A retrofit assembly for functionally replacing a fluid isolation valve disposed in a borehole above a lower completion, including a barrier valve operatively arranged to selectively isolate the lower completion when the fluid isolation valve is open. The barrier valve is transitionable between an op
A retrofit assembly for functionally replacing a fluid isolation valve disposed in a borehole above a lower completion, including a barrier valve operatively arranged to selectively isolate the lower completion when the fluid isolation valve is open. The barrier valve is transitionable between an open position and a closed position due to engagement with an upper completion string. A packer device is included and operatively arranged to isolate a formation in which the borehole is formed.
대표청구항▼
1. A retrofit assembly for functionally replacing a fluid isolation valve disposed in a borehole above a lower completion, comprising: a barrier valve operatively arranged to selectively isolate the lower completion when the fluid isolation valve is open, the barrier valve transitionable between an
1. A retrofit assembly for functionally replacing a fluid isolation valve disposed in a borehole above a lower completion, comprising: a barrier valve operatively arranged to selectively isolate the lower completion when the fluid isolation valve is open, the barrier valve transitionable between an open position and a closed position due to engagement with an upper completion string; anda packer device operatively arranged to isolate a formation in which the borehole is formed, wherein the barrier valve and the packer device form at least a portion of the retrofit assembly that functionally replaces the fluid isolation valve. 2. The retrofit assembly of claim 1, wherein the barrier valve transitions to the closed position via the upper completion string when the upper completion string is pulled out of the borehole. 3. The retrofit assembly of claim 1, wherein the upper completion string is a production string. 4. The retrofit assembly of claim 3, wherein the production string comprises an artificial lift system. 5. The retrofit assembly of claim 3, wherein the production string is run in with a removable plug, the removable plug enabling fluid to be pressurized thereagainst in the production string for setting the packer device. 6. The retrofit assembly of claim 1, wherein the fluid isolation valve that is functionally replaced is a ball valve. 7. The retrofit assembly of claim 1, wherein the fluid isolation valve is maintained in an open configuration after being functionally replaced. 8. A completion system, comprising the retrofit assembly of claim 1 and a subsequent assembly having a subsequent barrier valve and a subsequent packer device, the subsequent assembly stacked on the retrofit assembly for functionally replacing the retrofit assembly. 9. The completion system of claim 8, wherein the subsequent assembly holds the barrier valve of the retrofit assembly in an open position when engaged therewith. 10. The retrofit assembly of claim 1, wherein the lower completion includes at least one assembly for enabling one or more of a stimulation, hydraulic fracturing, frac packing, and gravel packing. 11. The retrofit assembly of claim 1, further comprising a shroud enclosing a housing of the barrier valve. 12. A method of retrofitting a completion system having a lower completion capped by a fluid isolation valve installed in a borehole, comprising: running an intermediate completion assembly with an upper completion string downhole;engaging the intermediate completion assembly with the fluid isolation valve;functionally replacing the fluid isolation valve by selectively impeding fluid flow through the lower completion with a barrier valve of the intermediate completion assembly; andisolating a formation in which the borehole is formed with a packer device of the intermediate completion assembly. 13. The method of claim 12, further comprising producing fluid from the formation before running the intermediate completion assembly. 14. The method of claim 12, wherein the upper completion string is a production string. 15. The method of claim 14, wherein the production string comprises an artificial lift system. 16. The method of claim 15, further comprising pressurizing against a removable plug run in with the production string in order to set the packer device. 17. The method of claim 16, further comprising removing the removable plug for enabling fluid communication between the upper completion string and the lower completion. 18. The method of claim 12, wherein the fluid isolation valve is a ball valve. 19. The method of claim 12, wherein the fluid isolation valve is maintained in an open configuration after running in the intermediate completion assembly. 20. The method of claim 12, further comprising pulling out the upper completion string and running in a subsequent upper completion string. 21. The method of claim 20, wherein running in the subsequent upper completion string includes running in a subsequent intermediate completion assembly attached to the subsequent upper completion string, the subsequent intermediate completion assembly having a subsequent barrier valve and a subsequent packer device for functionally replacing the intermediate completion assembly due to engagement therewith.
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이 특허에 인용된 특허 (36)
Floyd Terry L. ; Oneal Dean S., Apparatus and associated methods of producing a subterranean well.
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