초록 ▼

A sand control screen assembly (60) comprises a base pipe (62) having at least one opening (64) that allows fluid flow therethrough and a filter medium (66) positioned about the exterior of the base pipe (62) that allows fluid flow therethrough and prevents particulate flow therethrough. An inflatab

A sand control screen assembly (60) comprises a base pipe (62) having at least one opening (64) that allows fluid flow therethrough and a filter medium (66) positioned about the exterior of the base pipe (62) that allows fluid flow therethrough and prevents particulate flow therethrough. An inflatable seal member (72) is disposed within the at least one opening ( 64) of the base pipe (62) and controls fluid flow through the at least one opening (64). An inflation fluid source (74) is in fluid communication with the inflatable seal member (72) and provides an inflation fluid to the inflatable seal member (72) to selectively urge the inflatable seal member (72) into sealing engagement with the at least one opening (64).

대표청구항 ▼

What is claimed is: 1. A sand control screen assembly comprising: a base pipe having at least one opening that allows fluid flow therethrough; a filter medium positioned about the exterior of the base pipe, the filter medium allowing fluid flow therethrough and preventing particulate flow therethro

What is claimed is: 1. A sand control screen assembly comprising: a base pipe having at least one opening that allows fluid flow therethrough; a filter medium positioned about the exterior of the base pipe, the filter medium allowing fluid flow therethrough and preventing particulate flow therethrough; an inflatable seal member disposed within the at least one opening of the base pipe that controls fluid flow through the at least one opening of the base pipe; and an inflation fluid source in fluid communication with the inflatable seal member that provides an inflation fluid to the inflatable seal member to selectively urge the inflatable seal member into sealing engagement with the at least one opening. 2. The sand control screen assembly as recited in claim 1 wherein the at least one opening has a port in an inner surface thereof, the port providing fluid communication between the inflation fluid source and inflatable seal member. 3. The sand control screen assembly as recited in claim 1 wherein the at least one opening has a contoured rim that urges the inflatable seal member to remain disposed within the at least one opening. 4. The sand control screen assembly as recited in claim 1 further comprising a retainer member positioned within the at least one opening that urges the inflatable seal member to remain disposed within the at least one opening. 5. The sand control screen assembly as recited in claim 1 further comprising a retainer member positioned on a side wall of the base pipe around the at least one opening that urges the inflatable seal member to remain disposed within the at least one opening. 6. The sand control screen assembly as recited in claim 1 wherein the inflatable seal member further comprises a resilient material that urges the inflatable seal member away from sealing engagement with the at least one opening. 7. The sand control screen assembly as recited in claim 1 further comprising a check valve in fluid communication with the inflatable seal member that allows the inflation fluid to flow into the inflatable seal member but prevents the inflation fluid from flowing out of the inflatable seal member. 8. The sand control screen assembly as recited in claim 1 wherein the inflation fluid source further comprises a tubing network positioned between the base pipe and the filter medium. 9. The sand control screen assembly as recited in claim 1 wherein the inflation fluid source further comprises a tubing network positioned within grooves in the base pipe. 10. The sand control screen assembly as recited in claim 1 wherein the inflation fluid source further comprises a tubing network positioned at least partially within a recess in the filter medium. 11. The sand control screen assembly as recited in claim 1 wherein the sand control screen assembly is radially expandable. 12. The sand control screen assembly as recited in claim 1 further comprising a sensor operably associated with the inflation fluid source that monitors at least one downhole parameter and provides a signal to the inflation fluid source to urge the inflatable seal member into sealing engagement with the at least one opening. 13. An expandable sand control screen assembly comprising: an expandable base pipe having at least one opening that allows fluid flow therethrough; an expandable filter medium positioned about the exterior of the base pipe, the filter medium allowing fluid flow therethrough and preventing particulate flow therethrough; an inflatable seal member disposed within the at least one opening of the base pipe that controls fluid flow through the at least one opening of the base pipe; and an inflation fluid source in fluid communication with the inflatable seal member that provides an inflation fluid to the inflatable seal member to selectively urge the inflatable seal member into sealing engagement with the at least one opening. 14. The expandable sand control screen assembly as recited in claim 13 wherein the at least one opening has a contoured rim that urges the inflatable seal member to remain disposed within the at least one opening. 15. The expandable sand control screen assembly as recited in claim 13 further comprising an expandable retainer member positioned within the at least one opening that urges the inflatable seal member to remain disposed within the at least one opening. 