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    • 专利摘要:
    method for performing wellbore maintenance, fluid flow control tool and method for recovering hydrocarbons from an underground formation a method for performing wellbore maintenance comprising providing a fluid diode in fluid communication with the borehole well and transfer a fluid through the fluid diode. a fluid flow control tool comprising a tubular diode sleeve comprising a diode aperture, a tubular inner aperture sleeve received concentrically within the diode sleeve, the inner aperture sleeve comprising an internal aperture in fluid communication with the aperture. diode and an outer tubular opening sleeve into which the diode sleeve is concentrically received, the outer opening sleeve comprising an outer aperture in fluid communication with the diode aperture, wherein a diode aperture shape, an aperture location internal to the diode aperture and a location of the external aperture to the diode aperture provides a fluid flow resistance to the fluid transferred to the internal aperture from the external aperture and a different fluid flow resistance to the fluid transferred to the external opening from the internal opening.
    公开号:BR112012013850B1
    申请号:R112012013850-2
    申请日:2010-12-06
    公开日:2019-07-02
    发明作者:Roger L. Schultz；Robert L. Pipkin；Travis W. Cavender
    申请人:Halliburton Energy Services, Inc；
    IPC主号:
    专利说明:

    “METHOD FOR PERFORMING MAINTENANCE IN A WELL HOLE, FLUID FLOW CONTROL TOOL AND METHOD FOR RECOVERING HYDROCARBONS FROM UNDERGROUND FORMATION
    Field of the invention [0001] This invention relates to well hole maintenance tools.
    Background of the invention [0002] Some well maintenance tools provide a plurality of fluid flow paths between the interior of the well hole maintenance tool and the well hole. However, fluid transfer through this plurality of fluid flow paths can occur in an undesirable and / or inhomogeneous manner. The variation in fluid transfer through the plurality of fluid flow paths can be attributed to variations in the fluid conditions of an associated hydrocarbon formation and / or can be attributed to the operational conditions of the well bore maintenance tool, such as a fluid flow path being unintentionally restricted by particulate matter.
    Summary of the invention [0003] Here is disclosed a method of maintaining a well hole comprising providing a fluid diode in fluid communication with the well hole and transferring a fluid through the fluid diode.
    [0004] Also disclosed here is a fluid flow control tool comprising a tubular diode sleeve comprising a diode opening, a sleeve with inner tubular opening received concentrically within the sleeve.
    Petition 870190033639, of 4/8/2019, p. 10/47
    2/26 diode, the inner opening sleeve comprising an inner opening in fluid communication with the diode opening and a tubular outer opening sleeve within which the diode sleeve is received concentrically, the outer opening sleeve comprising an outer opening in fluid communication with the diode opening, in which a diode opening shape, an internal opening location in relation to the diode opening and an external opening location in relation to the diode opening provide resistance to the flow of the fluid to the transferred fluid for the internal opening from the external opening and a different resistance to the flow of fluid to the fluid transferred to the external opening from the internal opening.
    [0005] A method of recovering hydrocarbons from an underground formation is also disclosed here, comprising injecting steam into a well bore that penetrates the underground formation, the vapor promoting a flow of hydrocarbons from the underground formation and receiving at least part of the flow of hydrocarbons, in which at least one to inject steam and receive the flow of hydrocarbons is controlled by a fluid diode.
    [0006] Also disclosed here is a fluid flow control tool for maintaining a well bore comprising a fluid diode comprising a low resistance input and a high resistance input, the fluid diode being configured to provide greater resistance to the fluid transferred to the low resistance inlet from the high resistance inlet at a fluid mass flow rate compared to the fluid
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    3/26 being transferred to the high resistance inlet from the low resistance inlet to the mass flow rate of fluid. The fluid flow control tool may further comprise a tubular diode sleeve comprising a diode opening, an interior opening sleeve received substantially concentrically within the diode sleeve, the interior opening sleeve comprising an interior opening, and a sleeve with outer opening substantially concentrated concentrically around the diode sleeve, the outer opening sleeve comprising an outer opening. The inner opening can be associated with the low resistance input and the outer opening can be associated with the high resistance input. The inner opening can be associated with the high resistance inlet and the outer opening can be associated with the low resistance inlet. The diode sleeve can be movable in relation to the inner opening sleeve so that the inner opening can be movable for association with the low resistance input and the diode sleeve can be movable in relation to the outer opening sleeve so that the outer opening can be movable for association with the high resistance inlet. The fluid diode can be configured to generate a fluid vortex when the fluid is transferred from the high resistance input to the low resistance input. The fluid flow control tool can be configured to transfer fluid between an internal hole in the fluid flow control tool and the well hole.
