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    • 专利摘要:
    WELL HOLE JOINT ASSEMBLY A method of installing a well hole junction assembly in a well may include connecting at least two tubular columns at an opposite end of a tubular column connector with similarly sized oriented connections, through than tubular columns are interchangeably connectable to the connector by oriented connections. A well hole junction assembly can include at least two tubular columns and a tubular column connector with opposite ends. Each of the tubular columns can be secured at an opposite end of the connector by oriented connections, whereby each of the tubular columns has a fixed rotational orientation with respect to the connector. A well system can include a tubular column connector, each of the first and second tubular columns being attached to the connector, and a support that reduces the folding of the second tubular column that results from the deflection of the second tubular column of a borehole section to another borehole section.
    公开号:BR112013030903B1
    申请号:R112013030903-2
    申请日:2012-05-18
    公开日:2021-01-19
    发明作者:David J. Steele；Jean-Michel RANJEVA
    申请人:Halliburton Energy Services, Inc；
    IPC主号:
    专利说明:

    TECHNICAL FIELD
    [001] This description relates in general to equipment used and operations carried out in conjunction with an underground well and, in an example described below, more particularly it provides a variably configurable joint set for a derived well hole. FUNDAMENTALS
    [002] A junction well hole allows connectivity to a derived or multilateral well hole. Such connectivity may include fluid communication and / or sealed access between certain well bore sections.
    [003] Unfortunately, a typical well-hole junction configuration (for example, fluid communication and / or sealed access between certain well-hole sections) cannot be altered to suit particular well circumstances. Therefore, it is clear that improvements would be beneficial in the technique of configuring well hole junction assemblies. SUMMARY
    [004] In the following description, apparatus and methods are provided that provide improvements in the technique of configuring well hole junction assemblies. An example is described below in which a well-hole junction assembly can be selectively configured to allow access to one or another of multiple tubular columns connected to a connector. Another example is described below in which oriented connections are used to interchangeably connect the tubular columns in the connector.
    [005] In one aspect, the following description describes a method of installing a well hole joint assembly in a well. The method may include connecting at least two tubular columns at an opposite end of a tubular column connector with similarly sized oriented connections, whereby the tubular columns are interchangeably connectable to the connector with the oriented connections.
    [006] In another aspect, this description provides the technique with a well hole junction set. The assembly may include at least two tubular columns and a tubular column connector with opposite ends. Each of the tubular columns can be secured at an opposite end of the connector by oriented connections, whereby each of the tubular columns has a fixed rotational orientation with respect to the connector.
    [007] In yet another aspect, a well system described below may include a tubular column connector, multiple tubular columns attached to the connector, and a bracket that reduces folding of one of the tubular columns resulting from deflection of the column from tubular from one well-hole section to another well-hole section.
    [008] In a further aspect, a well system is provided to the technique which may include a tubular column connector with opposite first and second ends, first and second tubular columns attached to the first opposite end, the first and second columns of tubulars being arranged in separate intercepting borehole sections, third and fourth tubular columns attached to the opposite opposite end, the fourth tubular column being disposed within the third tubular column, a first flow control device that selectively allows and prevents fluid flow through a longitudinal flow passage of the third tube column, and a second flow control device that selectively allows and prevents fluid flow through a longitudinal flow passage of the fourth tube column.
    [009] These and other features, advantages and benefits will become apparent to those skilled in the art upon careful consideration of the detailed description of representative examples below and the accompanying drawings, in which similar elements are indicated in the various FIGS. using the same reference numbers. BRIEF DESCRIPTION OF THE DRAWINGS
    [0010] FIG. 1 is a partial cross-sectional view representative of a well system and associated method that can incorporate the principles of this description.
    [0011] FIG. 2 is a partial cross-sectional view representative of a well-hole junction assembly that can be used in the system and method of FIG. 1, and that can incorporate the principles of this description.
    [0012] FIG. 3 is a cross-sectional view representative of a tubular column connector that can be used in the well-hole junction assembly of FIG. 2, and that can incorporate the principles of this description.
    [0013] FIGS. 4A-G are detailed cross-sectional views representative of axial sections of the well-hole junction assembly.
    [0014] FIGS. 5A-E are detailed cross-sectional views representative of the well-hole junction assembly installed in a derived well-hole.
    [0015] FIG. 6 is a base end view representative of the tubular column connector.
    [0016] FIG. 7 is a base end view representative of another configuration of the tubular column connector.
    [0017] FIG. 8 is an isometric view representative of another configuration of the well-hole junction assembly.
    [0018] FIG. 9 is a representative side view of a tubular column support of the well bore junction assembly.
    [0019] FIG. 10 is a side view representative of another configuration of the tubular column support.
    [0020] FIG. 11 is an isometric view representative of yet another configuration of the tubular column support.
    [0021] FIG. 12 is a partial cross-sectional view representative of the well hole junction assembly being installed in the well system 10.
    [0022] FIGS. 13A and B are cross-sectional views representative of a flow control device for the well-hole junction assembly in closed and open configurations.
    [0023] FIGS. 14A and B are cross-sectional views representative of another flow control device of the well-hole junction assembly in closed and open configurations. DETAILED DESCRIPTION
    [0024] Representatively illustrated in FIG. 1 are a well 10 system and associated method that can incorporate the principles of this description. In the well 10 system, a well 12 junction bore is formed at an intersection of three well bore sections 14, 16, 18.