16. The expandable sand control screen assembly as recited in claim 13 further comprising an expandable retainer member positioned on a side wall of the base pipe around the at least one opening that urges the inflatable seal member to remain disposed within the at least one opening. 17. The expandable sand control screen assembly as recited in claim 13 wherein the inflatable seal member further comprises a resilient material that urges the inflatable seal member away from sealing engagement with the at least one opening. 18. The expandable sand control screen assembly as recited in claim 13 further comprising a check valve in fluid communication with the inflatable seal member that allows the inflation fluid to flow into the inflatable seal member but prevents the inflation fluid from flowing out of the inflatable seal member. 19. The expandable sand control screen assembly as recited in claim 13 wherein the inflation fluid source further comprises a tubing network positioned between the base pipe and the filter medium. 20. The expandable sand control screen assembly as recited in claim 13 wherein the inflation fluid source further comprises a tubing network positioned within grooves in the base pipe. 21. The expandable sand control screen assembly as recited in claim 13 wherein the inflation fluid source further comprises a tubing network positioned at least partially within a recess in the filter medium. 22. The expandable sand control screen assembly as recited in claim 13 wherein the inflation fluid source further comprises a tubing network extending to a surface location. 23. The expandable sand control screen assembly as recited in claim 13 wherein the inflation fluid source further comprises a tubing network having expandable sections. 24. The expandable sand control screen assembly as recited in claim 23 wherein the expandable sections of the tubing network are telescopically extendable. 25. The expandable sand control screen assembly as recited in claim 23 wherein the expandable sections of the tubing network are extendable by straighten curved sections. 26. The expandable sand control screen assembly as recited in claim 23 wherein the expandable sections of the tubing network are extendable by plastic deformation. 27. The expandable sand control screen assembly as recited in claim 13 further comprising a sensor operably associated with the inflation fluid source that monitors at least one downhole parameter and provides a signal to the inflation fluid source to urge the inflatable seal member into sealing engagement with the at least one opening. 28. A downhole tool comprising: a tubular member having at least one opening in a sidewall portion thereof that allows fluid flow therethrough; an inflatable seal member disposed within the at least one opening of the tubular member that controls fluid flow through the at least one opening of the tubular member; and an inflation fluid source in fluid communication with the inflatable seal member that provides an inflation fluid to the inflatable seal member to selectively urge the inflatable seal member into sealing engagement with the at least one opening. 29. The downhole tool as recited in claim 28 wherein the at least one opening has a port in an inner surface thereof, the port providing fluid communication between the inflation fluid source and inflatable seal member. 30. The downhole tool as recited in claim 28 wherein the at least one opening has a contoured rim that urges the inflatable seal member to remain disposed within the at least one opening. 31. The downhole tool as recited in claim 28 further comprising a retainer member positioned within the at least one opening that urges the inflatable seal member to remain disposed within the at least one opening. 32. The downhole tool as recited in claim 28 further comprising a retainer member positioned on the side wall of the tubular member around the at least one opening that urges the inflatable seal member to remain disposed within the at least one opening. 33. The downhole tool as recited in claim 28 wherein the inflatable seal member further comprises a resilient material that urges the inflatable seal member away from sealing engagement with the at least one opening. 34. The downhole tool as recited in claim 28 further comprising a check valve in fluid communication with the inflatable seal member that allows the inflation fluid to flow into the inflatable seal member but prevents the inflation fluid from flowing out of the inflatable seal member. 35. The downhole tool as recited in claim 28 wherein the tubular member is radially expandable. 36. The downhole tool as recited in claim 28 further comprising a sensor operably associated with the inflation fluid source that monitors at least one downhole parameter and provides a signal to the inflation fluid source to urge the inflatable seal member into sealing engagement with the at least one opening. 37. A method for controlling the fluid flow through a sand control screen assembly comprising the steps of: providing the sand control screen assembly including a base pipe having at least one opening that allows fluid flow therethrough and a filter medium positioned about the exterior of the base pipe; positioning the sand control screen assembly downhole; and selectively urging an inflatable seal member disposed within the at least one opening into sealing engagement with the at least one opening by providing an inflation fluid to the inflatable seal member from an inflation fluid source. 38. The method as recited in claim 37 wherein the step of providing an inflation fluid to the inflatable seal member from an inflation fluid source further comprises flowing the inflation fluid through a port in an inner surface of the at least one opening. 