Apparatus for autonomous downhole fluid selection with pathway dependent resistance system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-034/08
F15C-001/16
E21B-043/08
E21B-043/12
E21B-043/14
E21B-043/32
출원번호
US-0700685
(2010-02-04)
등록번호
US-9109423
(2015-08-18)
발명자
/ 주소
Dykstra, Jason D.
Fripp, Michael Linley
DeJesus, Orlando
Gano, John C.
Holderman, Luke
출원인 / 주소
HALLIBURTON ENERGY SERVICES, INC.
인용정보
피인용 횟수 :
0인용 특허 :
229
초록▼
An apparatus is described for controlling flow of fluid in a tubular positioned in a wellbore extending through a subterranean formation. A flow control system is placed in fluid communication with a main tubular. The flow control system has a flow ratio control system and a pathway dependent resist
An apparatus is described for controlling flow of fluid in a tubular positioned in a wellbore extending through a subterranean formation. A flow control system is placed in fluid communication with a main tubular. The flow control system has a flow ratio control system and a pathway dependent resistance system. The flow ratio control system has a first and second passageway, the production fluid flowing into the passageways with the ratio of fluid flow through the passageways related to the characteristic of the fluid flow. The pathway dependent resistance system includes a vortex chamber with a first and second inlet and an outlet, the first inlet of the pathway dependent resistance system in fluid communication with the first passageway of the fluid ratio control system and the second inlet in fluid communication with the second passageway of the fluid ratio control system. The first inlet is positioned to direct fluid into the vortex chamber such that it flows primarily tangentially into the vortex chamber, and the second inlet is positioned to direct fluid such that it flows primarily radially into the vortex chamber. Undesired fluids, such as natural gas or water, in an oil well, are directed, based on their relative characteristic, into the vortex primarily tangentially, thereby restricting fluid flow when the undesired fluid is present as a component of the production fluid.
대표청구항▼
1. An apparatus for autonomously controlling flow of fluid comprising: a pathway dependent resistance system; anda flow ratio control system for controlling the pathway dependent resistance system, an output of the flow ratio control system in fluid communication with at least an input of the pathwa
1. An apparatus for autonomously controlling flow of fluid comprising: a pathway dependent resistance system; anda flow ratio control system for controlling the pathway dependent resistance system, an output of the flow ratio control system in fluid communication with at least an input of the pathway dependent resistance system,the flow ratio control system having at least a first passageway and a second passageway for defining a ratio of fluid flow through the first passageway and second passageway, the ratio of fluid flow autonomously responsive to change in a characteristic of the fluid flow, wherein the characteristic is viscosity, wherein the first passageway of the fluid ratio control system is more viscosity-dependent than the second passageway, and wherein the first passageway is made of a swellable material, the passageway constricting when the material swells. 2. The apparatus as in claim 1 wherein the swellable material swells when contacted by the fluid when an undesired component is present in the fluid. 3. An apparatus for autonomously controlling flow of fluid comprising: a pathway dependent resistance system; anda flow ratio control system for controlling the pathway dependent resistance system, an output of the flow ratio control system in fluid communication with at least an input of the pathway dependent resistance system,the flow ratio control system having at least a first passageway and a second passageway for defining a ratio of fluid flow through the first passageway and second passageway, the ratio of fluid flow autonomously responsive to change in a characteristic of the fluid flow,further comprising a fluid amplifier system interposed between the fluid ratio control system and the pathway dependent resistance system and in fluid communication with both, wherein the fluid ratio control system further comprises a primary flow passageway, the primary flow passageway in fluid communication with the fluid amplifier system, and wherein the primary passageway further comprises a vortex diode. 4. The apparatus as in claim 3 wherein the primary passageway will accommodate more fluid flow than either the first or second passageways. 5. The apparatus as in claim 3 wherein the primary passageway will accommodate more flow than the first and second passageways combined. 6. The apparatus as in claim 3 wherein the first and second passageways of the flow ratio control system will direct flow from the primary passageway. 7. The apparatus as in claim 3 further comprising multiple fluid amplifier systems interposed between the fluid ratio control system and the pathway dependent resistance system, the fluid amplifier systems arranged in series. 8. The apparatus as in claim 7 wherein the multiple fluid amplifier systems comprise at least one proportional amplifier and at least one bistable amplifier. 9. The apparatus as in claim 7 wherein the multiple fluid amplifier systems comprise at least one pressure-type amplifier and at least one bistable amplifier. 10. An apparatus for autonomously controlling flow of fluid comprising: a pathway dependent resistance system; anda flow ratio control system of only fixed parts for controlling the pathway dependent resistance system, an output of the flow ratio control system in fluid communication with at least an input of the pathway dependent resistance system, the flow ratio control system having at least a first passageway and a second passageway for defining a ratio of fluid flow through the first passageway and second passageway, the ratio of fluid flow autonomously responsive to change in a characteristic of the fluid flow; a downhole oilfield tubular for positioning downhole in a wellbore extending through a subterranean formation and wherein the flow ratio control system is positioned in the tubular;the apparatus for injecting steam as injection fluid from the oilfield tubular into the formation and for controlling injection of the injection fluid into the formation; andwherein the apparatus selects injection of steam over injection of water. 11. The apparatus as in claim 10, wherein the apparatus will provide lower resistance to flow as the composition of the injection fluid changes to a higher percentage of steam. 