    [0025] In this example, well hole sections 14, 16 are part of a “parent” or main well hole, and well hole section 18 is a “side” or derived well hole extending to out of the main well bore. In other examples, well hole sections 14, 18 could form a main well hole, and well hole section 16 could be a derived well hole. In additional examples, more than three well-hole sections could intersect at the well-hole junction 12, the well-hole sections 16, 18 could both be derived from the well-hole section 14, etc. Thus, it should be understood that the principles of this description are not absolutely limited to the particular configuration of the well 10 system and well bore junction 12 shown in FIG. 1 and described herein.
    [0026] In an exclusive feature of the well 10 system, a well hole junction assembly 20 is installed in the well hole sections 14, 16, 18 to allow fluid communication and controlled access between the well hole sections. Assembly 20 includes a tubular column connector 22, tubular columns 24, 26 attached to one end 28 of the connector, and a tubular column 30 attached to an opposite end 32 of the connector.
    [0027] In this example, the connector 22 allows sealed fluid communication between the tubular column 30 and each of the tubular columns 24, 26. Furthermore, physical access is provided through the connector 22 between the tubular column 30 and a of tubular columns 24, 26. The tubular column 24 or 26 to which access is provided is determined by connecting the tubular columns to certain respective of the oriented connections, as described in more detail below.
    [0028] Such access may allow a well tool 34 (such as a displacement tool, descent tool, recovery tool, etc.) to be transferred through connector 22 and to one of the tubular columns 24, 26, by For example, to operate a valve or other flow control device 36 that controls flow longitudinally through a column of tubulars 40 in the borehole section 16, or to operate a valve or other flow control device 38 that controls the flow between the well bore 18 and the interior of the tubular column 26, etc. Access through connector 22 may be used for purposes other than operating the flow control devices, in accordance with the scope of this description.
    [0029] In the example shown in FIG. 1, well bore sections 14, 16 are protected with liner 42 and cement 44, but well bore section 18 is uncoated, or open bore. A window 46 is formed through the liner 42 and cement 44, with the well hole section 18 extending out of the window.
    [0030] However, other methods and settings for completion can be used, if desired. For example, the well-hole section 18 could be coated, with an inner tube being sealed to window 46 or another portion of coating 42, etc., on it. Thus, it is clear that the scope of this description is not limited to any of the features of the well system 10 or the associated method described or represented in the drawings here.
    [0031] A baffle 48 is fastened to the liner 42 at junction 12 by a plug, latch or other anchor 50. The tubular column 40 is fastened in a sealed manner to anchor 50 and baffle 48, so that a passage 52 in the baffle column tubular 40 is in communication with a passage 54 in the baffle 48.
    [0032] The tubular column 24 is fitted with seals 56 to the baffle 48, so that the tubular column 24 is in sealed communication with the tubular column 40 in the well hole section 16.
    [0033] A gouge-shaped termination 58 at a lower end of the tubular column 26 is too large to fit in the passage 54 in the deflector 48 and thus, when the junction assembly 20 is lowered into the well, the termination in the shape of a gouge 58 is deflected laterally in the well bore section 18. The tubular column 24, however, is able to fit in the passage 54 and, when the joint assembly 20 is properly positioned as shown in FIG. 1, the tubular column 24 will be in sealed communication with the tubular column 40 via passageway 54.
    [0034] In the example of FIG. 1, fluids (such as hydrocarbon fluids, oil, gas, water, steam, etc.) can be produced by well bore sections 16, 18 via the respective tubular columns 24, 26. Fluids can flow via the connector 22 for the tubular column 30 for eventual production to the surface.
    [0035] However, such production is not necessary according to the scope of this description. In other examples, fluid (such as steam, liquid water, gas, etc.) could be injected into one of the well bore sections 16, 18 and another fluid (such as oil and / or gas, etc.) could be produced through the other borehole section, fluids could be injected into both borehole sections 16, 18, etc. Thus, any type of injection and / or production operation can be carried out in accordance with the principles of this description.
    [0036] Referring now further to FIG. 2, a partial cross-sectional view of the well-hole junction assembly 20 is shown, apart from the rest of the system 10. In this example, a fluid 60 is produced from the well-hole section 16 via the tubular column 24 to the connector 22, and another fluid 62 is produced from the well hole section 18 via the tubular column 26 to the connector. Fluids 60, 62 can be the same type of fluid (e.g., oil, gas, steam, water, etc.), or they can be different types of fluids.
    [0037] Fluid 62 flows via connector 22 to another column of tubular 64 positioned within column of tubular 30. Fluid 60 flows via connector 22 to a space 65 formed radially between columns of tubular 30, 64.
    [0038] Chokes or other types of flow control devices 66, 68 can be used to vary the flow of fluids 60, 62 to the tubular column 30 above the tubular column 64 in various ways. Devices 66, 68 can be remotely controllable by wired or wireless device (for example, by acoustic means, pressure pulse or electromagnetic telemetry, by optical waveguide, electrical conductor or control lines, etc.), allowing an intelligent completion in which the production of multiple well hole sections can be controlled independently.
    [0039] Although fluids 60, 62 are represented in FIG. 2 being mixed in the tubular column 30 above the tubular column 64, it is realized that the fluids could remain segregated in other examples. Furthermore, although device 68 is illustrated possibly obstructing a passage 70 through the tubular column 64, in other examples device 68 could be positioned so that it effectively regulates the flow of fluid 62 without obstructing the passage.
