• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    DISPLACEMENT JOINT ASSEMBLY, SYSTEM FOR DISPOSING ONE OR MORE CONTROL LINES ALONG A DISPLACEMENT JOINT ASSEMBLY, AND METHOD FOR DISPOSING A CONTROL LINE COIL ALONG A DISPLACEMENT JOINT A method and system for installing a or more control lines a on a displacement joint are disclosed. A control line coil is arranged along a displacement joint. An internal mandrel is coupled to an upper bush and a lower bush. The control line coil is wound along the outer surface of the inner mandrel. The control line coil comprises a first portion located near the upper bushing, a second portion located near the lower bushing and a straight length control line extending between the first portion and the second portion. The first distal end of the straight length control line is coupled to the upper bushing and the second distal end of the straight length control line is coupled to the lower bushing.
    公开号:BR112015015593B1
    申请号:R112015015593-6
    申请日:2013-02-21
    公开日:2020-12-08
    发明作者:William M. Richards；Phillip T. Thomas；Tyson Eiman
    申请人:Halliburton Energy Services, Inc；
    IPC主号:
    专利说明:

    Foundations
    [001] A displacement joint can be used on a production pipe column to install a pipe hanger inside a wellhead after installing the production pipe column inside the completion equipment. The displacement joint allows the production pipe column to shorten by axially retracting the assembly. A displacement joint can be implemented from the surface in an extended position. The displacement joint can then be released to retract or collapse longitudinally by any suitable means. For example, mechanical devices, such as shear pins, J slots, calibrated hydraulic time releases, etc., can be used to manipulate the displacement joint.
    [002] When performing underground operations, the control lines can be coupled to the outside of the production pipe column to provide a path for energy and / or data communication for various flow control devices and / or meters attached to the pipe column the production line or the bottom-up completion equipment. In certain implementations, the control lines can be securely attached to the outside of the production pipe column. Control lines can include electrical cables, hydraulic cables, fiber optic cables or a combination thereof. For example, electrical and / or hydraulic cables can supply power to various downstream flow control devices to control the production flow rate for the production pipe chain. Likewise, electrical and / or fiber optic cables can transmit data from one or more downhole sensors relative to the reservoir and fluid properties such as, for example, pressure, temperature, density, fluid rate, fluid composition and / or water content.
    [003] It is often desirable for one or more control lines to pass along a displacement joint. However, axial movements of the displacement joint can prove problematic when driving control lines along the displacement joint. Specifically, unlike the displacement joint, the control lines are not typically extendable / retractable. This problem can be amplified in cases where multiple lines of control need to cross a displacement joint. It can be particularly difficult for multiple control lines to traverse a displacement joint due, in part, to differences in the properties of electrical, hydraulic and fiber optic control lines, such as differences in stiffness. It is, therefore, desirable to develop methods and systems to facilitate the installation of one or more control lines that effectively cross a displacement joint. Brief Description of Drawings
    [004] Some examples of disclosure can be understood by referring, in part, to the following description and the attached drawings.
    [005] Figure 1 represents a system for performing underground operations according to an illustrative modality of the present disclosure.
    [006] Figures 2A and 2B represent a cross-sectional view of the arrangement of a displacement joint assembly according to an illustrative embodiment of the present disclosure.
    [007] Figure 3A represents a perspective view of an upper portion (also called "top sub") of the displacement joint assembly of Figure 2A according to an illustrative embodiment of the present disclosure.
    [008] Figure 3B shows a perspective view of the displacement joint assembly top figure sub of Figure 3A with the external control line coil removed.
    [009] Figure 4 represents a close-up view of an anchoring block used in conjunction with a displacement joint assembly in accordance with an illustrative embodiment of the present disclosure.
    [0010] Figures 5A and 5B represent perspective views of a lower portion (also called "lower sub") of the displacement joint assembly of Figure 2B according to an illustrative embodiment of the present disclosure.