12. An apparatus for autonomously controlling flow of fluid comprising: a pathway dependent resistance system; anda flow ratio control system of only fixed parts for controlling the pathway dependent resistance system, an output of the flow ratio control system in fluid communication with at least an input of the pathway dependent resistance system, the flow ratio control system having at least a first passageway and a second passageway for defining a ratio of fluid flow through the first passageway and second passageway, the ratio of fluid flow autonomously responsive to a characteristic of the fluid flow; and further comprising a downhole oilfield tubular for positioning downhole in a wellbore extending through a subterranean formation and wherein the flow ratio control system is positioned in the tubular, wherein the apparatus is for controlling flow of cementing fluid from the exterior of the oilfield tubular to the interior of the oilfield tubular during reverse cementing; andwherein the apparatus will provide higher resistance to flow of cementing fluid as the composition of the cementing fluid changes to a higher viscosity. 13. An apparatus for autonomously controlling flow of fluid comprising: a pathway dependent resistance system; anda flow ratio control system for controlling the pathway dependent resistance system, an output of the flow ratio control system in fluid communication with at least an input of the pathway dependent resistance system, the flow ratio control system having at least a first passageway and a second passageway for defining a ratio of fluid flow through the first passageway and second passageway, the ratio of fluid flow autonomously responsive to a characteristic of the fluid flow; and further comprising a downhole oilfield tubular for positioning downhole in a wellbore extending through a subterranean formation and wherein the flow ratio control system is positioned in the tubular; andwherein the flow ratio control system and pathway dependent resistance system are positioned within a movable plug. 14. A system for controlling fluid flow comprising: a pathway dependent resistance system, having a vortex chamber; at least a first inlet; and an outlet; andwherein at least the first inlet of the pathway dependent resistance system is in fluid communication with a flow direction control system, the flow from the flow direction control system affecting direction flow takes into the pathway dependent resistance system, and wherein the direction fluid flow takes into the pathway dependent resistance system is dependent on fluid viscosity and autonomously changes in response to fluid viscosity changes; andwherein the pathway dependent resistance system is positioned in an oilfield tubular for positioning downhole in a wellbore extending through a subterranean formation. 15. The apparatus as in claim 14, wherein the pathway dependent resistance system is for controlling production fluid flow and wherein the apparatus selects natural gas production over water production. 16. The apparatus as in claim 14, wherein the pathway dependent resistance system is for controlling production fluid flow and wherein the apparatus selects oil production over water production. 17. The apparatus as in claim 14, wherein the pathway dependent resistance system is for controlling production fluid flow and wherein the apparatus selects oil production over natural gas production. 18. The apparatus as in claim 14, wherein the pathway dependent resistance system is for controlling the injection of injection fluid into the formation. 19. The apparatus as in claim 18, wherein the injection fluid is steam. 20. The apparatus as in claim 19, wherein the pathway dependent resistance system selects injection of steam over injection of water. 21. The apparatus as in claim 20, wherein the pathway dependent resistance system provides lower resistance to flow as the composition of the injection fluid changes to a higher percentage of steam. 22. A flow control system, comprising: a flow ratio control system having at least a first passageway and a second passageway, wherein the ratio of fluid flow through the first passageway and second passageway is related to a characteristic of the fluid flow; anda pathway dependent resistance system having a vortex chamber with at least a first inlet and an outlet, the first inlet of the pathway dependent resistance system in fluid communication with either the first or second passageway or both of the fluid ratio control system, variations in the ratio of flow coming from the first and second passageway affecting the relative resistance of the total fluid moving through the pathway dependent resistance system; andwherein the flow control system is positioned in an oilfield tubular for positioning downhole in a wellbore extending through a subterranean formation. 23. The apparatus as in claim 22, wherein the oilfield tubular has an interior passageway in fluid communication with the flow ratio control system. 24. The apparatus as in claim 23, wherein formation fluid will flow from the formation into the tubular interior passageway. 25. The apparatus as in claim 22, wherein the flow control system is for controlling production fluid flow and wherein the apparatus selects oil production over natural gas production. 26. The apparatus as in claim 25, wherein the flow control system will provide higher resistance to flow as the composition of the formation fluid changes to a higher percentage of natural gas. 27. The apparatus as in claim 22, wherein the flow control system is for controlling production fluid flow and wherein the apparatus selects natural gas production over water production. 28. The apparatus as in claim 22, wherein the flow control system is for controlling production fluid flow and wherein the apparatus selects oil production over water production. 29. The apparatus as in claim 22, further comprising a plurality of flow control systems. 30. The apparatus as in claim 22, the flow control system for controlling injection of injection fluid from the oilfield tubular into the formation. 31. The apparatus as in claim 30, wherein the flow control system selects injection of steam over injection of water. 32. The apparatus as in claim 22, wherein the flow ratio control system controls flow of cementing fluid from the exterior of the oilfield tubular to the interior of the oilfield tubular during reverse cementing. 33. The apparatus as in claim 32, wherein the flow control system will provide higher resistance to flow of cementing fluid as the composition of the cementing fluid changes to a higher viscosity. 34. The apparatus as in claim 32, further comprising a movable plug mounted in an interior passageway of the oilfield tubular and operable to restrict fluid flow into the interior passageway. 35. The apparatus as in claim 32, wherein the flow ratio control system and pathway dependent resistance system are positioned within a movable plug. 36. The apparatus as in claim 22, further comprising a screen assembly for sand control. 37. The apparatus as in claim 22, further comprising an inflow control device in fluid communication with the flow ratio control system. 38. The apparatus as in claim 22, further comprising a plurality of flow control systems spaced along the wellbore. 39. The apparatus as in claim 38, wherein the plurality of flow control systems are positioned in a production string, the production string for extending through the wellbore along a production zone of the formation.
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