    [0040] In one example, physical access is provided between the passage 70 and the interior of the tubular column 26 (as shown in FIG. 2), or the interior of the tubular column 24, depending on how the tubular columns 24, 26 are connected to connector 22. Thus, an item of equipment (such as the well tool 34) can pass from the tubular column 30 to the tubular column 64, through the passage 70 to the connector 22, and via the connector until the tubular column 26, or even the tubular column 24.
    [0041] Referring now further to FIG. 3, an enlarged cross-sectional view of the tubular column connector 22 is shown, respectively. In this view, it can be seen that the connector 22 is provided with connections 72, 74 at one end 28, and connections 76, 78 at the opposite end 32.
    [0042] Tubular columns 24, 26 are connected to connector 22 by connections 72, 74. Tubular columns 30, 64 are connected to connector 22 by the respective connections 76, 78. Preferably, each of connections 72, 74, 76, 78 in this example comprises an internal thread on connector 22, but other types of connections can be used, if desired.
    [0043] Fittings 72, 74 are preferably of the type known to those skilled in the art as premium oriented threads. A suitable oriented thread is the VAM (TM) “FJL” oriented thread, although other oriented threads and other types of oriented connections can be used and continue within the scope of this description. Other types of oriented connections could include J-slits, etc.
    [0044] The oriented connections 72, 74 fix a rotational orientation of each of the tubular columns 24, 26 in relation to the connector 22. Furthermore, if the oriented connections 72, 74 are identically (or at least similarly) dimensioned, then each of the tubular columns 24, 26 can be connected to the connector 22 by any of the oriented connections.
    [0045] The dimensions of the connections 72, 74 are similar if this interchangeability of the tubular columns 24, 26 is allowed. Thus, one of the connections 72, 74 could be slightly different from the other connections, and the connections 72, 74 can still be similarly dimensioned, if each column of tubes 24, 26 can be operatively connected to connector 22 by any of the connections .
    [0046] When used in the well-hole junction assembly 20 of FIGS. 1 and 2, the tubular column 64 could be connected to connection 78, for example, by threading. Connection 78 may comprise an oriented connection, if desired. The tubular column 30 could be connected to connection 76, for example, by threading. Connection 76 may comprise a guided connection, if desired.
    [0047] With the tubular column 64 connected at connection 78, physical access is provided between the interior of the tubular column 64 and the interior of the tubular column 24 or 26 connected at connection 74. In the example of FIG. 1, the well tool 34 can be transferred through the tubular column 30 to the top of the tubular column 64, through the tubular column 64 to the connector 22, and through the connector to the tubular column 24.
    [0048] In this example, the tubular column 24 would be connected to connector 22 via connection 74. Alternatively, the tubular column 26 could be connected to connector 22 via connection 74, in which case the well tool 34 could be transferred from the tubular column 30 to the tubular column 64, and through the connector to the tubular column 26 (for example, to operate the flow control device 38).
    [0049] The choice of which of the tubular columns 24, 26 can be physically accessed through the connector 22 is made before the installation of the junction set 20 in the well. The use of similarly sized connections 72, 74 ensures that the tubular column 24 can be connected to connector 22 by any one of the connections, and the tubular column 26 can be connected to the connector by the other of the connections.
    [0050] In addition, the use of the oriented connections 72, 74 ensures that the tubular columns 24, 26 will be properly rotationally oriented in relation to the connector 22 when the tubular columns are connected. This feature is beneficial, for example, so that the gouge-shaped termination 58 is properly rotationally oriented for deflection in the well-hole section 18 by deflector 48, etc.
    [0051] Preferably, all threaded connections between gouge termination 58 and connector 22 are oriented connections, so that the gouge termination is properly rotationally aligned to deflect laterally out of the baffle 48 when all connections threaded are constituted. Alternatively, all components of the tubular column 26, except the gouge termination 58, could be constituted, so upper threads in the gouge termination could be cut so that when the gouge termination is constituted in the rest of the tubular column, the gouge-shaped end is properly rotationally aligned.
    [0052] Yet another alternative is to constitute all the components of the tubular column 26, in addition to the gouge-shaped termination 58 and a tube joint (relatively short tubular section) above the gouge-shaped termination. Then, the pipe joint (for example, a pipe joint between the device 38 and the gouge-shaped termination 58) could be selected or machined to measure (for example, with a chosen rotational displacement between its ends), in such a way that, when the tube joint and gouge termination are mounted on the remainder of the tubular column 26, the gouge termination will be properly rotationally oriented to deflect laterally out of the baffle 48. The tube joint could be provided with threads oriented to either or both of its ends.
    [0053] Referring now further to FIGS. 4A-G, selected axial sections of the joint assembly 20 are shown in more detailed cross-sectional views. The junction assembly 20 can be used in the well system 10 and method of FIG. 1, or can be used in other systems and methods, according to the principles of this description.
    [0054] Note that, instead of being connected to a lower end of the tubular column 26, the gouge-shaped termination 58 shown in FIG. 1 can be used to transition between an upper section with a smaller diameter of the tubular column and a lower section with a larger diameter of the tubular column. The larger diameter lower section of the tubular column 26 could include various components, for example, completion components, such as sand sieves, shutters, plugs, inner tube, valves, chokes, sealing assemblies (for example, to penetrate the column of internal tubes previously installed in the well hole section 18, etc.), control lines (for example, to operate valves, chokes, etc.), etc. A lower end of the tubular column 26 could include another component that deflects laterally out of the baffle 48 (similar to the gouge termination 58). Device 38 could be connected to both the smallest and the largest diameter section of the tubular column 26 in this case.