    Brief description of the drawings [0007] Figure 1 is an oblique sectional view of a
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    4/26 fluid flow control tool according to a development mode;
    [0008] Figure 2 is a partial cross-sectional view of the fluid flow control tool of figure 1 taken along the cutting plane A-A of figure 1;
    [0009] Figure 3 is a partial cross-sectional view of the fluid flow control tool of figure 1 taken along the cutting plane B-B of figure 1;
    [0010] Figure 4 is a partial cross-sectional view of a fluid flow control tool according to another embodiment of the disclosure;
    [0011] Figure 5 is another partial cross-sectional view of the fluid flow control tool of figure 4;
    [0012] Figure 6 is a simplified schematic view of a plurality of fluid flow control tools of Figure 1 connected together to form a part of a working column according to an embodiment of the disclosure; [0013] Figure 7 is a sectional view of a well bore maintenance system comprising a plurality of fluid flow control tools of Figure 1 and a plurality of fluid flow control tools of Figure 5;
    [0014] Figure 8 is an oblique view of a diode sleeve according to another embodiment of the disclosure;
    [0015] Figure 9 is an orthogonal view of a diode opening of the fluid flow control tool of figure 1 as placed on a planar surface;
    [0016] Figure 10 is an orthogonal view of a diode opening of the diode sleeve of Figure 8 as placed in a
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    5/26 planar surface;
    [0017] Figure 11 is an oblique view of a diode opening according to another embodiment of the disclosure;
    [0018] THE figure 12 is an View orthogonal in an opening diode in wake up still with another modality gives revelation; and [0019] THE figure 13 is an View orthogonal in an opening diode in wake up still with another modality gives revelation.
    Detailed description of the preferred modalities [0020] In the drawings and description that follow, similar parts are typically marked throughout the report and drawings with the same reference numerals, respectively. The drawing figures are not necessarily to scale. Certain features of the invention may be shown exaggerated in scale or in some way schematically and some details of conventional elements may not be shown for reasons of clarity and conciseness.
    [0021] Unless otherwise specified, any use of any form of the terms connect, "engage", "engage", "fix" or any other term that describes an interaction between elements is not intended to limit the interaction to direct the interaction between the elements and can also include indirect interaction between the elements described. In the following discussion and in the claims, the terms "including" and "comprising" are used in an open manner and, therefore, should be interpreted to mean including, among others
    Reference to up or down will be made for purposes of description with “top”, up ”, or upstream” meaning in the direction of the well hole surface and with “below”,
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    6/26 bottom, "down or" downstream meaning towards the terminal end of the well, regardless of the orientation of the well hole. The term "payment zone or" zone as used here refers to the well hole separate parts designated for treatment or production and can refer to a complete formation of hydrocarbons or separate parts of a single formation, such as horizontally spaced and / or vertically from the same formation.
    [0022] As used here, the term “zonal isolation tool will be used to identify any type of operable actuable device to control the flow of fluids or isolate pressure zones within a well bore including, among others, a bridge plug, a fracture buffer and a packer. The term zonal isolation tool can be used to refer to a permanent device or a recoverable device.
    [0023] As used here, the term “bridge plug will be used to identify a tool within the well that can be located and adjusted to isolate a lower part of the well hole below the tool within the well from an upper part above the tool within from the well. The term bridge plug can be used to refer to a permanent device or a recoverable device.
    [0024] As used here, the terms "seal," seal, "seal hitch or" hydraulic seal are intended to include a "perfect seal and an" imperfect seal. A “perfect seal can refer to a flow restriction (seal) that prevents all fluid flow through or through the flow restriction and forces all the fluid to be
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    7/26 redirected or interrupted. An “imperfect seal can refer to a flow restriction (seal) that substantially prevents fluid flow through or through the flow restriction and forces a substantial part of the fluid to be redirected or interrupted.
    [0025] The various characteristics mentioned above, as well as other particularities and characteristics described in more detail below, will be readily apparent to those skilled in the art with the aid of this disclosure by reading the following detailed description of the modalities and referring to the attached drawings .
    [002 6] Figure 1 is an oblique view of a fluid flow control tool 100 according to an embodiment of the disclosure. As explained below, it will be appreciated that one or more components of tool 100 may be substantially coaxial with a central axis 102. Tool 100 generally comprises four substantially coaxially aligned and / or substantially concentric cylindrical tubes explained in more detail below. Listed in order located externally successively radially, tool 100 comprises a sleeve with innermost inner opening 104, a diode sleeve 106, a sleeve with outer opening 108 and an outermost perforated liner 110. The various components of tool 100 shown in figure 1 are illustrated in varying degrees of longitudinal length shortened to provide a clearer view of its features. More specifically, although not shown as such in figure 1, in some embodiments, each of the inner opening sleeve 104, the diode sleeve 106, the outer opening sleeve 108 and the perforated outer liner 110 can
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    8/26 be substantially similar in longitudinal length. Tool 100 further comprises a plurality of fluid diodes 112 which are configured to provide a fluid path between an inner hole 114 of tool 100 and a substantially annular fluid clearance space 116 between the outer opening sleeve 108 and the outer liner perforated 110. The inner opening sleeve 104 comprises a plurality of inner openings 118 and the outer opening sleeve 108 comprises a plurality of outer openings 120. The diode sleeve 106 comprises a plurality of diode openings 122. The various interior openings 118 , outer openings 120 and diode openings 122 are positioned so that each diode opening 122 can be associated with an inner opening 118 and an outer opening 120.
