• 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:
    screen assembly for production from at least one underground zone The present invention relates to a modular screen system that allows connection of screens using couplings that connect the annular space in each module between the screen material and the base pipe . a series of screens and connected couplings fed into a single valve to control flow through many screens. The valve is preferably located in a coupling and passages through the coupling or screen may also accommodate instrumentation for detecting, storing or transmitting well data or flows through the various screen modules.
    公开号:BR112012002279B1
    申请号:R112012002279-2
    申请日:2010-07-19
    公开日:2019-06-25
    发明作者:Aaron C. Hammer；Nicholas J. Clem；Edward J. O'Malley
    申请人:Baker Hugues Incorporated；
    IPC主号:
    专利说明:

    Report of the Invention Patent for "SCREEN SET FOR PRODUCTION FROM AT LEAST ONE UNDERGROUND ZONE".
    FIELD OF THE INVENTION
    The present invention relates to multi-zone binding screen assemblies and more particularly modular screen components that can be assembled with coupling where the couplings can control flow through screens in a given zone. BACKGROUND OF THE INVENTION
    [0002] In conclusions that bind multiple zones, a series of screens is often positioned in each of the zones. Zones are typically insulated with conditioners and are individually acclimatized fractured and gravelly generally at a bottom of well in the upward direction. In the past a given zone might be long enough to guarantee the use of multiple screen sections. Typically, each of these screen sections has a base pipe under the screen material and a valve, typically a sliding sleeve, associated with each section of screen. The annular space between the screen material and the base pipe for each screen section was sealed at opposite ends in a given screen section and the only access in the base pipe for the production flow to the surface was the sleeve valve slider in each of the sections.
    This configuration required multiple sliding sleeve valves that had to be operated and flow flow issues were created within a given zone. This leads to a concept of connecting the annular spaces between adjacent screens through the use of door couplings. This, in essence, made the various independent screens work more similar to a single screen. A number of US patents illustrate the bond wire path between the annular flow areas between the screen and its respective base tubing, and these are 6,405,800 and 7,048,061. USP 6,752,207 shows a way of hooking diverting tubes together from the outside of the screen sections through coupling. US Pat. Nos. 6,464,006 and 5,865,251 disclose gravel conditioning systems using screens with slip sleeves which are removable, such as when a washing tubing with a spacing tool is withdrawn from the screen assembly. USP 7,451,816 uses baseline openings in screens which can be covered as an aid for deposition of gravel in a surrounding ring.
    Although several designs connecting annular screen spaces through connecting wire lines and couplings between the screen sections, the base pipes continued to secure the sliding gloves so that there were still as many sliding gloves to operate as to completely open an area. The other persistent issue of the foregoing drawings with the location of the sliding gloves within the flow orifice of the base tubing and directly under the screen assembly covering the base tubing was that the resulting flow area or mandrel size of the screen section was reduced which limited the size of tools they could reach across a given screen as well as created flow constrictions that could limit production or require the use of artificial lift techniques that consume additional energy and create other costs for acquisition and installation.
    The present invention addresses these and other issues by placing the access valves in the couplings where there is generally more room to locate the valve structure because the outer dimension of the coupling does not have to have the overlying fabric structure therein. In addition, a single valve can connect all screens in a given zone so as to provide access to the entire zone for flow or insulation to be faster. The cost of the equipment is reduced as much as the risk of a malfunction. The flow is not constricted with the valve assembly located in a coupling. The passages between the screen sections involving the couplings may also be the site for a variety of instruments which can detect good conditions and flow through the screen sections to mention a few examples. These and other aspects of the present invention will become more apparent to those skilled in the art from an examination of the description of the preferred embodiment and the accompanying drawings although it is understood that the entire scope of the invention is determined by the appended claims.