    [0055] In FIG. 4A, it can be seen that the tubular column 64 is positioned within the tubular column 30. Another tubular column (indicated as 64a in FIG. 4A) is installed in a sealed manner in the tubular column 64 and effectively becomes a part of this. An upper "digging tip" 80 is provided in the tubular column 64 for convenient insertion of the tubular column 64a into it while the joint assembly 20 is in the well.
    [0056] In this example, the flow control devices 66, 68 of FIG. 2 can be interconnected in the tubular column 64a. Thus, the tubular column 64a, together with flow control devices 66, 68 and other equipment (for example, telemetry devices, cables, etc.), can be installed in the junction assembly 20 after the junction assembly has been installed in the well at the well hole junction 12. In addition, the tubular column 64a, together with flow control devices 66, 68 and other equipment, can be conveniently recovered (for example, for maintenance, repair, replacement, etc.) of junction assembly 20, if desired.
    [0057] In FIG. 4B, it can be seen that seals 82 supported on the tubular column 64a sealably fit a sealing hole 84 formed on the tubular column 64. The fitting of the seals 82 on the sealing hole 84 allows sealed fluid communication between an internal passage 86 of the tubular column 64 and an internal passage 88 of the tubular column 64a. Together, passages 86, 88 can comprise pass 70 shown in FIG. two.
    [0058] In FIG. 4C, it can be seen that a tongue 90 supported on the tubular column 64a releasably engages an internal profile 92 formed on the tubular column 64. In this way, the tubular column 64a is releasably attached to the tubular column 64. The sealing hole 84 and profile 92 can be the same or similar to the type used in conventional polished hole receptacles well known to those skilled in the art.
    [0059] In FIG. 4D, it can be seen that a lower end of the tubular column 64a fits a shoulder 94 formed in the tubular column 64. This fitting with the shoulder 94 properly positions the tubular column 64a in relation to the tubular column 64.
    [0060] In FIG. 4E, it can be seen that the passage 86 is laterally displaced in the tubular column 64. This lateral displacement is optional (as are the other features of the joint 20 described here and shown in the drawings), but, in this example, the The displacement accommodates a change in wall thickness of the outer tubular column 30, and positions the tubular column 64 further toward the center of the outer tubular column. The excavation tip 80 (see FIG. 4A) is used to more precisely center the top of the tubular column 64 in the tubular column 30.
    [0061] In FIG. 4F, it can be seen that the tubular column 64 is connected to connector 22 via connection 78. The tubular column 30 is connected to connector 22 via connection 76. The tubular column 24 is connected via connection 72, and the tubular column 26 is connected via connection 74. Thus, in this example, physical access is provided between the tubular column 64 and the tubular column 26 through connector 22.
    [0062] In FIG. 4G, the configuration of the junction assembly 20 is slightly altered, in which the tubular column 24 (instead of the tubular column 26) is connected to connector 22 via connection 74. The tubular column 26 is connected via connection 72. Thus, in this configuration, physical access is provided between the tubular column 64 and the tubular column 24 through connector 22.
    [0063] Referring now further to FIGS. 5A-E, detailed cross-sectional views of the junction assembly 20 installed in the borehole sections 14, 16, 18 of the well system 10 are shown illustrated. For the sake of clarity the rest of the well system 10 is not illustrated in FIGS. 5A-E.
    [0064] In FIGS. 5A-E, you can clearly see how the features of junction assembly 20 cooperate to provide a convenient and effective installation in well bore sections 14, 16, 18. Note that the tubular column 64a is not yet installed in the configuration of FIGS. 5A-E, and it should be understood that it is not necessary, according to the scope of this description, for the tubular column 64a to be installed in any way.
    [0065] Referring now further to FIG. 6, a base view of the connector 22 is illustrated representatively. In this view, it can be seen that if two of the connections 72, 74 are provided at the lower end 28 of the connector 22, then preferably the connections 72, 74 are oriented 180 degrees with respect to each other.
    [0066] As shown in FIG. 6, a feature 96 of connection 72 that controls the rotational orientation of a column of tubulars connected to the connection is indicated with a small triangle (the triangle represents the position of the feature, other than the feature itself). This feature 96 could be a start of a thread, an end of a thread, a portion of a J slot, etc. Any feature that controls the rotational orientation of a tubular column connected to connector 22 through connection 72 can be used as feature 96.
    [0067] Connection 74 has a similar feature 98. Note that features 96, 98, along with the rest of connections 72, 74, are oriented 180 degrees relative to each other. In this way, a tubular column would be rotated 180 degrees between operatively connected to connector 22 by one of the connections 72, 74 and operatively connected by the other of the connections. Certainly, other rotational orientations of connections 72, 74 can be used, according to the scope of this description.
    [0068] Referring now further to FIG. 7, another configuration of connector 22 is illustrated, respectively. In this configuration, three connections 72, 74, 100 are provided at the base end 28 of connector 22. Connection 100 can be an oriented connection, and / or connection 100 can be similarly dimensioned with the other connections 72, 74, in such a way that the same tubular column can be connected to any of the connections 72, 74, 100.