    [0027] Furthermore, each opening of diode 122 comprises a input from high resistance 124 is input in low resistance 126. However, terms input in high resistance 124 and low entry resistance 126 no should be interpreted as meaning that the fluid can only
    enter a diode opening 122 through inputs 124, 126. Instead, the term high-resistance input 124 should be interpreted as indicating that a diode opening 122 comprises geometry that contributes to greater resistance to fluid transfer through of the fluid diode 112 when the fluid enters through the high resistance inlet 124 and exits through the low resistance inlet 126, in comparison with a resistance to fluid transfer through the fluid diode 112 when the fluid enters through the low resistance inlet 126 and exits through the
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    9/26 high strength input 124. Tool 100 is shown in figures 1 to 4 as being configured so that the inner openings 118 are associated with the low strength inputs 126, while the outer openings 120 are associated with high strength inputs. resistance 124. In other words, with tool 100 configured as shown in figures 1 to 4, the flow of fluid from the fluid clearance space 116 to bore 114 through fluid diodes 112 is affected by increased resistance to such fluid, compared to the flow of fluid from bore 114 to the fluid clearance space 116 through fluid diodes 112. In this embodiment of tool 100, diode openings 122 are configured to provide resistance to transfer of fluid dependent on the flow direction described above causing the fluid to travel through a vortex path before exiting the diode opening 122 through the inlet low resistance 126. However, in alternative embodiments, the diode openings 122 can comprise any other suitable geometry to provide a fluid diode effect in the fluid transferred through the fluid diodes 112.
    [0028] With reference now to figures 2 and 3, partial cross-sectional views of the tool 100 of figure 1 are shown. Figure 2 shows a partial cross-sectional view, taken along the cutting plane AA of figure 1 while figure 3 shows a partial cross-sectional view, taken along the cutting plane BB of figure 1. Figure 2 shows that a fluid path exists between a space outside the perforated outer liner 110 and the space defined by a diode opening 122. More specifically,
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    10/26 a slot 128 of the perforated outer liner 110 joins the outer space with the outer perforated liner 110 to a space defined by the outer opening 120. However, in alternative embodiments, a perforated liner 110 may comprise perforated holes, a combination of holes and slots 128 and / or any other suitable openings. It will be appreciated that the perforated liner 110 may alternatively comprise characteristics of any other grooved liner, sieve liner and / or perforated liner. In this embodiment, the external opening 120 is in fluid communication with the space defined by the high resistance input 124 of the diode opening 122. Figure 3 shows that the space defined by the low resistance input 126 of the diode opening 122 is in fluid communication with the space defined by the inner opening 118. The inner opening 118 is in fluid communication with the orifice 114, thereby completing a fluid passage between the outer space to the outer perforated liner 110 and the orifice 114. It will be appreciated that the opening diode 122 can delimit a space that follows a generally concentric orbit around the central axis 102. In some embodiments, fluid transfer through fluid diode 112 may encounter resistance at least partially attributable to changes in the direction of the fluid as the fluid orbits around the central axis 102. The configuration of tool 100 shown in figures 2 and 3 can be referred to as an “inflow control configuration since fluid diode 112 is configured to more strongly resist the transfer of fluid to orifice 114 through fluid diode 112 than the transfer of fluid out of the orifice 114
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    11/26 through fluid diode 112.
    [0029] With reference now to figures 4 and 5, partial cross-sectional views of tool 100 in figure 1 are shown with tool 100 in an alternative configuration. More specifically, although tool 100 as configured in figure 1 provides greater resistance to fluid transfer from fluid gap clearance 116 to orifice 114, tool 100 'of figures 4 and 5 is configured in reverse. In other words, tool 100 'as shown in figures 4 and 5 is configured to provide greater resistance to fluid transfer from orifice 114 to fluid clearance space 116. Figure 4 shows that a fluid path exists between a space outer hole for outer perforated liner 110 and the space defined by a diode opening 122. More specifically, a slot 128 of outer perforated liner 110 joins the outer space with outer perforated liner 110 to a space defined by outer opening 120. In this embodiment, configuration, the outer opening 120 is in fluid communication with the space defined by the low resistance input 126 of the diode opening 122. Figure 5 shows that the space defined by the high resistance input 124 of the diode opening 122 is in fluid communication with the space defined by the inner opening 118. The inner opening 118 is in fluid communication with the orifice 114, thus completing o a fluid path between the outer space of the outer perforated liner 110 and the orifice 114. Thus, the configuration shown in figures 4 and 5 can be referred to as an “outflow control configuration since the fluid diode 112 is configured
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    12/26 to more strongly resist fluid transfer out of orifice 114 through fluid diode 112 than fluid transfer to orifice 114 through fluid diode 112.