    SUMMARY OF THE INVENTION
    A modular screen system allows connection of screens using couplings that connect the annular space in each module between the screen material and the base tubing. A series of connected screens and couplings feeds into a single valve to control flow through many screens. The valve is preferably located in a coupling and the passages through the coupling or the screen may also accommodate instrumentation for detecting, storing or transmitting the data well or proceeding through the various display modules. BRIEF DESCRIPTION OF THE DRAWINGS
    Figure 1 is a cross-sectional view of a screen module;
    Figure 2 is the cross-sectional view through line 2-2 of Figure 1;
    Figure 3 is a perspective view of the display module of Figure 1;
    Figure 4 is a cross-sectional view of a coupling without a valve therein;
    Figure 5 is a cross-sectional view along lines 5-5 of Figure 4;
    Figure 6 is a cross-sectional view of a coupling with a sliding sleeve valve shown therein in the open position;
    Figure 7 is a section through line 7-7 of Figure 6;
    Figures 8a-8b illustrate a section through a set of screens showing both kinds of couplings with one slide sliding in the closed position and another in the open position; Figure 9 is a section through a coupling schematically showing an instrument in the flow path of the coupling which connects the annular space in adjacent screens. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A display module 10 is shown in Figures 1-3. It has a solid base pipe 12 defining a continuous passageway 14. A series of parallel edges 16 retains a wire winding screen 18 which coats the edges 16 creating parallel passages 20 that go under the screen 18. Although a style 18 is illustrated, those skilled in the art will appreciate that other types of screens may be used depending on the specific requirements of the application. For clarity, only one end ring 22 is shown that is welded at 24 to the right of the screen 18. Figures 8a-8b show a complete display module 10 illustrating the symmetry of the structure using the end ring 26 welded at 28 for the screen 18. Figure 2 shows a cross-sectional view through the end ring 22 showing passages 30 which preferably are in alignment with passages 20 between the edge wires 16. The passages 30 in the array may have different cross sectional flow areas in different modules to serve as flow control devices for flow balancing between modules 10. Alternatively, all modules may be identical and flow control for flow balance can be achieved in other ways.
    The end ring 22 has an end 32 against which it limits the housing 34 of a coupling 36. The same occurs in the end ring 26, but with a different coupling 36. Referring now to Figures 4 and 5, the coupling 36 has a body 38 which has threads 40 and 42 at opposite ends. The housing 34 has a plurality of passages 44 which are in flow communication with the passages 30 through an annular space 46 formed when the housing 34 is attached to the end 32 since the thread 40 is composed of the thread 48 of the fabric module 10 shown in Figure 1. The flow area in the aggregate between the passages 30 and 44 may be in different proportions in screen modules 10 so that the flow area differences may serve as a form of influx control device for balancing the flow between the modules 10 in a given zone.
    Another type of coupling 50 is shown in Figures 6 and 7. It has a housing 52 and threads 54 and 56 at opposite ends. An outer housing 60 has a series of passages 62 extending from the end 64 to the end 66. The passages 62 may also serve as influx control devices for balancing the flow between the display modules 10 in a given area. A sliding sleeve 68 is positioned between the shoulders 70 and 72 to define opposing travel limits. A plurality of apertures 74 in the sliding sleeve 68 is shown aligned with apertures 76 in the housing 52. In that position there is a possible flow between the passageway 62 and the main port 78 in the housing 52. The seals 80 and 82 are spaced far enough away that the openings 76 may be closed when the sliding sleeve 68 is moved away, so that the seals 80 and 82 span the apertures 76. The closed position is shown in Figure 8a. It will be appreciated that, as shown in Figure 6, the diameter of the mandrel 84 is a minimum diameter through the housing 52 and that such a diameter is not reduced by the inner diameter 86 of the sleeve 68.
    While the valve is illustrated as a sliding sleeve 68, other variations are envisaged. Glove 68 may be rotated to open and close apertures 76. Alternatively, pressure or temperature or other types of aperture plugs 76 may be used which, for example, may be responsive to applied pressure cycles and removed to move between open and such as in conjunction with a slit mechanism in j. Alternatively, the valve member may be responsive to the production of certain fluids such as water or gas to go into the closed position.