    [0011] Although modalities for this disclosure have been represented and described and are defined by reference to exemplary modalities of disclosure, such references do not imply a limitation on disclosure and no such limitation will be inferred. The material disclosed is capable of considerable modifications, alterations and equivalents in form and function, as will occur for those versed in the relevant technique and having the benefit of this disclosure. The modalities represented and described in this disclosure are only examples and are not exhaustive of the scope of the disclosure. Detailed Description
    [0012] To facilitate a better understanding of the present invention the following examples of some modalities are given. In no way will the following examples be read to limit, or define, the scope of the invention. Modalities of the present disclosure may be applicable to horizontal, vertical, deviated or otherwise non-linear well holes in any type of underground formation. The modalities can be applicable to injection wells, as well as production wells, including hydrocarbon wells. The modalities can be implemented with tools that, for example, can be transported through a flow passage in a tubular column or spiral tubing, or similar downhole robot.
    [0013] For the purposes of this disclosure, the terms "couple" or "couple", as used herein, are intended to mean either an indirect or a direct link. Thus, if a first device couples to a second device, that connection can be through a direct connection or through an indirect electrical connection via other devices and connections. The term "hole above", as used herein, means along the drill string or hole of the distal end towards the surface and "hole below", as used herein, means along the drill string or hole from the surface towards the distal end.
    [0014] The methods and systems disclosed herein can be used in conjunction with production, monitoring or injection in relation to the recovery of hydrocarbons or other materials from the subsurface.
    [0015] Illustrative modalities of the present invention are described in detail here. In the interests of clarity, not all characteristics of an actual implementation can be described in this specification. It will, of course, be noted that in the development of any such real modality, numerous specific implementation decisions can be made to achieve specific implementation objectives that may vary from one implementation to another. Furthermore, it will be appreciated that such a development effort can be complex and time-consuming, but despite this, it would be a routine task for those skilled in the art having the benefit of the present disclosure.
    [0016] The present invention relates generally to spacing operations and, more particularly, to the method and system for installing one or more control lines in a displacement joint.
    [0017] Now returning to Figure 1, a system for performing underground operations according to an illustrative embodiment of the present disclosure is generally denoted with the reference numeral 10. In system 10, a tubular column 12 extends downwards from a drilling rig 14. The drilling rig 14 can be a floating platform, drilling vessel, or liftable probe. In certain illustrative embodiments, the tubular column 12 may be in a riser (not shown) between the drilling rig 14 and a wellhead 16. In other embodiments, a riser may not be used.
    [0018] The tubular column 12 can be fitted into a completion assembly 18 previously installed in a well bore 20. In the illustrative embodiment of Figure 1, the tubular column 12 is received in a sealed manner in a packer 22 at an upper end of the completion set 18 In certain embodiments, the tubular column 12 may have a sealing stack (not shown) in it that seals within a sealed hole receptacle (for example, above a liner hanger, etc.). The tubular column 12 can be connected to the completion set 18 using any suitable means known to those skilled in the art having the benefit of the present disclosure, without departing from the scope of the present disclosure.
    [0019] Completion set 18 can be used to "complete" a portion of the well bore 20. Completion of a well, as used herein, refers to operations carried out to prepare the well bore for production or injection operations . Completion set 18 may include one or more elements that facilitate such production or injection operations. For example, completion set 18 may comprise elements including, but not limited to, packers, well screens, liner or perforated liner, production or injection valves, flow control devices and / or throttles.
    [0020] A displacement joint system 23 can be used to axially shorten the tubular column 12 between the completion set 18 and the wellhead 16. After the tubular column 12 has been connected to the completion set 18, a joint offset 24 on the tubular column 12 can be released to allow the tubular column 12 to be seated on the wellhead 16. In the example in Fig. 1, a hanger 26 is seated on a wear bushing 28, but other ways of fixing can be used a tubular column in a wellhead which are known to those skilled in the art having the benefit of the present disclosure without departing from the scope of the present disclosure.
    [0021] The displacement joints 24 allow some variation in the length of the tubular column 12 between the hanger 26 and the completion set 18. For example, the displacement joint 24 can allow the length of the tubular column 12 to shorten after the set of completion 18 has been coupled in a sealed manner, so that the hanger 26 can be properly seated in the wellhead 16.
    [0022] The displacement joint 24 can be any suitable displacement joint. For example, in certain implementations, displacement joint 24 may be the displacement joint disclosed in US Patent 6,540,025, assigned to Halliburton Energy Services, Inc., which is incorporated herein by reference in its entirety. The illustrative displacement joint disclosed in US Patent 6,540,025 includes a hydraulic release device that releases the displacement joint in response to a predetermined compressive force being applied to the displacement joint for a predetermined amount of time. The displacement joint described also includes a reset feature that allows the displacement joint to be locked back in its extended configuration after being compressed.