    [0030] With reference now to figure 6, a simplified representation of two tools 100 joined together is shown. It will be appreciated that, in some embodiments, the tools 100 may comprise connectors 130 configured to join the tools 100 with each other and / or with other components of a well bore column. In this embodiment, it will be appreciated that the tools 100 are configured so that by joining the two tools 100 together as shown in figure 4, the holes 114 are in fluid communication with each other. However, in this embodiment, seals and / or other appropriate features are provided to segregate fluid clearance spaces 116 from adjacent and connected tools 100. In alternative embodiments, tools 100 can be joined together by piping, work column elements, or any other appropriate device for connecting the tools 100 in fluid communication.
    [0031] Referring now to figure 7, a well bore maintenance system 200 is shown as configured to produce and / or recover hydrocarbons using a vapor assisted gravity drain (SAGD) method. System 200 comprises an injection service probe 202 (for example, a drilling probe, a completion probe or reconditioning probe) that is positioned on the Earth's surface 204 and extends over and around an injection well bore 206 that penetrates an underground formation 208. Although a service probe
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    13/26 injection 202 is shown in figure 7, in some embodiments, a maintenance probe 202 may not be present, but on the other hand, a standard surface wellhead completion (or subsurface wellhead completion in some modalities) can be associated with system 200. The injection well bore 206 can be drilled for underground formation 208 using any appropriate drilling technique. The injection well hole 206 extends substantially vertically away from the earth surface 204 through a vertical injection well hole portion 210, deviates from the vertical with respect to the earth surface 204 through a well hole portion of bypass injection 212 and transits to a horizontal injection well hole part 214.
    [0032] System 200 further comprises an extraction service probe 216 (for example, a drilling probe, a completion probe or reconditioning probe) that is positioned on the Earth's surface 204 and extends through and around a hole injection well 218 that penetrates underground formation 208. Although an extraction service tower 216 is shown in figure 7, in some embodiments, a maintenance probe 216 may not be present, but on the other hand, a head completion standard surface well (or subsurface wellhead completion in some embodiments) can be associated with system 200. Extraction well hole 218 can be drilled for underground formation 208 using any appropriate drilling technique. The extraction well hole 218 extends substantially vertically out of the surface of the earth 204 through a part of the well hole
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    14/26 of vertical extraction 220, deviates from the vertical relative to the surface of the earth 204 through a part of bypassed extraction well 222, and transits to a horizontal part of extraction well hole 224. A portion of the part of horizontal extraction well bore 224 is located directly below and offset from the horizontal part of injection well bore 214. In some embodiments, parts 214, 224 can generally be vertically displaced by about five meters.
    [0033] The system 200 further comprises an injection work column 226 (e.g., production column / piping) comprising a plurality of tools 100 'each configured in an outflow control configuration. Likewise, system 200 comprises an extraction work column 228 (e.g., production column / piping) comprising a plurality of tools 100 each configured in an inflow control configuration. It will be appreciated that the annular zonal insulation devices 230 can be used to isolate annular spaces from the injection well hole 206 associated with the tools 100 'from each other within the injection well hole 206. Likewise, the zonal insulation devices
    cancel 230 can to be used to isolate spaces annular extraction well 218 associated with tools 100 in between itself inside the hole in well of extraction 218. [0034] Although O system 200 is described above how comprising two holes well separated 206, 218, alternative modalities can to be configured
    differently. For example, in some embodiments working columns 226, 228 can both be located in
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    15/26 a single well hole. Alternatively, the vertical parts of the working columns 226, 228 can both be located in a common well hole, but each can extend to different offset and / or horizontal parts of the common well hole. Alternatively, the vertical parts of the working columns 226, 228 can be located in separate vertical parts of the well hole, but both can be located in a shared horizontal part of the well hole. In each of the modalities described above, tools 100 and 100 'can be used in combination and / or separately to deliver fluids to the well hole with an outflow control configuration and / or to recover fluids from the well hole with an inflow control setting. Still, in alternative modalities, any combination of tools 100 and 100 'can be located inside a shared well hole and / or among a plurality of well holes and tools 100 and 100' can be associated with different isolated ring spaces and / or shared well holes, the annular spaces, in some modalities, being at least partially defined by one or more zonal isolation devices 230.