    Figures 8a-8b show a total system with the couplings 50 incorporating sliding gloves 68 at opposite ends of Figure 8. In Figure 8a the apertures 76 are closed as seals 80 and 82 mounted to the connection aperture 76 for the sleeve slider 68. In Figure 8a the apertures 74 and 76 are aligned such that the flow represented by the arrows 88 can enter the main hole 78 to reach the surface (not shown). It will be appreciated that in Figures 8a-8b there are three display modules 10 of the type shown in Figures 1-3 and are labeled in Figures 8a-8b as 90, 92 and 94. The flow of the formation represented by the arrows 96 skirts the closed aperture 76 and can first enter the screen 90. The arrows 96 and 98 illustrate the flow that has started from the annular space 100 and passed through the screen 90. The annular space 100 at that time is preferably filled with gravel. It is noted that the flow indicated by the arrow 98 is toward the open coupling 50 which has a slide valve 68 in Figure 8b. The influx of screens 92 and 94 mixes with the incoming stream through the screen 90 and the entire flow terminates in the apertures 76 in Figure 8b since there is a dead end 102 further from the apertures 76 in Figure 8b. In the illustrated example, a single coupling 50 in Figure 8b controls the incoming flow of the three screens 90, 92 and 94. Those skilled in the art will appreciate that any number of screens in a given isolated zone can be tied together at forming pressure, size of the flow passages between the screens, the length of a zone and the distance to the surface, as well as the size of tubes for the production column to the surface to mention a little of the variables. However, the system shown in Figures 8a-8b enables valve savings since a single valve can control an entire inflow zone which may have many modules of screen sections therein. In addition, the mandrel 84 is not reduced or reduced less than it would have been if the slide gloves had been aligned with a display module 10. Because the slide gloves 68 are in a coupling 50 rather than in a display module 10 the negative impact on the mandrel is less severe or non-existent. It will be appreciated that the coupling 36 or 50 has no welding. This is notable because such couplings are composed in the field where the welding equipment and welding equipment may not be present. Although the screen modules have welds 24 and 28 for securing the end rims 22 and the end ring 26 to the screen material 18 such welds are made in the skilled house where the screen modules 10 are manufactured under controlled conditions. In the field, pliers are used by the framing team to thread the display modules 10 together using the coupling 36 or 50. It is noted that the outer housings 34 or 60 preferably support at their ends for end rims on the display modules 10. A leaktight connection is not critical since no gravel in the annular space 100 can infiltrate and bypass sieving into screens such as 90, 92 and 94. A single zone may have only one screen module 10 connected by a coupling with valve 50 or many screen sections 10 connected by valve coupling 36 with one or more valve couplings 50 anywhere in the zone or each at one end or anywhere in the middle. The aim is to connect the screens 10 and produce all of a given zone through at least one valve coupling such as 50. The zones may be insulated with a variety of conditioners either at the opposite end or at one end if the zone is for the bottom of the hole.
    Figure 9 shows a screen such as 90 with an associated end ring 22 defining the inner passages 30. Schematically illustrated as 104 is one of many instruments that may be associated with passageway 30 for a variety of purposes such as flow measurement or control, pH, temperature, properties of the fluids produced such as density, viscosity or pressure to mention a few. It may also be a flow control device which may be varied in conjunction with or independently of the sliding sleeve position and based on well properties of the fluid. Such data can be reported or transmitted to the surface in real time via cables, conduits or even acoustically through fluids from the well or from the production column itself. The instruments can be combined with flow control devices to balance the flow between screen sections or combined with control devices for chemical injection simulation. Energy can be supplied to such sensors or instruments or they can be energized with locally mounted batteries. Energy could be generated with some property of the fluid that is flowing. Other mounted passage devices may be oil and water separators or oil and gas or such passages may be incorporated into gravel conditioning or fracture operations to return when depositing external gravel screens or to deliver fracture fluids through the screens . Item 104 could be part of the base tubing or a separate module that connects the screen via a threaded connection. A centralizer 105 could be included as part or the display module, the coupling or as a module between them. The sliding gloves 68 may be operated with work spindle tools, hydraulic control lines or electric motors, to mention a few variations. The flow in the passages leading to the apertures 76 may be in one direction or in two directions. Such passages may be used as return passages during gravel deposition or for fracture.