    [0069] The example of FIG. 7 demonstrates that any number of connections can be provided at connector 22 according to the scope of this description. In addition, note that connections 72, 74, 100 are oriented 120 degrees relative to each other, demonstrating that any orientation of connections can be used according to the scope of this description.
    [0070] Resources 96, 98 are differently oriented in the example of FIG. 7, compared to the example of FIG. 6. However, features 96, 98 (and a similar feature 102 of connection 100) are preferably also rotationally oriented 120 degrees with respect to each other. This demonstrates that any rotational orientation of resources can be used according to the scope of this description.
    [0071] Although in FIGS. 6 and 7 the connections 72, 74, 100 are represented equally spaced angularly, and the resources 96, 98, 102 are represented equally rotationally displaced in relation to each other, the scope of this description includes unequal angular spacing of connections and uneven rotational displacement between connections resources.
    [0072] Referring now further to FIG. 8, another configuration of the well-hole junction assembly 20 is shown representatively. In this configuration, the tubular column 26 (which must be deflected laterally to the well bore section 18) includes a tubular column support 104 to decrease bending stress of the tubular column 26, and prevent its warping, during installation.
    [0073] The support 104 can be interconnected in the tubular column 26 in several ways. For example, support 104 could be provided with threads (such as oriented threads, or another type of oriented connection) for connection between upper and lower sections of the tubular column 26, or the support could be slid over the outside of the tubular column and fastened with adjustment screws, clamps, etc. Thus, it is realized that any way of attaching the support 104 to the tubular column 26, or interconnecting the support therein, can be used according to the scope of this description.
    [0074] Support 104 preferably extends at least partially adjacent to the other column of tubulars 24. For example, support 104 could hinge at least partially in the column of tubulars 24, as shown in FIG. 8.
    [0075] "Legs" 106 extending laterally from the support 104 can be configured with various lateral lengths, which space the tubular column 26 of the elements such as the baffle 48, the window 46, the well hole section 18, etc. . This spacing of the tubular column 26 of such elements works to reduce folding of the tubular column as it is being installed in the well bore section 18, as described in more detail below.
    [0076] In the configuration of FIG. 8, the legs 106 of the support 104 extend to approximately a maximum outside diameter of the tubular column 24 adjacent to the support. Preferably, the support 104 (including the legs 106) does not extend further outwardly than the connector 22, so that the support and tubular columns 24, 26 can pass through the same upper well hole section 14 during installation.
    [0077] Referring now further to FIG. 9, a side view of the support 104 is shown on an enlarged scale. In this configuration, the legs 106 do not extend as far outwardly as in the configuration of FIG. 8. Thus, the tubular column 26 will not be as spaced apart from various elements of the well system 10 (for example, the baffle 48, the window 46, the well hole section 18, etc.) compared to the configuration of FIG . 8 during installation of joint 20.
    [0078] Referring now further to FIG. 10, another configuration of the support 104 is shown, respectively. In this configuration, the legs 106 extend laterally outward a greater distance compared to the configurations of FIGS. 8 and 9. Thus, the tubular column 26 will be spaced even more from the various elements of the well system 10 (for example, the baffle 48, the window 46, the well hole section 18, etc.) compared to the configuration of FIGS. 8 and 9 during installation of joint 20.
    [0079] Referring now further to FIG. 11, yet another configuration of the support 104 is shown, apart from the rest of the joint assembly 20, in this view, the way in which the legs 106 can bend in the tubular column 24 can be clearly seen.
    [0080] Before the tubular column 26 is deflected laterally to the well hole section 18, the tubular column 24 is received in a longitudinal recess 108 formed in the support 104. An opening 110 formed longitudinally through the support 104 can be provided with oriented connections (such as oriented threads, J-slits, etc.), or the opening may be large enough to receive the tubular column 26 in it, in which case adjustment screws, clamps or other devices can be used to attach the support to the tubular column.
    [0081] Referring now further to FIG. 12, the tubular column 26 is shown representatively deflected laterally to the well hole section 18 during installation of the junction assembly 20. Note that the legs 106 of the support 104 space the tubular column 26 of the baffle 48 and, by means of posterior installation , space the column of tubulars of window 46 and of the well hole section 18.
    [0082] This spacing of the tubular column 26 by the support 104 reduces bending of the tubular column, thereby reducing bending stresses in the tubular column. If an obstruction or restriction is encountered by the tubular column 26 during installation in the well bore section 18, this reduced folding of the tubular column can also prevent warping of the tubular column, particularly if additional longitudinal force is applied to the tubular column ( for example, putting weight on the set 20, etc.) in order to cross the obstruction or restriction.
    [0083] The support of the tubular column 26 in this way can be especially beneficial in well bore sections, such as the horizontal or substantially offset bore section 18 as shown in FIG. 12. In this case, the tubular column 26 can be subjected to the force of gravity, tending to make the tubular column be disposed against the deflector 48, window 46 and the underside of the well hole section 18 during installation.
    [0084] Referring now further to FIGS. 13A and B, another configuration of the well-hole junction assembly 20 is shown representatively. In this configuration, a flow control device 112 in the tubular column 30 above the connector 22 is opened as the tubular column 64a is installed in the junction assembly 20.
    [0085] In FIG. 13A, the flow control device 112 is closed before the tubular column 64a is completely installed in the junction assembly 20. In this configuration, a closure 114 of the device 112 prevents flow through an internal flow passage 116 of the flow column. tubular 30.