    [0035] In operation, steam can be forced into the injection work column 226 and passed from tools 100 'to formation 208. Introducing steam into formation 208 can reduce the viscosity of some hydrocarbons affected by the injected steam, thereby allowing that gravity pulls the affected hydrocarbons down and into the extraction well hole 218. The extraction work column 228 can be forced to maintain an internal well pressure (for example,
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    16/26 example, a differential pressure) which tends to extract the affected hydrocarbons in the extraction work column 228 using tools 100. The hydrocarbons can then be pumped out of the extraction well bore 218 and into a device hydrocarbon storage and / or hydrocarbon release system (ie, piping). It will be appreciated that the holes 114 of the tools 100, 100 'can form parts of the internal holes of the extraction work column 228 and the injection work column 226, respectively. In addition, it will be appreciated that fluid transfer into and / or out of tools 100, 100 'can be considered to have been passed into and / or out of extraction well 218 and injection well bore 206, respectively. Thus, the present disclosure contemplates transferring fluids between a well bore and a working column associated with the well bore through a fluid diode. In some embodiments, the fluid diodes form a part of the working column and / or a working column tool.
    [0036] It will be appreciated that in some embodiments, a fluid diode can selectively provide fluid flow control so that resistance to fluid flow increases when a maximum fluid mass flow rate of the fluid diode is approached. The fluid diodes disclosed here can provide linear and / or non-linear resistance curves with respect to fluid mass flow rates through them. For example, a resistance to fluid flow can increase exponentially in response to a substantially linear increase in the mass flow rate of
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    17/26 fluid through a fluid diode. It will be appreciated that such resistance to fluid flow can encourage a more homogeneous mass flow rate distribution among multiple fluid diodes from a single fluid flow control tool 100, 100 '. For example, as the fluid mass flow rate through a tool's first fluid diode increases, resistance to other increases in the fluid mass flow rate through a tool's first fluid diode may increase, thereby form by promoting flow through a second fluid diode of the tool which may otherwise have continued to experience a lower fluid mass flow rate through it.
    [0037] It will be appreciated that any of the internal openings 118, external openings 120, diode openings 122 and slits 128 can be laser cut into metal tubes to form the features disclosed here. In addition, a relatively tight fit ratio between the diode sleeve 10 6 and each of the sleeve with inner opening 104 and sleeve with outer opening 108 can be achieved through a close control of tube diameter tolerances, resin coatings and / or epoxy applied to the components and / or any other appropriate method. In some embodiments, mounting the diode sleeve 106 on the inner opening sleeve 104 can be achieved by heating the diode sleeve 106 and cooling the inner opening sleeve 104. Heating the diode sleeve 106 can evenly extend the diode sleeve 106 while cooling the inner opening glove 104 can evenly shrink the inner opening glove 104. In these enlarged and shrunk states, a tolerance of
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    18/26 mounting can be provided that is greater than the mounted tolerance, thereby making insertion of the inner opening sleeve 104 into diode sleeve 106 easier. A similar process can be used to mount the diode sleeve 106 within the outer opening sleeve 108, but with the diode sleeve 106 being cooled and the outer opening sleeve being heated.
    [0038] In alternative embodiments, the diode sleeve 106 can be movable relative to the sleeve with inner opening 104 and the sleeve with outer opening 108 to allow for selective reconfiguration of a fluid flow control tool 100 for a control configuration of inflow from an outflow control configuration and / or from an outflow control configuration to an inflow control configuration. For example, tools 100, 100 'can be configured for such reconfiguration in response to longitudinal movement of the diode sleeve 106 with respect to the inner opening sleeve 104 and the outer opening sleeve 108, rotation of the diode sleeve 106 with respect to inner opening sleeve 104 and outer opening sleeve 108, or a combination thereof. In other alternative embodiments, a fluid flow control tool may comprise more or less fluid diodes, the fluid diodes may be closer together or further apart, the various fluid diodes in a single tool may provide a A variety of maximum fluid flow rates and / or a single tool can comprise a combination of diodes configured for inflow control and other fluid diodes configured for output flow control.
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    19/26 [0039] It will further be appreciated that the fluid flow paths associated with the fluid diodes can be configured to maintain a maximum cross-sectional area to prevent obstruction due to particulate material. Thus, fluid diodes can provide flow control functionality without unduly increasing the likelihood of flow path obstruction. In this disclosure, it will be appreciated that the term "fluid diode can be distinguished from a simple check valve. In particular, the fluid diodes 112 of the present disclosure may not absolutely prevent fluid flow in a particular direction, but instead, may be configured to provide variable resistance to fluid flow through the fluid diodes, depending on the fluid flow direction. . Fluid diode 112 can be configured to allow fluid flow from a high resistance input 124 to a low resistance input 126 while still being configured to allow fluid flow from a low resistance input 126 to a high resistance input 124. Of course, the direction of fluid flow through a fluid diode 112 may depend on the operating conditions associated with using the fluid diode 112.