    The above description is illustrative of the preferred embodiment and many modifications may be made by those skilled in the art without departing from the invention the scope of which is to be determined from the literal and equivalent scope of the claims below.
    权利要求:
    Claims (22)
    [1]
    A screen assembly for producing from at least one underground area, characterized in that it comprises: at least one screen module (10, 18, 90, 92, 94) comprising a base pipe (12) and a filtration assembly mounted on said base pipe (12) to define at least one flow path of screen therebetween, said filtration assembly having opposing ends (32, 64, 66) extending between the end connections of said base tube; at least one coupling (36, 50) connected to said screen module (10, 18, 90, 92, 94) at one of said end connections and further comprising at least one coupling flow path in flow communication with said screen flow path when said coupling (36, 50) is mounted to said screen module (10, 18, 90, 92, 94), said coupling (36, 50) defines an extension of said flow path of said filter assembly; said base tubing (12) and coupling (36,50), when also mounted comprising a production flow path from the subterranean zone separated from said screen flow and coupling flow paths; and a valve assembly in said coupling (36, 50) to provide selective access between said coupling flow path and said production flow path.
    [2]
    Assembly according to claim 1, characterized in that: said production flow path comprises a mandrel diameter (84) and said valve assembly comprises a valve member which does not reduce said mandrel diameter (84).
    [3]
    Assembly according to claim 1, characterized in that: said coupling (36, 50) comprises an inner coupling housing (34, 52) and a surrounding external coupling housing (60), said housing ( 34, 52) secured to said base pipe (12) by threading which threading puts said outer or inner coupling housing (34, 52, 60) in contact with said filter assembly for an extension of said path of the screen flow in said filter assembly.
    [4]
    A screen assembly for producing from at least one underground zone, characterized in that it comprises: at least one screen module (10, 18, 90, 92, 94) comprising a base pipe (12) and a filtration assembly mounted on said base pipe (12) to define at least one flow path of the screen therebetween; at least one coupling (36, 50) connected to said screen module (10, 18, 90, 92, 94) and further comprising at least one coupling flow path in flow communication with said screen flow path when said coupling (36, 50) is mounted to said screen module (10, 18, 90, 92, 94); said base tubing (12) and coupling (36,50), when also mounted comprising a production flow path from the underground zone separated from said coupling flux and flow paths; a valve assembly in said coupling (36, 50) to provide selective access between said coupling flow path and said production flow path; said coupling (36,50) comprises an inner coupling housing (34, 52) and a surrounding external coupling housing (60), said inner coupling housing (34, 52) secured to said base pipe (12) by threading which threading puts said external or internal coupling housing (34, 52, 60) in contact with said filter assembly; said filtration assembly comprises a screen supported in a spaced relationship to the base pipe (12) and opposing end rims (22) secured to said screen with grooves in said rims facing said base pipe (12) to define part of said screen flow path.
    [5]
    An assembly according to claim 4, characterized by: said housing (34, 52, 60) for external or internal coupling limiting said end ring (26) when said coupling (36, 50) is threaded to said tubing of the base (12).
    [6]
    Assembly according to claim 1, characterized in that: said base pipe (12) has no openings (74, 76) directly to said production flow path but is indirectly connected to said flow path of production only through said flow port (74, 76) in said valve assembly.