    [0086] With flow through passage 116 being blocked (as shown in FIG. 13A), completion fluids, sludge, or other valuable fluids are prevented from flowing through the junction assembly 20 to the well bore sections 16, 18, where they could be lost to the terrestrial stratum involving these borehole sections. If well bore sections 16, 18 are completed in an unbalanced condition, then device 112 in its closed configuration can prevent greater pressure above well bore junction 20 from communicating with well bore sections 16, 18 , whose communication could otherwise damage the terrestrial stratum intercepted by well bore sections. High pressure above device 112 could in some circumstances cause unwanted fracturing or other damage to the earth layer intercepted by well bore sections 16, 18, not to mention the device being closed.
    [0087] Device 112 may be of the type known to those skilled in the art as a fluid loss control device. In FIGS. 13A and B, device 112 is represented as a ball valve, with closure 114 comprising a rotating ball. However, in other examples, device 112 could comprise a flapper valve or other type of flow blocking device that can be opened.
    [0088] A suitable flow blocking device is the Anvil (TM) plug sold by Halliburton Energy Services, Inc. of Houston, Texas USA, which comprises a shear closure. Yet another suitable flow blocking device is the Mirage (TM) disappearance buffer, also marketed by Halliburton Energia Services, Inc., which comprises a dispersible closure. Therefore, it is realized that any device that blocks flow through the passage 116, and then allows flow through the passage, can be used according to the scope of this description.
    [0089] In the example of FIGS. 13A and B, the device 112 is opened in response to the installation of the tubular column 64a in the tubular column 30. In this configuration, the tongue 90 additionally fits the profile 92 (which is formed in a sleeve 118 alternately arranged in the column of tubular 30) when the tubular column 64a is inserted into the tubular column 30.
    [0090] As shown in FIG. 13A, the tubular column 64a has been inserted sufficiently into the tubular column 30 for the tongue 90 to fit the profile 92 to the sleeve 118. As shown in FIG. 13B, the tubular column 64a has been inserted further into the tubular column 30, and the sleeve 118 has thus been displaced with the tubular column 64a.
    [0091] The displacement of the sleeve 118 with the tubular column 64a causes the closure 114 to open, as shown in FIG. 13B. In this example, closure 114 is rotated to an open position, but in other examples, the closure could be sheared, broken, pivoted, dissolved or otherwise dispersed, etc., in order to allow flow through passage 116.
    [0092] After the device 112 is opened, the tubular column 64a can be additionally inserted into the tubular column 30, with the tongue 90 disengaging from the profile 92 (for example, due to the application of a sufficient longitudinal force on the tubular column 64a, for example, putting weight on the tubular column, etc.).
    [0093] Referring further to FIGS. 14A and B, a section of the well-hole junction assembly 20 is shown representatively after the tubular column 64a is further inserted into the junction assembly. More specifically, the tubular column 64a has been partially inserted into the tubular column 64.
    [0094] In FIG. 14A, the tubular column 64a has been inserted sufficiently into the tubular column 64 for the tongue 90 to complement another profile 92 of another flow control device 120 interconnected to the tubular column 64. The flow control device 120 can be the same, similar to, or different from, the flow control device 112 interconnected in the tubular column 30.
    [0095] In this example, the profile 92 is formed in a sleeve 122 which is alternately arranged with respect to the passage 86 in the tubular column 64. The displacement of the sleeve 122 causes opening of a closure 124 of the device 120.
    [0096] In FIG. 14B, the closure 124 has been opened, thus allowing flow through the passage 86. After the device 120 is opened, the tubular column 64a can be inserted further into the tubular column 64, with the tongue 90 disengaging the profile 92 ( for example, due to the application of a sufficient longitudinal force on the tubular column 64a, for example, putting weight on the tubular column, etc.).
    [0097] Device 120 in its closed configuration preferably prevents fluid flow between well bore sections 16, 18. With device 120 closed (as shown in FIG. 14A), fluid cannot flow between space 65 and pass 86 below the device. Thus, if the terrestrial stratum intercepted by well bore sections 16, 18 has different pressures from the formation, the device 120 in its closed configuration will prevent transfer of fluid from a terrestrial layer of higher pressure to a terrestrial layer of lower pressure.
    [0098] It can now be seen that the insertion of the tubular column 64a in the junction assembly 20 can be used to open the device 112, and then to open the device 120. The devices 112, 120 are opened in response to the displacement of the column tubular column 64a through the tubular column 30 (thereby opening the device 112), and in response to displacement of the tubular column 64a through the tubular column 64 (thereby opening the device 120).
    [0099] The opening of the device 112 allows fluid communication between the upper and lower sections of the tubular column 30, and the opening of the device 120 allows fluid communication between the upper and lower sections of the tubular column 64. Put differently, the opening of the device 112 allows fluidic communication through an upper section of the joint assembly 20, and the opening of the device 120 allows fluidic communication between the tubular columns 24, 26, and between the well bore sections 16, 18.
    [00100] It can now be fully realized that this description provides significant improvements to the technique of constructing well hole junctions. The aforementioned tubular column connector 22 can be used to determine which of the multiple tubular columns 24, 26 can be physically accessed after installation of the junction assembly 20. Tubular columns 24, 26 can be interchangeably connected to connector 22 with oriented connections 72, 74.
    [00101] The description presented describes a method of installing a 20-hole junction assembly in a well. The method may include connecting at least first and second tubular columns 24, 26 to a first opposite end 28 of a tubular column connector 22 with oriented connections similarly sized 72, 74, whereby the first and second tubular columns 24, 26 are interchangeably connectable at connector 22 with oriented connections 72, 74.