    [0040] With reference now to figure 8, an alternative embodiment of a diode sleeve 300 is shown. The diode sleeve 300 comprises diode openings 302, each comprising a high strength input and a low strength input. It will be appreciated that the systems and methods disclosed above with respect to the use of inner opening gloves 104, outer opening gloves 108 and outer perforated liner 110 can be used to
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    20/26 selectively configuring a tool comprising diode sleeve 300 to provide selected directional fluid transfer resistance between holes 114 and fluid clearance spaces 116. In this embodiment, diode openings 302 substantially surround concentrically around the central axis 102 In this embodiment, a fluid flow generally in the direction of arrows 304 encounters greater resistance than a substantially similar fluid flow in the opposite direction would encounter. Of course, other alternative modes of diode gloves and diode openings may comprise different shapes and / or orientations. [0041] Referring now to figure 9, an orthogonal view of the shape of the diode opening 122 as arranged flat on a planar surface is shown.
    [0042] Referring now to figure 10, an orthogonal view of the shape of the diode opening 302 as laid flat on a planar surface is shown.
    [0043] With reference now to figure 11, an orthogonal view of a diode opening 400 is shown. The diode opening 400 is generally configured so that the movement of fluid in a reverse direction 402 experiences greater resistance to flow than the movement of fluid in a direct direction 404. It will be appreciated that the geometry of the internal flow obstruction 406 contributes to the directional differences described above in fluid flow resistance.
    [0044] Referring now to figure 12, an orthogonal view of a diode opening 500 is shown. The diode aperture 500 is generally configured so that the movement of fluid in a reverse direction 502 experiences greater
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    21/26 resistance to flow than fluid movement in a direct direction 504. Diode opening 500 is configured for use with island type 506 obstructions that interfere with fluid flow through diode opening 500. Obstructions 506 can be attached to or formed integrally with one or more of an inner opening sleeve 104, a diode sleeve 106 and / or an outer opening sleeve 108. In some embodiments, obstructions 506 may be welded or otherwise joined to the sleeve with interior opening 104.
    [0045] With reference now to figure 13, an orthogonal view of a diode opening 600 is shown. Diode opening 600 is generally configured so that fluid movement in a reverse direction 602 experiences greater resistance to flow than fluid movement in a direct direction 604. Diode opening 600 is configured for use with island-type obstructions 606 that interfere with the flow of fluid through the diode opening 600. The obstructions 606 may be attached to or formed integrally with one or more of an inner opening sleeve 104, a diode sleeve 106 and / or an outer opening sleeve 108. In some embodiments, obstructions 606 may be welded or otherwise joined to the inner opening sleeve 104.
    [0046] At least one modality is revealed and variations, combinations and / or modifications of the modality (s) and / or characteristics of the modality (s) made by a person of ordinary skill in the technique are within the scope of revelation. Alternative modalities result from the combination, integration and / or omission of characteristics of the
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    22/26 modality (s) are still within the scope of the disclosure. Where ranges or numerical limits are expressly stated, such ranges or expressed limitations should be understood to include iterative ranges or limitations of similar magnitude falling within the ranges or limitations expressly stated (for example, from about 1 to about 10 includes, 2, 3, 4, etc .; greater than 0.10 includes 0.11, 0.12, 0.13, etc.). For example, whenever a numerical range with a lower limit, R1, and an upper limit, Ru, is revealed, any number falling within the range is specifically revealed. In particular, the following numbers within the range are specifically revealed: R = R l + k * (R u -R l ), where k is a variable ranging from 1 percent to 100 percent with a 1 percent increase , that is, k is 1 percent, 2 percent, 3 percent, 4 percent, 5 percent, 50 percent, 51 percent, 52 percent, 95 percent, 96 percent, 97 percent, 98 percent, 99 percent, or 100 percent. In addition, any numerical range defined by two R numbers as defined above is still specifically revealed. The use of the term optionally with respect to any element of a claim means that the element is required, or alternatively, the element is not required, both alternatives being within the scope of the claim. The use of broader terms as it comprises, includes and has to be understood to provide support for narrower terms, such as consisting of, consisting essentially of and substantially comprising. Thus, the scope of protection is not limited by the description defined above, but is defined by the following claims, this scope including all equivalents of the subject matter of the
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    23/26 claims. Any and all claims are incorporated when further disclosure in the report and claims are embodiments of the present invention. The discussion of a reference in the disclosure is not an admission that this is the prior art, especially any reference that has a publication date after the priority date of this application. The disclosure of all patents, patent applications and publications mentioned in the disclosure is hereby incorporated by reference in its entirety.
    Reference is also made to the following specific modalities:
    A method of performing maintenance on a well bore, comprising:
    provide a fluid diode in fluid communication with the well bore; and transferring a fluid through the fluid diode.