    [0023] In certain implementations, the displacement joint 24 of system 10 can be comprised of other types of release mechanisms. For example, in certain embodiments, the displacement joint 24 may be one that is released in response to shear from one or more pins / screws with axial tension or compression. Alternatively, the displacement joint 24 can be configured to be released by means of a slot J or ratchet. The operation of such displacement joints is well known to those skilled in the art having the benefit of the present disclosure and will therefore not be discussed here in detail. As discussed in more detail below, the displacement joint 24 is configured to facilitate the passage of one or more control lines through it, while preserving operational integrity.
    [0024] Figures 2A and 2B represent a cross-sectional view of the arrangement of a displacement joint assembly 23 according to an illustrative embodiment of the present disclosure. The displacement joint assembly portion 23, shown in Figure 2A, is located bore above the displacement joint assembly portion 23 shown in Figure 2B and is referred to here as an upper portion of the displacement joint assembly 23. The term "upper portion", as used herein, refers to the distal end of the displacement joint assembly 23 which is located above the hole in relation to the opposite distal end. Therefore, the terminology is also applicable to deviated or horizontal well holes and the present disclosure is not limited to vertical well holes. As shown in Figure 2A, the displacement joint assembly 23 may comprise an inner mandrel 210. In its upper portion, the displacement joint assembly 23 may include an outer housing 220 that extends outside the inner mandrel 210. A internal control line 230 and an external control line coil 240 can pass along the external surface of internal mandrel 210 between internal mandrel 210 and external housing 220. As shown in Figure 2A, in certain implementations, the line coil inner control line 230 and outer control line coil 240 can be wound around the outer surface of inner mandrel 210. Inner mandrel 210 can be positioned within inner control line coil 230 and outer control line coil240 can be installed on the inner control line coil 230.
    [0025] In the illustrative implementation of Figures 2A and 2B, the internal control line coil 230 includes three distinct control lines denoted as 230a, 230b, 230c. In contrast, in the illustrative embodiments of Figures 2A and 2B, the external control line coil 240 includes a single control line. However, the present disclosure is not limited to any specific number of control lines on each of the internal control line coil 230 and the external control line coil 240 and more or less control lines can be used on each coil , without departing from the scope of the present disclosure.
    [0026] A straight length of control line 235a, 235b, 235C (shown in Figure 3B), corresponding to each of the control lines 230a, 230b, 230c of the inner control line coil 230 can extend along the outside of the inner mandrel 210. The straight lengths of the control lines 235a, 235b, 235c are collectively referred to as the internal straight length of the control line 235. The straight length of the control line 235a is shown in Figure 2A for illustrative purposes while the length control line 235b and 235c is shown in Figure 3B. Each of the straight lengths of the control lines 235a, 235b, 235C can be coupled to an upper bush 250. The upper bush 250 (shown in Figure 3B) extends along an outer surface of the inner mandrel. In certain embodiments, each of the straight lengths of the control lines 235a, 235b, 235c can be coupled to the upper bushing 250 using corresponding anchor blocks 304a, 304b, 304c before it bends and becomes one of the control lines 230a, 230b , 230c of the internal control line coil 230.
    [0027] Additionally, as shown in Figure 2A, an external straight length of the control line 245 corresponding to the external control line coil 240 can extend along the outside of the internal mandrel 210. The external straight length of the control line 245 it can be coupled to the upper bushing 250 using any suitable means, such as an anchor block 304d, in the same manner discussed above with respect to the straight length of the control line 235a. Specifically, the straight external length of the control line 245 can be coupled to the upper bushing 250 with an anchor block 304d (shown in Figure 3A) before bending to become a part of the external control line coil 240. The configuration of the upper bushing 250 and anchor blocks 304a-d is discussed in more detail below.
    [0028] The internal straight length of the control line 235 and the external straight length of the external control line 245 can be driven down the hole through an upper sub 260 and each one can be sealed to the upper sub 260 by an accessory corresponding control line 270 as shown in Figure 2A. In certain embodiments, the control line accessory 270 can be a swedge-lok type accessory, high integrity flange accessory (HIF) or similar accessory that fits into a ferrel accessory to anchor and seal the internal straight length of the control line 235 and the external straight length of the control line 245 to the upper sub 260. The upper sub 260 can be attached by screwing to the external housing 220 and the pipe column 12. The internal straight length of the control line 235 and the external straight length control line 245 can continue to extend along the pipe column 12 and can be attached to it by any suitable means including, but not limited to, cable clamps (not shown).