    [00102] The connection step may include each of the first and second tubular columns 24, 26 with a rotational orientation in relation to the connector 22 which is determined by the respective oriented connection 72 or 74.
    [00103] The method may include orienting the oriented connections 72, 74 on the connector 180 degrees in relation to each other and / or spacing angularly substantially equal to the oriented connections of each other.
    [00104] The method may include connecting a third column of tubular 30 to a second opposite end 32 of connector 22. The method may also include connecting a fourth column of tubular 64 to the second opposite end 32 of connector 22. The fourth column of tubular 64 can be positioned at least partially within the third tubular column 30.
    [00105] Access can be allowed via connector 22 between the fourth column of tubular 64 and only one of the first and second column of tubular 24, 26.
    [00106] The fourth tubular column 64 can comprise a sealing hole 84. A fifth tubular column 64a can be installed in a sealed manner in the sealing hole 84.
    [00107] The method may include opening a flow control device 120 in response to installing a fifth column of tubular 64a in the fourth column of tubular 64. Opening the flow control device 120 may comprise allowing fluid communication through a longitudinal flow passage 86 of the fourth column of tubulars 64.
    [00108] The method may also include opening a second flow control device 112 in response to the installation of the fifth column of tubular 64a in the third column of tubular 30. The opening of the second flow control device 112 may comprise allowing fluid communication through of a longitudinal flow passage 116 of the third column of tubulars 30.
    [00109] The method may include laterally spacing the second tubular column 26 of a baffle 48 with a support 104 connected to the second tubular column 26, while baffle 48 deflects laterally the second tubular column 26 for a well hole section. 18. The support 104 can space the second tubular column 26 laterally from a bottom side of the well hole section 18.
    [00110] Support 104 can at least partially bend in the first tubular column 24 before deflection of the second tubular column 26 into the well bore section 18. Support 104 can reduce the folding of the second tubular column 26 when the second column of tubular 26 is installed in the well hole section 18.
    [00111] Also previously described is a well bore junction assembly 20. The junction assembly 20 may include at least first and second tubular columns 24, 26, and a tubular column connector 22 with opposite first and second ends 28, 32. Each of the first and second tubular columns 24, 26 can be secured at the first opposite end 28 by oriented connections 72, 74, whereby each of the first and second tubular columns 24, 26 has an orientation fixed rotational in relation to connector 22.
    [00112] The description presented also provides the technique with a well system 10. The well system 10 may include a tubular column connector 22 with opposite first and second ends 28, 32, first and second tubular columns 24, 26 secured. at the first opposite end 28, the first and second tubular columns 24, 26 being arranged in separate intercepting borehole sections 16, 18, the third and fourth tubular columns 30, 64 attached to the second opposite end 32, the fourth column of tubulars 64 being disposed within the third column of tubulars 30, a first flow control device 120 that selectively allows and prevents flow of fluid through a longitudinal flow passage 116 of the third column of tubulars 30, and a second control device flow 112 which selectively permits and prevents fluid flow through a longitudinal flow passage 86 of the fourth tubular column 64.
    [00113] The first flow control device 120 may open in response to the insertion of a fifth column of tubular 64a in the fourth column of tubular 64.
    [00114] The second flow control device 112 can open in response to the insertion of a fifth tubular column 64a in the third tube column 30. The first flow control device 120 can open in response to the insertion of the fifth tubular column 64a through the second flow control device 112 and the fourth tubular column 64.
    [00115] The second flow control device 112 can selectively allow and prevent fluid communication between well bore portions 16, 18. The first flow control device 120 can selectively allow and prevent fluid communication between borehole portions. well 16, 18 and the third column of tubular 30.
    [00116] Also previously described is a well system 10 that can include a tubular column connector 22 with opposite ends 28, 32, and each of the first and second tubular columns 24, 26 being attached to the connector 22, and a support 104 which reduces folding of the second column of tubular 26 resulting from deflection of the second column of tubular 26 from a first section of well bore 14 to a second section of well bore 18.
    [00117] The support 104 can space the second tubular column 26 from a baffle 48 that deflects the second tubular column 26 to the second well hole section 18. The support 104 can space the second tubular column 26 on one side bottom of the second well hole section 18.
    [00118] The support 104 can at least partially bend in the first column of tubulars 24.
    [00119] The first and second tubular columns 24, 26 can be connected at the same end 28 of the connector 22.
    [00120] The first column of tubulars 24 can be arranged in a third section of well hole 16.
    [00121] It should be understood that the various examples described above can be used in various orientations, such as inclined, inverted, horizontal, vertical, etc., and in various configurations, without departing from the principles of this description. The modalities illustrated in the drawings are represented and described merely as examples of useful applications of the principles of the description, which are not limited to any specific details of these modalities.
    [00122] In the presented description of representative examples, directional terms (such as "above", "top", "below", "base", "upper", "lower", etc.) are used for convenience referring to attached drawings. In general, "up", "top", "up" and similar terms refer to the earth's surface along a well bore, and "below", "bottom", "down" and terms similar refer to an outward direction of the earth's surface along the borehole, whether the borehole is horizontal, vertical, inclined, deflected, etc. However, it must be clearly understood that the scope of this description is not limited to any particular direction described here.