    2. The method of mode 1, in which the fluid diode is disposed inside the well bore.
    3. Method 1 or 2 method, wherein the transfer comprises removing fluid from the well bore.
    4. The method of modality 3, in which the fluid comprises hydrocarbons produced from the formation of hydrocarbons with which the well bore is associated.
    5. Method 1 or 2, in which the transfer comprises supplying the fluid to the well bore.
    6. Method 5, in which the fluid comprises steam.
    7. The method according to any previous modality, in which the fluid diode provides a non-linearly increasing resistance to transfer in response to a linear increase
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    24/26 at a fluid mass flow rate of the fluid through the fluid diode.
    8. The method according to any previous modality, in which the fluid diode is still in fluid communication with an internal orifice of a working column.
    9. A fluid flow control tool, comprising:
    a tubular diode sleeve comprising a diode opening;
    a tubular sleeve with an inner opening received concentrically within the diode sleeve, the sleeve with an inner opening comprising an inner opening in fluid communication with the diode opening; and a tubular sleeve with an external opening within which the diode sleeve is received concentrically, the sleeve with an external opening comprising an external opening in fluid communication with the diode opening;
    wherein a shape of a diode opening, a location of the internal opening in relation to a diode opening, and a location of the external opening in relation to the diode opening provides resistance to the flow of fluid to fluid transferred to the internal opening from of the external opening and a different fluid flow resistance to the fluid transferred to the external opening from the internal opening.
    10. The mode 9 flow control tool, in which the diode opening to provide a vortex diode.
    11. The 9 or 10 mode flow control tool, still comprising one of the fluid is configured as perforated liner fluid
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    25/26 within which the sleeve with an external opening is concentrically received so that a gap of fluid is maintained between the perforated liner and the sleeve with an external opening.
    12. The 9, 10, or 11 fluid flow control tool, where a fluid flow resistance varies nonlinearly in response to a linear variation in a fluid mass flow rate of the fluid transferred between the inner opening and outer opening.
    13. A method of recovering hydrocarbons from an underground formation, comprising:
    inject steam into a borehole that penetrates the underground formation, the steam promoting a flow of hydrocarbons from the underground formation; and receiving at least a portion of the hydrocarbon flow; wherein at least one of the steam injection and reception of the hydrocarbon flow is controlled by a fluid diode.
    14. The method of modality 13, in which receiving the flow of hydrocarbons is at least partially assisted by gravity.
    15. The 13 or 14 modality method, in which steam is injected at a higher location within the formation than a location where the flow of hydrocarbons is received.
    16. The 13 or 14 modality method, in which steam is injected into a first part of the well hole while the hydrocarbon flow is received from a second part of the well hole.
    17. The method gives modality 16, in what the first part of well hole and the second part of well bore are vertically diverted between itself. 18. The method gives modality 16, in what the first part of
    Petition 870190033639, of 4/8/2019, p. 34/47
    26/26 wellbore and the second wellbore part are both horizontal wellbore parts that are both associated with a shared vertical wellbore part.
    19. The 13, 14, 15, 16, 17, or 18 modality method, in which steam is injected through a fluid diode having an outflow control configuration while the hydrocarbon flow is received through a fluid diode having an inflow control configuration.
    20. The method of mode 19, wherein at least one of the fluid diodes is associated with an annular space isolated from the well bore which is at least partially defined by a zonal isolation device.
    权利要求:
    Claims (20)
    [1]
    1. Method for performing maintenance on a well hole, characterized by the fact that it comprises:
    - providing a fluid diode (112) in fluid communication with the well bore; and
    - transfer a fluid through the fluid diode (112).
    [2]
    2. Method according to claim 1, characterized in that the fluid diode (112) is disposed within the well bore.
    [3]
    Method according to claim 1 or 2, characterized in that the transfer comprises removing the fluid from the well bore.
    [4]
    4. Method according to claim 3, characterized in that the fluid comprises hydrocarbons produced from a hydrocarbon formation with which the well bore is associated.
    [5]
    5. Method according to claim 1 or 2, characterized in that the transfer comprises supplying the fluid to the well bore.
    [6]
    6. Method according to claim 5, characterized in that the fluid comprises steam.
    [7]
    Method according to any one of claims 1 to 6, characterized in that the fluid diode (112) provides a non-linearly increasing resistance to transfer in response to a linear increase in a fluid mass flow rate of the fluid through the fluid diode (112).
    [8]
    Method according to any one of claims 1 to 7, characterized in that the fluid diode (112) is still in fluid communication with an internal orifice of
    Petition 870190033639, of 4/8/2019, p. 36/47
    2/4 a working column.
