A downhole tool (10) and method for controlling fluid flow into and/or from a formation zone (FZ), the downhole tool (10) comprising a sliding sleeve device (12) disposed between, and forming a fluid coupling between a first screen (14) and a second screen (16), the sliding sleeve device (12) config
A downhole tool (10) and method for controlling fluid flow into and/or from a formation zone (FZ), the downhole tool (10) comprising a sliding sleeve device (12) disposed between, and forming a fluid coupling between a first screen (14) and a second screen (16), the sliding sleeve device (12) configured to provide axial fluid communication between the screens (14, 16) and to provide selective lateral passage of fluid through the screens (14, 16) into a throughbore (24,36,42) of the downhole tool (10).
대표청구항▼
1. A downhole tool comprising: a screen comprising a first tubular disposed around a second tubular, an annulus provided within the screen between the first tubular and the second tubular, wherein the first tubular is a permeable tubular member of the screen and the second tubular is a solid tubular
1. A downhole tool comprising: a screen comprising a first tubular disposed around a second tubular, an annulus provided within the screen between the first tubular and the second tubular, wherein the first tubular is a permeable tubular member of the screen and the second tubular is a solid tubular base pipe of the screen, the second tubular being non-permeable to lateral passage of fluid; anda flow control apparatus or arrangement comprising a sleeve, the sleeve comprising a mandrel and a housing and an annulus between the mandrel and the housing,wherein the flow control apparatus or arrangement is configured to selectively prevent passage of fluid outwards through the screen by selectively preventing fluid communication between a throughbore of the downhole tool and the annulus between the first tubular member and the second tubular member; and/or wherein the flow control apparatus or arrangement is configured to selectively prevent passage of fluid into the throughbore of the downhole tool by selectively preventing fluid communication between the annulus and the throughbore. 2. The tool of claim 1, wherein the flow control apparatus or arrangement is configured to provide a fluid flow path for directing the fluid between the annulus and a port. 3. The tool of claim 1, wherein the tool comprises a plurality of the screens. 4. The tool of claim 3, wherein the flow control apparatus or arrangement is configured to provide fluid communication between the annuli of adjacent screens of said plurality of screens. 5. The tool of claim 3, wherein the flow control apparatus or arrangement is configured to provide a fluid flow path for directing the fluid disposed in the annuli of said plurality of screens, to a port. 6. The tool of claim 3, wherein the flow control apparatus or arrangement is coupled between adjacent screens of said plurality of screens. 7. The tool of claim 1, wherein the flow control apparatus or arrangement comprises a coupling and the screen is coupled to the flow control apparatus or arrangement. 8. The tool of claim 1, wherein the sleeve comprises a sliding sleeve member. 9. The tool of claim 1, comprising a flow restrictor. 10. The tool of claim 9, wherein the flow restrictor is configured or positioned to alter the pressure of a fluid flow at a selected location or locations in the downhole tool. 11. The tool of claim 9, wherein the flow restrictor is disposed in a sleeve. 12. The tool of claim 9, wherein the flow restrictor comprises a nozzle arrangement. 13. The tool of claim 1, comprising a valve arrangement configurable between an open configuration and a closed configuration. 14. The tool of claim 13, wherein the valve arrangement comprises at least one closure member. 15. The tool of claim 14, wherein the valve arrangement is configured to move the at least one closure member axially to move the valve arrangement between the open configuration and the closed configuration. 16. The tool of claim 14, wherein the valve arrangement is configured to move the at least one closure member radially to move the valve arrangement between the open configuration and the closed configuration. 17. The tool of claim 14, wherein the at least one closure member comprises a fluid actuated piston. 18. The tool of claim 13, wherein the valve arrangement comprises a fluid conduit or gallery for permitting axial passage of fluid through an annulus of the downhole tool when the valve arrangement is configured in the closed configuration. 19. The tool of claim 1, wherein the mandrel of said sleeve is configured to be coupled at an uphole end to the second tubular of the screen and the housing of said sleeve is configured to be coupled at an uphole end to an end ring of the screen. 20. A method for controlling fluid flow into and/or from a formation, the method comprising: providing a downhole tool comprising a screen and a flow control apparatus or arrangement, wherein the screen comprises a first tubular member disposed around a second tubular member, and an annulus is provided within the screen between the first tubular member and the second tubular member, wherein the first tubular is a permeable tubular member of the screen and the second tubular is a solid tubular base pipe of the screen, the second tubular being non-permeable to lateral passage of fluid,wherein the flow control apparatus or arrangement comprises a sleeve, the sleeve comprising a mandrel and a housing and an annulus between the mandrel and the housing; andconfiguring the flow control apparatus or arrangement of the downhole tool to selectively prevent passage of fluid through the screen of the downhole tool by selectively preventing fluid communication between a throughbore of the downhole tool and the annulus between the first tubular member and the second tubular member; and/or by selectively preventing passage of fluid into the throughbore of the downhole tool by selectively preventing fluid communication between the annulus and the throughbore. 21. A downhole tool comprising: a screen comprising a first tubular disposed around a second tubular, an annulus provided within the screen between the first tubular and the second tubular, wherein the first tubular is a permeable tubular member of the screen and the second tubular is a solid tubular base pipe of the screen, the second tubular being non-permeable to lateral passage of fluid;a flow control apparatus or arrangement, wherein the flow control apparatus or arrangement is configured to selectively prevent passage of fluid outwards through the screen by selectively preventing fluid communication between a throughbore of the downhole tool and the annulus between the first tubular member and the second tubular member; and/or wherein the flow control apparatus or arrangement is configured to selectively prevent passage of fluid into the throughbore of the downhole tool by selectively preventing fluid communication between the annulus and the throughbore; anda valve arrangement configurable between an open configuration and a closed configuration, wherein the valve arrangement comprises at least one closure member, and wherein the valve arrangement is configured to move the at least one closure member radially to move the valve arrangement between the open configuration and the closed configuration. 22. A method for controlling fluid flow into and/or from a formation, the method comprising: providing a downhole tool comprising a screen; a flow control apparatus or arrangement; and a valve arrangement configurable between an open configuration and a closed configuration,wherein the screen comprises a first tubular member disposed around a second tubular member, and an annulus is provided within the screen between the first tubular member and the second tubular member, wherein the first tubular is a permeable tubular member of the screen and the second tubular is a solid tubular base pipe of the screen, the second tubular being non-permeable to lateral passage of fluid, and wherein the valve arrangement comprises at least one closure member, the valve arrangement configured to move the at least one closure member radially to move the valve arrangement between the open configuration and the closed configuration; andconfiguring the flow control apparatus or arrangement of the downhole tool to selectively prevent passage of fluid through the screen of the downhole tool by selectively preventing fluid communication between a throughbore of the downhole tool and the annulus between the first tubular member and the second tubular member; and/or by selectively preventing passage of fluid into the throughbore of the downhole tool by selectively preventing fluid communication between the annulus and the throughbore.
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