysis employing COSMOS® software yielded stress values for the prophetic bridge member 28A as specified in Tables 1 and 2.
  • stress values ranged from about 8.29 x 10 ⁇ N/m 2 to about 7.33 x 10 8 N/m 2 and strain values ranging from about 1.61 x 10 "5 to about 5.20 x 10 "2 .
  • Higher stress concentrations were identified in the web portion in a region between the mid-portion of a section 36 and where the bridge member 28A "necks down" transverse to the axis Ax. Lower stress concentrations were estimated adjacent the collars 30.
  • a bridge plug assembly 20 is provided prior to insertion into a tubular 9.
  • the outer diameter of the bridge member 28A is about 6 inches and the length of the bridge member 28 A is about 15".
  • a torque T (FIG 8) applied to one of the collars 30 folds the bridge member 28A from the expanded bulbous configuration (FIG 4) to the insertion mode (FTG 6).
  • the outer diameter of a folded bridge member 28 is about 2 inches and the length of a folded bridge member 28 is about 15.5".
  • oppositely directed torques T could be applied to both collars 30.
  • a retaining force or torque may be applied to the bridge member 28 to maintain it in the insertion mode.
  • the material of the bridge member 28A is superelastic, so that the stress from torquing the bridge member 28A produces a phase change from an austenite structure (bridge member 28A) to a deformed martinsite structure (bridge member 28).
  • the material of the bridge member 28 material deforms up to about 6%, in another alternative embodiment, the material of the bridge member 28 deforms up to about 8%. In yet another alternative, the material of the bridge member 28 deforms up to about 10%.
  • the retaining force on the bridge member 28 can be removed to permit reversing the material phase change of the superelastic material thereby returning to the expanded bridge member 28A.
  • Optional embodiments involve the bridge member 28 experiencing a change in form, girth, circumference, length, or a combination thereof during transformation.
  • the applied torque can be increased to exert an increased preload to induce additional rotation of the bridge member and/or more axial movement of the bridge member.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

L'invention porte sur un ensemble de bouchon provisoire, ayant un élément souple en un alliage de nickel et de titane, qui peut subir une expansion sélectivement radiale de telle sorte que sa surface extérieure entre en prise, avec étanchéité, avec un tube qui l'entoure. L'élément souple peut comprendre un élément de type membrane annulaire ayant des bagues coaxiales sur les extrémités opposées de l'élément souple. Le pourcentage en poids de nickel peut aller jusqu'à environ 40 à environ 58 %, 55 %, ou jusqu'à environ 60 %.
PCT/US2010/032544 2009-04-27 2010-04-27 Nitinol dans le bouchon provisoire d'un tube WO2010129266A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/937,039 US20120273199A1 (en) 2009-04-27 2010-04-27 Nitinol Through Tubing Bridge Plug

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17302409P 2009-04-27 2009-04-27
US61/173,024 2009-04-27

Publications (2)

Publication Number Publication Date
WO2010129266A2 true WO2010129266A2 (fr) 2010-11-11
WO2010129266A3 WO2010129266A3 (fr) 2011-02-24

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PCT/US2010/032544 WO2010129266A2 (fr) 2009-04-27 2010-04-27 Nitinol dans le bouchon provisoire d'un tube

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US (1) US20120273199A1 (fr)
WO (1) WO2010129266A2 (fr)

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US8960314B2 (en) * 2012-03-27 2015-02-24 Baker Hughes Incorporated Shape memory seal assembly
CA2962071C (fr) 2015-07-24 2023-12-12 Team Oil Tools, Lp Outil de fond de trou a manchon extensible
US9976381B2 (en) 2015-07-24 2018-05-22 Team Oil Tools, Lp Downhole tool with an expandable sleeve
US10408012B2 (en) 2015-07-24 2019-09-10 Innovex Downhole Solutions, Inc. Downhole tool with an expandable sleeve
US10227842B2 (en) 2016-12-14 2019-03-12 Innovex Downhole Solutions, Inc. Friction-lock frac plug
US10989016B2 (en) 2018-08-30 2021-04-27 Innovex Downhole Solutions, Inc. Downhole tool with an expandable sleeve, grit material, and button inserts
US11125039B2 (en) 2018-11-09 2021-09-21 Innovex Downhole Solutions, Inc. Deformable downhole tool with dissolvable element and brittle protective layer
US11965391B2 (en) 2018-11-30 2024-04-23 Innovex Downhole Solutions, Inc. Downhole tool with sealing ring
US11396787B2 (en) 2019-02-11 2022-07-26 Innovex Downhole Solutions, Inc. Downhole tool with ball-in-place setting assembly and asymmetric sleeve
US11261683B2 (en) 2019-03-01 2022-03-01 Innovex Downhole Solutions, Inc. Downhole tool with sleeve and slip
US11203913B2 (en) 2019-03-15 2021-12-21 Innovex Downhole Solutions, Inc. Downhole tool and methods
US11572753B2 (en) 2020-02-18 2023-02-07 Innovex Downhole Solutions, Inc. Downhole tool with an acid pill

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US20120273199A1 (en) 2012-11-01
WO2010129266A3 (fr) 2011-02-24

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