    [9]
    9. Fluid flow control tool, characterized by the fact that it comprises:
    - a tubular diode sleeve (106) comprising a diode opening (122);
    - a sleeve with a tubular inner opening (104) received concentrically within the diode sleeve (106), the inner opening sleeve (104) comprising an internal opening (118) in fluid communication with the diode opening (122); and
    - a sleeve with an external tubular opening (108) with an opening into which the diode sleeve (106) is received concentrically, the sleeve with an external opening (108) comprising an external opening (120) in fluid communication with the diode opening ( 122); and the shape of the diode opening (122), the location of the internal opening (118) in relation to the diode opening (122), and the location of the external opening (108) in relation to the diode opening (122) provides a resistance to the flow of fluid to the fluid transferred to the internal opening (118) from the external opening (108) and a resistance to the flow of fluid different from the fluid transferred to the external opening (108) from the internal opening (118).
    [10]
    10. Fluid flow control tool according to claim 9, characterized in that the diode opening (122) is configured to provide a vortex diode.
    [11]
    11. Fluid flow control tool according to claim 9 or 10, characterized in that it also comprises a perforated liner (110) within which the sleeve with an external opening (108) is concentrically received from
    Petition 870190033639, of 4/8/2019, p. 37/47
    3/4 so that a gap in fluid gap (116) is maintained between the perforated liner (110) and the sleeve with external opening (108).
    [12]
    Fluid flow control tool according to claim 9, 10, or 11, characterized in that a fluid flow resistance varies nonlinearly in response to a linear variation in a fluid mass flow rate of fluid transferred between the inner opening (118) and the outer opening (120).
    [13]
    13. Method for recovering hydrocarbons from an underground formation, characterized by the fact that it comprises:
    - inject steam into a well hole that penetrates the underground formation (208), the steam promoting a flow of hydrocarbons from the underground formation (208); and
    - receiving at least part of the hydrocarbon flow; at least one of which inject steam and receive the flow of hydrocarbons is controlled by a fluid diode (112).
    [14]
    14. Method, according to claim 13, characterized in that the hydrocarbon flow receipt is at least partially assisted by gravity.
    [15]
    15. Method according to claim 13 or 14, characterized in that the steam is injected at a higher location within the formation (208) than a location at which the hydrocarbon flow is received.
    [16]
    16. Method according to claim 13 or 14, characterized in that the steam is injected into a first part of the well hole while the hydrocarbon flow is received from a second part of the well hole.
    [17]
    17. Method according to claim 16, characterized
    Petition 870190033639, of 4/8/2019, p. 38/47
    4/4 due to the fact that the first part of the well hole and the second part of the well hole are vertically offset from each other.
    [18]
    18. Method according to claim 16, characterized in that the first part of the borehole and the second part of the borehole are both horizontal borehole parts which are both associated with a vertical borehole part shared.
    [19]
    19. Method according to claim 13, 14, 15, 16, 17 or 18, characterized in that the steam is injected through a fluid diode (112) having an output flow control configuration while the flow of hydrocarbons is received through a fluid diode (112) having an inflow control configuration.
    [20]
    20. Method according to claim 19, characterized in that at least one of the fluid diodes (112) is associated with an annular space isolated from the well bore which is at least partially defined by a zonal isolation device.
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    同族专利:
    公开号 | 公开日
    RU2012122630A|2014-01-20|
    CN102725478B|2015-01-28|
    DK2510187T3|2014-01-27|
    EP2510187A2|2012-10-17|
    BR112012013850A2|2016-05-10|
    US8291976B2|2012-10-23|
    CO6501126A2|2012-08-15|
    WO2011071830A3|2011-12-01|
    US20110139453A1|2011-06-16|
    ECSP12011960A|2012-07-31|
    MY168716A|2018-11-29|
    WO2011071830A2|2011-06-16|
    CA2782343A1|2011-06-16|
    CN102725478A|2012-10-10|
    AU2010328400B2|2016-05-12|
    AU2010328400A1|2012-06-21|
    MX2012006575A|2012-06-28|
    RU2529316C2|2014-09-27|
    EP2510187B1|2013-10-23|
    SG181544A1|2012-07-30|
    CA2782343C|2015-01-27|
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    法律状态:
    2019-01-08| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-02-05| B06T| Formal requirements before examination [chapter 6.20 patent gazette]|
    2019-06-04| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2019-07-02| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 06/12/2010, OBSERVADAS AS CONDICOES LEGAIS. (CO) 20 (VINTE) ANOS CONTADOS A PARTIR DE 06/12/2010, OBSERVADAS AS CONDICOES LEGAIS |
    优先权:
    申请号 | 申请日 | 专利标题
    US12/635,612|US8291976B2|2009-12-10|2009-12-10|Fluid flow control device|
    US12/635612|2009-12-10|
    PCT/US2010/059121|WO2011071830A2|2009-12-10|2010-12-06|Fluid flow control device|
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