    [00123] Certainly, versed in the technique, through a careful consideration of the presented description of representative modalities, they will easily realize that many modifications, additions, substitutions, deletions and other changes can be made in these specific modalities, and changes fall within the scope of the principles of this description. Thus, it should be clearly understood that the detailed description presented is given only by way of illustration and example, the spirit and scope of the invention being limited only by the attached claims and their equivalents.
    权利要求:
    Claims (18)
    [0001]
    1. Well hole junction set, characterized by the fact that it comprises: at least first and second tubular columns (24, 26); and a tubular column connector (22) with opposite first and second ends, and each of the first and second tubular columns being secured at the first opposite end by oriented connections, the oriented connections fixing a rotation of each of the tubular columns with respect to the connector, so that the tubular columns (24, 26) are rotatably oriented in relation to the connector (22) when the tubular columns are connected, whereby each of the first and second tubular columns has a fixed rotational orientation in relation to the connector.
    [0002]
    2. Well hole junction assembly according to claim 1, characterized by the fact that the connections oriented in the connector are similarly dimensioned, whereby the first and second tubular columns are interchangeably connected to the connector by the oriented connections.
    [0003]
    3. Well hole junction assembly according to claim 1, characterized by the fact that the connections oriented on the connector are oriented 180 degrees in relation to each other.
    [0004]
    4. Well hole junction assembly according to claim 1, characterized by the fact that the oriented connections are substantially spaced at an angle equal to each other in the connector.
    [0005]
    5. Well hole junction assembly according to claim 1, characterized by the fact that a third column of tubulars (30) is connected at the second opposite end of the connector.
    [0006]
    6. Well hole junction assembly according to claim 5, characterized by the fact that a fourth tubular column (64) is connected at the second opposite end of the connector.
    [0007]
    7. Well hole junction assembly according to claim 6, characterized by the fact that the fourth column of tubulars is positioned within the third column of tubulars.
    [0008]
    8. Well hole junction assembly according to claim 6, characterized by the fact that access is allowed via the connector between the fourth column of tubular and only one of the first and second column of tubular.
    [0009]
    9. Well hole junction assembly according to claim 6, characterized by the fact that the fourth tubular column comprises a sealing hole (84).
    [0010]
    10. Well hole junction assembly according to claim 9, characterized by the fact that a first flow control device (64a) opens in response to the installation of a fifth tubular column in the fourth tubular column.
    [0011]
    11. Well hole junction assembly according to claim 6, characterized by the fact that the first flow control device (112) opens in response to the installation of a fifth tubular column in the fourth tubular column.
    [0012]
    12. Well-hole junction assembly according to claim 11, characterized by the fact that the first flow control device selectively prevents and allows fluid communication through a longitudinal flow passage of the fourth column of tubulars.
    [0013]
    13. Well-hole junction assembly according to claim 11 characterized by the fact that a second flow control device (120) opens in response to the installation of the fifth tubular column in the third tubular column.
    [0014]
    14. Well hole junction assembly, according to claim 13, characterized by the fact that the second flow control device selectively prevents and allows fluid communication through a longitudinal flow passage of the third column of tubulars.
    [0015]
    15. Well hole junction assembly, according to claim 1, characterized by the fact that it additionally comprises laterally spacing the second tubular column of a deflector (48) with a support (104) connected to the second tubular column, while the baffle deflects laterally the second column of tubulars to a well hole section.
    [0016]
    16. Well hole junction assembly according to claim 15, characterized by the fact that the support spaces the second tubular column laterally from a lower side of the well hole section.
    [0017]
    17. Well hole junction assembly, according to claim 15, characterized by the fact that the support runs at least partially in the first tube column before the deflection of the second tube column to the well hole section.
    [0018]
    18. Well hole junction assembly, according to claim 15, characterized by the fact that the support reduces folding of the second tubular column when the second tubular column is installed in the well hole section.
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    同族专利:
    公开号 | 公开日
    CA3010238C|2020-06-02|
    AU2016202152A1|2016-04-28|
    AU2016202152B2|2017-09-07|
    CA2836918A1|2012-12-06|
    CA2922471C|2018-08-14|
    AU2012262775B2|2016-01-21|
    RU2588999C2|2016-07-10|
    RU2013158316A|2015-07-20|
    RU2016122049A3|2019-11-07|
    US20120305266A1|2012-12-06|
    CA2836918C|2016-06-14|
    AU2017268527A1|2017-12-21|
    CN103597165A|2014-02-19|
    US20130175047A1|2013-07-11|
    EP2715040A1|2014-04-09|
    EP2715040A4|2016-02-17|
    WO2012166396A1|2012-12-06|
    CA2922471A1|2012-12-06|
    CA3010238A1|2012-12-06|
    US8967277B2|2015-03-03|
    RU2016122049A|2018-11-30|
    RU2719842C2|2020-04-23|
    EP2715040B1|2017-09-06|
    AU2017268527B2|2019-03-28|
    CN103597165B|2016-03-16|
    BR112013030903A2|2017-03-01|
    AU2012262775A1|2013-11-21|
    US8826991B2|2014-09-09|
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    法律状态:
    2018-12-11| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-12-10| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-12-01| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-01-19| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 18/05/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US13/152759|2011-06-03|
    US13/152,759|US8967277B2|2011-06-03|2011-06-03|Variably configurable wellbore junction assembly|
    PCT/US2012/038660|WO2012166396A1|2011-06-03|2012-05-18|Variably configurable wellbore junction assembly|
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