    [0029] Figure 2B represents a cross-sectional view of a lower end of the displacement joint assembly 23 according to an illustrative embodiment of the present disclosure. The internal straight length of the control line 235 and the external straight length of the control line 245 extend to the control lines 230a, 230b, 230c of the internal control line coil 230 and the external control line coil 240 at the end bottom of the displacement joint assembly 23. The outer housing 220 and the inner mandrel 210 are continuous from Fig 2A. The actual length of these components may depend on the amount of expansion or contraction required for the displacement joint assembly 23. As can be seen in Figure 2B, the outer control line coil 240 can be wound around the inner mandrel 210 at the top of the internal control line coil 230 in the same manner discussed above in conjunction with Figure 2A.
    [0030] Similar to the configuration of the upper portion of the displacement joint assembly 23, in the lower portion, the straight length of the control lines 235a, 235b, 235c can extend from the internal control line coil 230 and pass through a bushing bottom 280 and a bottom sub 295 (as shown in Figure 2B). Like the upper bushing 250, the lower bushing 280 extends along an external surface of the internal mandrel 210. The straight length of the control lines 235a, 235b, 235c can be fixed and engaged in a sealed way in the lower sub 295 by 270 corresponding control line. Likewise, the straight external length of the control line 245 can extend from the external control line coil 240 and can be attached to the lower sub 295 by a control line accessory 270.
    [0031] As shown in Figures 2A and 2B, the external control line coil 240 can be wound on top of the internal control line coil 230 in the internal mandrel 210. In certain embodiments, the internal control line coil 230 and the external control line coil 240 can be wound clockwise or counterclockwise and one or both coils can be encapsulated. In certain embodiments, the internal control line coil 230 and the external control line coil 240 can be wound in opposite directions around the internal mandrel 210, in order to minimize interference or bundling during expansion and contraction. For example, the inner control line coil 230 can be wound clockwise around the inner mandrel 210 and the outer control line coil 240 can be wound counterclockwise around both inner mandrel 210 and the internal control line coil 230. In other embodiments, the internal control line coil 230 can be wound counterclockwise around the inner mandrel 210 and the external control line coil 240 can be wound around both the inner mandrel 210 and the inner control line coil 230. Additionally, in certain embodiments, the inner control line coil 230 and the outer control line coil 240 can be arranged so as to allow telescopic movement of the inner mandrel. 210 and external housing 220.
    [0032] Now returning to Figure 3A, a perspective view of an upper portion (also referred to as the "top sub") of the displacement joint assembly 23 according to an implementation of the present disclosure is represented. The external control line coil 240 can be attached to the upper bushing 250 by means of an anchor block 304d and fixed to it with an anchor block accessory 306. As shown in Figure 3A, the upper bushing 250 can include blocks of additional anchors 304e, 304f. Although the additional anchor blocks 304e, 304f are left unused in the illustrative embodiment of Figure 3A, if desired, they facilitate the implementation of additional control lines on the outer control line coil 240. The anchor blocks 304d, 304e, 304f can be coupled to the upper bushing 250 with any suitable means. In certain implementations, anchor blocks 304d, 304e, 304f can be coupled to the upper bushing 250 with one or more removable or permanent fasteners. For example, in certain implementations, anchor blocks 304d, 304e, 304f can be welded to the upper bushing 250. The straight external length of the control line 245 extends from anchor block 304d along the outer surface of the upper bushing 250 to the upper sub 260.
    [0033] Figure 3B shows a perspective view of the top sub of the displacement joint assembly 23 of Figure 3A with the outer control line coil 240 removed. As shown in Figure 3B, each of the control lines 230a, 230b, 230c of the internal control line coil 230 can be coupled to the upper bushing 250 using a corresponding anchor block 304a, 304b, 304c, respectively. Each of the control lines 230a, 230b, 230c can transition from the internal control line coil 230 to a corresponding straight length of the control line 235a, 235b, 235c, as shown in Figure 3B. Anchor blocks 304d, 304e, 304f can be coupled to the upper bushing 250 with any suitable means. In certain implementations, anchor blocks 304a, 304b, 304c can be coupled to the upper bushing 250 with fasteners or can be welded. The external control line coil 240 is removed from Figure 3B for illustrative purposes.