39. The method as recited in claim 37 further comprising the step of urging the inflatable seal member to remain disposed within the at least one opening with a contoured rim on the at least one opening. 40. The method as recited in claim 37 further comprising the step of urging the inflatable seal member to remain disposed within the at least one opening with a retainer member disposed within the at least one opening. 41. The method as recited in claim 37 further comprising the step of urging the inflatable seal member to remain disposed within the at least one opening with a retainer member positioned on a side wall of the base pipe around the at least one opening. 42. The method as recited in claim 37 further comprising the step of resiliently urging the inflatable seal member away from sealing engagement with the at least one opening. 43. The method as recited in claim 37 further comprising the step of urging the inflatable seal member away from sealing engagement with the at least one opening with downhole hydrostatic pressure. 44. The method as recited in claim 37 further comprising the step of preventing the inflation fluid from flowing out of the inflatable seal member with a check valve. 45. The method as recited in claim 37 wherein the step of providing an inflation fluid to the inflatable seal member from an inflation fluid source further comprises positioning a tubing network between the base pipe and the filter medium. 46. The method as recited in claim 37 wherein the step of providing an inflation fluid to the inflatable seal member from an inflation fluid source further comprises positioning a tubing network within grooves in the base pipe. 47. The method as recited in claim 37 wherein the step of providing an inflation fluid to the inflatable seal member from an inflation fluid source further comprises positioning a tubing network at least partially within a recess in the filter medium. 48. The method as recited in claim 37 wherein the step of providing an inflation fluid to the inflatable seal member from an inflation fluid source further comprises extending a tubing network from a surface location. 49. The method as recited in claim 37 further comprising the step of radially expanding the sand control screen assembly downhole. 50. The method as recited in claim 37 further comprising the step of monitoring at least one downhole parameter with a sensor and providing a signal to the inflation fluid source to urge the inflatable seal member into sealing engagement with the at least one opening. 51. A method for controlling the fluid flow through a sand control screen assembly comprising the steps of: providing the sand control screen assembly including a base pipe having at least one opening that allows fluid flow therethrough and a filter medium positioned about the exterior of the base pipe; positioning the send control screen assembly downhole; radially expanding the sand control screen assembly donwhole; and selectively urging an inflatable seal member disposed within the at least one opening into sealing engagement with the at least one opening by providing an inflation fluid to the inflatable seal member from an inflation fluid source. 52. The method as recited in claim 51 further comprising the step of urging the inflatable seal member to remain disposed within the at least one opening with a contoured rim on the at least one opening. 53. The method as recited in claim 51 further comprising the step of urging the inflatable seal member to remain disposed within the at least one opening with a retainer member disposed within the at least one opening. 54. The method as recited in claim 51 further comprising the step of urging the inflatable seal member to remain disposed within the at least one opening with a retainer member positioned on a side wall of the base pipe around the at least one opening. 55. The method as recited in claim 51 further comprising the step of resiliently urging the inflatable seal member away from sealing engagement with the at least one opening. 56. The method as recited in claim 51 further comprising the step of urging the inflatable seal member away from sealing engagement with the at least one opening with downhole hydrostatic pressure. 57. The method as recited in claim 51 further comprising the step of preventing the inflation fluid from flowing out of the inflatable seal member with a check valve. 58. The method as recited in claim 51 wherein the step of providing an inflation fluid to the inflatable seal member from an inflation fluid source further comprises positioning a tubing network between the base pipe and the filter medium. 59. The method as recited in claim 51 wherein the step of providing an inflation fluid to the inflatable seal member from an inflation fluid source further comprises positioning a tubing network within grooves in the base pipe. 60. The method as recited in claim 51 wherein the step of providing an inflation fluid to the inflatable seal member from an inflation fluid source further comprises positioning a tubing network at least partially within a recess in the filter medium. 61. The method as recited in claim 51 wherein the step of providing an inflation fluid to the inflatable seal member from an inflation fluid source further comprises extending a tubing network from a surface location. 62. The method as recited in claim 51 further comprising the step of monitoring at least one downhole parameter with a sensor and providing a signal to the inflation fluid source to urge the inflatable seal member into sealing engagement with the at least one opening.