    [7]
    A screen assembly for producing from at least one underground area, characterized in that it comprises: at least one screen module (10, 18, 90, 92, 94) comprising a base pipe (12) and a filtration assembly mounted on said base pipe (12) to define at least one flow path of the screen therebetween; at least one coupling (36, 50) connected to said screen module (10, 18, 90, 92, 94) and further comprising at least one coupling flow path in flow communication with said screen flow path when said coupling (36, 50) is mounted to said screen module (10, 18, 90, 92, 94); said base tubing (12) and coupling (36,50), when also mounted comprising a production flow path from the subterranean zone separated from said screen flow and coupling flow paths; a valve assembly in said coupling (36, 50) to provide selective access between said coupling flow path and said production flow path; said base tubing (12) has no openings (74, 76) directly to said production flow path but is indirectly connected to said production flow path only through said flow aperture (74, 76) in said flow path valve assembly. said at least one coupling (36, 50) comprises a plurality of couplings (36, 50) without a valve assembly connecting a plurality of screen modules without access to said production flow path and at least one coupling (36, 50) comprising said valve assembly for providing access through said at least one valve assembly to multiply said screen assemblies in a region for said production flow path.
    [8]
    Assembly according to claim 1, characterized in that it further comprises: at least one control instrument or device in said screen flow path or in said coupling flow path for measuring a condition in the zone or regulating the flow in said zone.
    [9]
    Assembly according to claim 3, characterized in that: said outer coupling housing (60) comprises a plurality of grooves facing said inner coupling housing (34, 52) for defining said coupling flow paths coupling.
    [10]
    A fabric assembly for producing from at least one underground zone, characterized in that it comprises: at least one screen module (10, 18, 90, 92, 94) comprising a base pipe (12 ) and a filtration assembly mounted on said base pipe (12) to define at least one flow path of the screen therebetween; at least one coupling (36, 50) connected to said screen module (10, 18, 90, 92, 94) and further comprising at least one coupling flow path in flow communication with said screen flow path when said coupling (36, 50) is mounted to said screen module (10, 18, 90, 92, 94); said base tubing (12) and coupling (36,50), when also mounted comprising a production flow path from the underground zone separated from said coupling flux and flow paths; and a valve assembly in said coupling (36, 50) to provide selective access between said coupling flow path and said production flow path; said coupling (36,50) comprises an inner coupling housing (34, 52) and a surrounding external coupling housing (60), said inner coupling housing (34, 52) secured to said base pipe (12) by threading which thread locates said outer or inner coupling housing (34, 52, 60) in contact with said filter assembly; said outer coupling housing (60) comprises a plurality of grooves facing said inner coupling housing (34, 52) to define said coupling flow paths; said filtration assembly comprises a screen supported in spaced relation to said base pipe (12) and opposed end rims (22) secured to said screen with grooves in said rims facing said base pipe (12) to define part of said screen flow path.
    [11]
    An assembly according to claim 10, characterized in that: said outer or inner coupling housing (34, 52, 60) and an end ring (26), when limiting, defines an annular space (46) between said axial grooves in said outer coupling housing (60) and said end ring (26) such that fluid communication is maintained through said annular space (46) independent of the circumferential relative position of said grooves on opposite sides of said annular space (46).
    [12]
    Assembly according to claim 5, characterized in that: said outer coupling housing (60) when limiting said end ring (26) does not overlap said end ring (26).
    [13]
    An assembly according to claim 12, characterized in that: said outer coupling housing (60) when limiting said end ring (26) is not welded (24, 28) to said end ring (26) .
    [14]
    An assembly according to claim 4, characterized in that: said screen comprises a plurality of axially oriented edge wires in said base pipe (12) supporting a wire winding serving as said screen, (16) defining the fabric flow paths under said yarn winding continuing in said end rims (22).
    [15]
    Assembly according to claim 14, characterized in that: said end rims (22) are welded (24, 28) to said yarn winding.