    [0034] The coils of control lines 230, 240 can be encapsulated with plastic or elastomeric material to avoid damage by friction or loss of friction material. Specifically, in certain implementations, the plastic encapsulation can be formed from high density polyethylene (HDPE), polyethylene chlorochloroflourethylene (ECTFE), Polyamide (nylon), fluorinated ethylene propylene (FEP), polyvinyl chloride (PVC), polyvinylidene fluoride ( PVDF), Polyethylene Tetrafluoroethylene (ETFE), other polymeric compounds. In other embodiments, the encapsulation may be formed of elastomeric materials including, but not limited to, neoprene, nitriles, ethylene propylene diene monomer (EPDM), flourelastomers (FKM) and / or perfluoroelastomers (FFKM), polytetrafluoroethylene (PTFE), polyether ether ketone (PEEK) and / or other elastomeric materials. The package can be removed from the transition points between the control line coils 230, 240 and their corresponding straight internal length of the control line 235 and straight external length of the control line 245 to allow the anchor blocks 304a-f to anchor on the bare control line.
    [0035] As shown in Figures 3A and 3B, each of the anchor blocks 304a-f can include a corresponding anchor block accessory 306a-f (collectively called "anchor block accessories 306"). Anchor block accessories 306 anchor the control lines for each of the outer control line coil 240 and the inner control line coil 230 to a corresponding anchor block 304. Anchor block accessories 306 and blocks anchors 304 prevent tension in the control lines of the internal control line coil 230 and the external control line coil 240 from transferring to accessories 270. Accessories 270 in the upper sub 260 provide a pressure seal between the tubing and the pressure in the ring. In order to avoid damaging accessories 270 by tensioning and flexing the straight lengths of control line 235, 245, these control lines are anchored to the upper bushing 250 by anchor block 304 and anchor block accessories 306, as discussed above.
    [0036] In addition, the transition curve from the internal straight length of the control line 235 and the external straight length of the control line 245 to the internal and external control line coils 230, 240 may need to be controlled to avoid failure by fatigue. Specifically, the external control line coil 240 and the internal control line coil 230 can each be supported radially by a corresponding external surface 310, 320 of the upper bushing 250. For example, in certain implementations, as shown in Figures 3A and 3B, the upper bushing 250 may include grooves 502 that accommodate the control line end of the internal control line coil 230 and the external control line coil 240 before a first transition curve 330ac to 340, where each coil makes the transition to the internal straight length of the control line 235 and the external straight length of the control line 245, respectively. This radial support of the surface 310 and 320 prevents the coils 230, 240 and the transition curves 330, 340 from bending in the radial direction. The control of the curvature of the control lines of the coils 230, 240 is particularly important in deviated wells, because the more deviated the well hole is the more the control lines 230a-c, 240a would want to bend in the radial direction.
    [0037] Figures 3A and 3B illustrate how multiple control lines can be wrapped around a single inner mandrel 210 and avoid bundling or rubbing while inner mandrel 210 is moved. As can be seen in Figure 3B, the control lines 230a-c of the internal control line coil 230 can be screwed through anchor block accessories 306 of corresponding anchor blocks 304a-c. In certain implementations, the upper bushing 250 may include recesses 504a-f to house anchor blocks 304a-f. Likewise, the external control line of the external control line coil 240 can be screwed through an accessory 306d of another anchor block 304d installed in a recess 504d of the upper bushing 250.
    [0038] As shown in Figures 3A and 3B, the upper bushing 250 can fix and separate a series of different control lines for axial movement. Although the upper bushing 250 separates four control lines (230a-c, 240a) in Figures 3A and 3B, any desired number of control lines can be similarly separated without departing from the scope of the present disclosure. Specifically, the method and system described for fixing control lines is scalable to allow additional control lines to be added. For example, although not illustrated, in certain embodiments, a set could have a total of six control lines with each of the internal control line coil 230 of the external control line coil 240 having three control lines.
