Reactive in-flow control device for subterranean wellbores
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-043/12
E21B-017/18
E21B-021/10
E21B-034/08
E21B-043/08
출원번호
US-0117531
(2008-05-08)
등록번호
US-8931570
(2015-01-13)
발명자
/ 주소
Casciaro, Dario
Howell, Murray K.
출원인 / 주소
Baker Hughes Incorporated
대리인 / 주소
Mossman, Kumar & Tyler PC
인용정보
피인용 횟수 :
2인용 특허 :
118
초록▼
An apparatus for controlling fluid in-flow into a wellbore tubular includes a translating flow control element having one or more fluid conveying conduits; and a reactive element that actuates the flow control element. The reactive element may be responsive to a change in composition of the in-flowi
An apparatus for controlling fluid in-flow into a wellbore tubular includes a translating flow control element having one or more fluid conveying conduits; and a reactive element that actuates the flow control element. The reactive element may be responsive to a change in composition of the in-flowing fluid. The reactive element may change volume or shape when exposed to or not exposed to a selected fluid. The selected fluid may be oil, water, or some other fluid (e.g., liquid, gas, mixture, etc.). The reactive element may slide the flow control element such that a conduit formed on the flow control element changes length, which then changes a pressure differential across the flow control element.
대표청구항▼
1. An apparatus for controlling a flow of a fluid from a wellbore annulus into a tubular in a wellbore, comprising: a housing having an outlet in communication with a flow bore of the tubular, a cavity, and a port receiving the fluid from the wellbore annulus;a movable flow control element disposed
1. An apparatus for controlling a flow of a fluid from a wellbore annulus into a tubular in a wellbore, comprising: a housing having an outlet in communication with a flow bore of the tubular, a cavity, and a port receiving the fluid from the wellbore annulus;a movable flow control element disposed in the cavity and having at least one conduit configured to convey the fluid received from the port to the outlet, wherein translation of the flow control element varies an amount of the at least one conduit in fluid communication with the port, wherein the amount of the at least one conduit in fluid communication with the port varies an effective distance the fluid travels from the port to the outlet; andat least one reactive element being configured to actuate the flow control element to vary a length of the flow control element in fluid communication with the port in response to a change in composition of the fluid. 2. The apparatus of claim 1 wherein the at least one reactive element contracts when the amount of oil in the fluid drops, and wherein the at least one reactive element slides the flow control element to reduce the length of the flow control element in fluid communication with the port. 3. The apparatus of claim 1 wherein the at least one conduit is a helical channel. 4. The apparatus of claim 3 wherein the flow control element includes an outer surface, and wherein the helical channel is formed on the outer surface. 5. The apparatus of claim 1, wherein the reactive element applies a translating force to the flow control element, the flow control element translating in the cavity in response to the applied translating force. 6. The apparatus of claim 5 wherein the port is a portion of the cavity that is enlarged to form a fluid flow space between the flow control element and an inner wall of the housing. 7. The apparatus of claim 5 wherein an inner wall defines the cavity and wherein the inner wall is configured to confine the fluid in the at least one conduit, and wherein the reactive element is positioned in a chamber adjacent to the cavity. 8. The apparatus of claim 1 wherein the flow control element is configured to have a first position wherein the fluid flows a first distance in the at least one conduit to an opening in the wellbore tubular, and a second position wherein the fluid flows a second distance longer than the first distance in the at least one conduit to the opening in the wellbore tubular. 9. The apparatus of claim 1 wherein the at least one reactive element is disposed in a chamber configured to communicate with a wellbore annulus. 10. A method for controlling a flow of a fluid from a wellbore annulus into a tubular in a wellbore, comprising: controlling a flow of the fluid using a flow control element having at least one conduit configured to convey the fluid, wherein the flow control element is disposed in a housing having an outlet in communication with a flow bore of the tubular, a cavity, and a port, and wherein the at least one conduit is in selective fluid communication with the port;and actuating the flow control element using at least one reactive element to vary a length of the flow control element in fluid communication with the port, wherein an amount of the at least one conduit in fluid communication with the port varies an effective distance the fluid travels from the port to the outlet, the at least one reactive element being responsive to a change in composition of the fluid. 11. The method of claim 10 wherein the at least one reactive element contracts when the amount of oil in the fluid drops. 12. The method of claim 10 wherein the at least one conduit is a helical channel. 13. The method of claim 10, wherein the flow control element is configured to translate in the cavity. 14. The method of claim 10 wherein the at least one conduit terminates at an opening in the tubular, and wherein varying the distance the fluid flows to the opening varies a pressure differential in the fluid. 15. The method of claim 10 wherein the at least one reactive element slides the flow control element between a first position wherein the fluid flows a first distance in the at least one conduit, and a second position wherein the fluid flows a second distance longer than the first distance in the at least one conduit. 16. The method of claim 10 further comprising exposing the at least one reactive element to a fluid in a wellbore annulus. 17. A system for controlling a flow of a fluid in a well, comprising: a wellbore tubular in the well;a production control device positioned along the wellbore tubular, the production control device including:(i) a housing having an outlet in communication with a flow bore of the tubular, a port and a cavity;(ii) a flow control element positioned in the cavity, the flow control element having at least one conduit configured to convey the fluid received from the port, wherein translation of the flow control element varies an amount of the at least one conduit in fluid communication with the port, wherein the amount of the at least one conduit in fluid communication with the port varies an effective distance the fluid travels from the port to the outlet; and(iii) a reactive element coupled to the flow control device, the reactive element being configured to vary a distance the fluid flows in the at least one conduit, the at least one reactive element responsive to a change in composition of the fluid. 18. The system of claim 17 wherein the housing includes an opening communicating a fluid in a wellbore annulus to the reactive element; and wherein the reactive element is substantially isolated from a fluid in the cavity of the housing. 19. The system of claim 17 wherein the flow control device is configured to slide between a first position wherein the fluid flows a first distance in the at least one conduit, and a second position wherein the fluid flows a second distance longer than the first distance in the at least one conduit.
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