    [16]
    An assembly according to claim 1, characterized in that: said valve assembly comprises a selectively movable valve member for aligning or misaligning at least one aperture (74, 76) in said coupling (36, 50) with the production flow path.
    [17]
    An assembly according to claim 16, characterized in that: said valve member comprises a sleeve (68) with apertures (74, 76) joined by seals (80, 82) engaging said production flow path wherein said sleeve (68) moves away or rotates.
    [18]
    An assembly according to claim 1, characterized in that: said coupling flow screen or paths have different cross-sectional flow areas for balancing the flow between or in the middle of screen modules in an area.
    [19]
    Assembly according to claim 17, characterized in that: said production flow path has a diameter of the mandrel (84) and said sliding sleeve (68) does not reduce said diameter of the mandrel (84).
    [20]
    Assembly according to claim 1, characterized in that: said coupling (36, 50) further comprises a centralizer (105).
    [21]
    A screen assembly for producing from at least one underground area, characterized in that it comprises: at least one screen module (10, 18, 90, 92, 94) comprising a base pipe (12) and a filtration assembly mounted on said base pipe (12) to define at least one flow path of the screen therebetween; at least one coupling (36, 50) connected to said screen module (10, 18, 90, 92, 94) and further comprising at least one coupling flow path in flow communication with said flow path when said coupling (36, 50) is mounted to said screen module (10, 18, 90, 92, 94); said base tubing (12) and coupling (36,50), when also mounted comprising a production flow path from the underground zone separated from said coupling flux and flow paths; and a valve assembly in said coupling (36, 50) to provide selective access between said coupling flow path and said production flow path; said filtration assembly comprises a screen supported in spaced relation to said base pipe (12) and opposed end rims (22) secured to said screen with grooves in said rims facing said base pipe (12) to define part of said screen flow path.
    [22]
    Assembly according to claim 21, characterized in that: said passageway (20, 30, 44, 62) in said opposing end rims (22) comprises slots in said rims facing said base pipe (12) to define part of said screen flow path.
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    US9725991B2|2014-09-16|2017-08-08|Halliburton Energy Services, Inc.|Screened communication connector for a production tubing joint|
    GB2556705B|2015-08-21|2019-12-04|Halliburton Energy Services Inc|Double wall pipe connection system|
    WO2017119864A1|2016-01-04|2017-07-13|Halliburton Energy Services, Inc.|Connecting a transducer to a cable without physically severing the cable|
    MX2018008883A|2016-02-01|2018-09-12|Welltec As|Downhole completion system.|
    US10233725B2|2016-03-04|2019-03-19|Baker Hughes, A Ge Company, Llc|Downhole system having isolation flow valve and method|
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    法律状态:
    2016-09-20| B08F| Application fees: application dismissed [chapter 8.6 patent gazette]|Free format text: REFERENTE A 5A ANUIDADE. |
    2017-01-03| B08G| Application fees: restoration [chapter 8.7 patent gazette]|
    2017-01-10| B08K| Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]|Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2385 DE 20-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |
    2017-01-31| B08H| Application fees: decision cancelled [chapter 8.8 patent gazette]|
    2018-11-13| B06T| Formal requirements before examination [chapter 6.20 patent gazette]|
    2019-01-15| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-02-19| B06A| Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]|
    2019-06-11| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2019-06-25| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 19/07/2010, OBSERVADAS AS CONDICOES LEGAIS. (CO) 20 (VINTE) ANOS CONTADOS A PARTIR DE 19/07/2010, OBSERVADAS AS CONDICOES LEGAIS |
    优先权:
    申请号 | 申请日 | 专利标题
    US12/533,151|US8225863B2|2009-07-31|2009-07-31|Multi-zone screen isolation system with selective control|
    US12/533,151|2009-07-31|
    PCT/US2010/042406|WO2011014376A2|2009-07-31|2010-07-19|Multi-zone screen isolation system with selective control|
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