    [0039] Furthermore, as shown in Figures 3A and 3B, anchor blocks 304a-f can be distributed radially along an outer perimeter of the upper bushing 250. Specifically, each of the anchor blocks 304a-f can be placed at a different radial location along the outer perimeter of the upper bushing 250. This distribution of anchor blocks 304a-f allows each control line of the internal control line coil 230 and the external control line coil 240 to transition to a corresponding straight length of the control line at a different location along the outer perimeter of the upper bushing 250, making the control lines of the control line coils 230, 240 less susceptible to tension. Specifically, the radial distribution of the anchor blocks 304a-f controls the winding of the control lines of the internal and external control line coils 230, 240. This helps to prevent bundling or control lines trying to slide through or on top of other lines of control. Anchor blocks 304a-f and control line accessories 270 secure the control lines to the upper bushing 250 and transfer the tension from the control line coils 230, 240 to the upper bushing 250. As a result, straight line lengths control units 235, 245 are isolated from the tension resulting from the weight of the control lines and the stiffness of the coils 230, 240 (acting as a spring) when the displacement joint assembly 23 extends. The tension in the straight lengths of the control line 235, 245 can cause the control lines 230a-c, 240a to slip out of the control line accessory 270 and start to leak. If one of the control lines slips from the control line accessory 270, the control line coils 230, 240 may become misaligned and start to interfere with each other. The specific distribution configuration of the anchor blocks 304a-f illustrated in Figures 3A and 3B is shown for illustrative purposes only. The distribution of anchor blocks 304a-f along the outer perimeter of the upper bushing 250 can be changed without departing from the scope of the present disclosure.
    [0040] Figure 4 represents a close view of an anchor block 304 used in conjunction with the displacement joint assembly 23 according to an embodiment of the present disclosure. Anchor block accessories 306 can be installed to anchor the straight length of control lines 235, 245 to an opening 402 of anchor block 304. In certain embodiments, anchor block 304 can have multiple accessories (for example, accessories HIF or wide HIF accessories) to hold multiple control lines in place. Anchor block accessories 306 can be made of any suitable material. For example, in certain implementations, anchor block accessories 306 can be made of nickel alloy steel (Inconel), stainless steel, alloy steel or a combination thereof. As discussed above and shown in Figures 3A and 3B, anchor blocks 304 can be configured to rest on a corresponding recess 504 of the upper bushing 250.
    [0041] Figures 5A and 5B represent a perspective view of a lower portion of the displacement joint assembly 23 according to an illustrative embodiment of the present disclosure. The control lines 230a-c of the internal control line coil 230 are supported by the lower bushing 280. In certain implementations, the control lines 230a-c can transition from the internal control line coil 230 to the corresponding straight line length control lines 235a, 235b, 235c passing under a clamp 520. Each of the straight lengths of control line 235a, 235b, 235c can be anchored and sealed to the lower sub 295 by a corresponding control line accessory 270.
    [0042] In the lower portion the displacement joint assembly 23, as with the upper portion, the external control line coil 240 passes over the internal control line coil 230. As shown in Figure 5B, the external control line coil external control 240 can be supported by the lower bushing 280 and the external surface of the clamp 520. The external control line can transition from the external control line coil 240 to the straight length of the control line 245 and can be fixed by any appropriate means known to those skilled in the art. For example, in certain embodiments, the straight length of the control line 245 can be fixed by a first clamp 530 and a second clamp 540. The straight length of the control line 245 can be fixed in a sealed manner to the lower sub 295 by an accessory control line 270. The clamp 540 can align the straight length of the control line 245 with the control line accessory 270. The clamp 530 can hold the clamp 540 in place and be fixed to the lower bushing 280 by one or more fasteners .
    [0043] Like the upper bushing 250, the lower bushing 280 can separate the four control lines 230a-c, 240a and prevent them from bundling or rubbing while moving. Figure 5A illustrates three control line accessories 270, where the internal control lines 230a-c pass to the lower sub 295. Likewise, the control line of the external control line coil 240 can pass to the lower sub 295 through a control line accessory 270. In certain implementations, the control line accessories 270 can be HIF accessories. The control line accessories 270 are able to isolate the pipe pressure from the annular pressure when the displacement joint assembly 23 is extended.
    [0044] Therefore, each of the inner control line coil 230 and the outer control line coil 240 is wound around an outer surface of the inner mandrel and includes a first portion located above the hole in relation to the upper bushing and a second portion located down the hole in relation to the lower bushing. The first portion and the second portion of the internal control line coil 230 and the external control line coil 240 are separated by an internal straight length of the control line 235 and an external straight length of the control line 245. The distal ends the internal straight length of the control line 235 and the external straight length of the control line 245 are coupled to the upper bushing 250 and the lower bushing 280 using a fastener. For example, in certain implementations, anchor blocks 304 and control line accessories 270 can be used to couple the internal straight length of the control line 235 and the external straight length of the control line 245 to the upper bushing 250. From likewise, the control line accessories 270 and one or more clamps 520, 530, 540 can be used to couple the internal straight length of the control line 235 and the external straight length of 245 to the lower bushing 280. This configuration minimizes the tension in the internal control line coil 230 and in the external control line coil 240 when the displacement joint assembly 23 moves between its extended and compressed position. Accordingly, the method and system disclosed herein can be used to effectively transmit any desired signals from a first axial location along a well bore to a second axial location thereof through a displacement joint that is movable between a position expanded and contracted. Specifically, anchor blocks 304a-f and clamps 520, 530, 540 couple the control lines of the internal control line coil 230 and the external control line coil 240 to the upper bushing 250 and the lower bushing 280. This configuration isolates the tension of the expanding and contracting control lines, as well as the weight of the control lines. Therefore, the control line accessories 270 that provide a pressure seal on the upper sub 260 and the lower sub 295 remain static and are therefore insulated from voltage.
    [0045] Although the present invention is discussed in conjunction with a configuration having two control line coils 230, 240, a different number of control line coils can be used without departing from the scope of the present disclosure. Specifically, in other embodiments, three or more control line coils can be used in a similar way. Alternatively, in certain implementations, a single control line coil can be used without departing from the scope of the present disclosure. For example, any of the internal control line coil 230 or the external control line coil 240 can be eliminated.
    [0046] In addition, this disclosure is not limited to any specific borehole orientation. Specifically, the methods and systems disclosed herein are equally applicable to well holes having any orientation including, but not limited to, vertical well holes, inclined well holes or multilateral well holes. Therefore, directional terms such as "above", "below", "top", "bottom", "up", "down", "hole above" and "hole below" are used for illustrative purposes only for describe the illustrative modalities as they are represented in the figures. In addition, although an offshore operation is represented in the illustrative form of Figure 1, the methods and systems disclosed here are equally applicable to operations onshore. In addition, the methods and systems disclosed herein are equally applicable to a coated hole completion or an open hole completion without departing from the scope of this disclosure.
    [0047] The present invention is, therefore, well adapted to achieve the objectives and achieve the mentioned ends, as well as those that are inherent in it. Although the invention has been represented, described and defined by reference to examples of the invention, such reference does not imply a limitation of the invention and no such limitation will be inferred. The invention is capable of considerable modifications, alterations and equivalents in form and function, as will occur for those ordinarily skilled in the art having the benefit of this disclosure. The examples shown and described are not exhaustive of the invention. Consequently, the invention is intended to be limited only by the spirit and scope of the appended claims, giving full knowledge of equivalents in all aspects.
    权利要求:
    Claims (13)
    [0001]
    1. Displacement joint assembly (23), comprising: an internal mandrel (210); an upper bushing (250) and a lower bushing (280) extending along an external surface of the internal mandrel (210); an internal control line and an external control line; where a straight length of the internal control line (235) is coupled to the upper bushing (250) by a first anchor block (304) before bending and becomes an internal control line coil (230), the control line internal control being wrapped around the internal mandrel (210) and extended through the lower bushing (280) after which the internal control line becomes another straight length of the internal control line (235); and, a straight length of the external control line (245) is coupled to the upper bushing (250) by a second anchoring block (304) before bending and becomes an external control line coil (240), the control line external control being wound around the internal mandrel (210) and extended through the lower bushing (280) after which the external control line becomes another straight length of the external control line (245); characterized by the fact that each of the internal control line coil (230) and the external control line coil (240) is supported radially by a corresponding external surface (310, 320) of the upper bushing (250).
    [0002]
    2. Displacement joint assembly (23) according to claim 1, characterized by the fact that at least one of the internal control line and the external control line comprises a plurality of control lines coupled to the upper bushing (250) by a plurality of first and second anchor blocks.
    [0003]
    3. Displacement joint assembly (23), according to claim 1, characterized by the fact that the inner control line coil (230) is wound around the inner mandrel (210) and the outer control line coil (240) is around the inner control line coil (230), optionally in opposite directions.
    [0004]
    4. Displacement joint assembly (23), according to claim 1, characterized by the fact that it also comprises an upper sub (260) coupled to the upper bushing (250) and a lower sub (295) coupled to the lower bushing (280 ), preferably in which at least one control line accessory (270) is coupled to at least one of the upper sub (260) and the lower sub (295).
    [0005]
    Displacement joint assembly (23) according to any one of claims 1 to 4, characterized by the fact that the first anchoring block (304) is positioned in a first radial position along an external perimeter of the upper bushing ( 250) and the second anchoring block (304) is positioned in a second radial position along the outer perimeter of the upper bushing (250).
    [0006]
    Displacement joint assembly (23) according to claim 5, characterized by the fact that the upper bushing (250) comprises a recess, in which at least one of the first anchoring block (304) and the second anchoring block (304) is inserted into the recess.
    [0007]
    Displacement joint assembly (23) according to claim 1, characterized by the fact that at least one of the first anchor block (304) and the second anchor block (304) comprises an anchor block accessory.
    [0008]
    8. Displacement joint assembly (23) according to claim 1, characterized by the fact that a clamp (520) engages at least one of the internal straight length of the control line and the external straight length of the control line external to the bushing bottom (280).
    [0009]
    9. Method for disposing an internal control line and an external control line along a displacement joint, the method comprising: coupling an internal mandrel (210) to an upper bush (250) and a lower bush (280) ; connect a straight length of the internal control line (235) to the upper bushing (250) by a first anchoring block (304) and a straight length of the external control line (245) to the upper bushing (250) by a second block of anchoring anchoring; double the straight length of the internal control line (235) in a corresponding internal control line coil (230) and the straight length of the external control line (245) in a corresponding external control line coil (240); winding the inner control line coil (230) and the outer control line coil (240) around the inner mandrel (210); extending the internal control line coil (230) and the external control line coil (240) through the lower bushing (280); bend the internal control line coil (230) and the external control line coil (240) in another straight length of the internal control line (235) and another straight length of the external control line (245); the method characterized by still comprising: radially supporting the internal control line coil (230) and the external control line coil (240) by a corresponding external surface (310, 320) of the upper bushing (250).
    [0010]
    10. Method according to claim 9, characterized by the fact that coupling a first distal end of the straight length control line to the upper bushing (250) comprises coupling an anchoring block to the upper bushing (250) and arranging the first end distal from the straight length control line within the anchor block, preferably in which coupling the anchor block to the upper bushing (250) comprises inserting the anchoring block in a recess formed on an external surface of the upper bushing (250).
    [0011]
    Method according to claim 9, characterized in that coupling a second distal end of the straight length control line to the lower bushing (280) comprises using at least one clamp (520) to couple the second distal end of the line length control unit to the lower bushing (280).
    [0012]
    12. Method according to claim 9, characterized in that it further comprises winding the inner control line coil (230) around the inner mandrel (210) and winding the outer control line coil (240) around of the internal control line coil (230) in a direction opposite to the winding of the internal control line coil (230).
    [0013]
    13. Method according to claim 9, characterized in that it also comprises coupling at least one of the straight lengths of the internal and external control lines to at least one pressure-sealed control line accessory.
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    同族专利:
    公开号 | 公开日
    EP2959097A1|2015-12-30|
    EP2959097B1|2018-04-18|
    US20150204145A1|2015-07-23|
    BR112015015593A2|2017-07-11|
    CA2898734C|2020-08-04|
    CA2898734A1|2014-08-28|
    EP2959097A4|2017-02-08|
    WO2014130032A1|2014-08-28|
    US9976361B2|2018-05-22|
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    法律状态:
    2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|
    2020-02-27| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|
    2020-09-29| B09A| Decision: intention to grant|
    2020-12-08| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 21/02/2013, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    PCT/US2013/027074|WO2014130032A1|2013-02-21|2013-02-21|Method and system for directing control lines along a travel joint|
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