[특허]Intermediate completion assembly for isolating lower completion

BAKER HUGHES, a GE company, LLC

Intermediate completion assembly for isolating lower completion

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E21B-034/06 E21B-033/13 E21B-033/12 E21B-034/10 E21B-043/14
출원번호	US-0434091 (2012-03-29)
등록번호	US-9828829 (2017-11-28)
발명자 / 주소	Frisby, Raymond A. Phillips, Jeffrey S. Nelson, Roy N. Lauderdale, Donald
출원인 / 주소	BAKER HUGHES, a GE company, LLC
대리인 / 주소	Cantor Colburn LLP
인용정보	피인용 횟수 : 0 인용 특허 : 36

초록 ▼

A completion system includes a lower completion installed in a borehole proximate to a downhole formation. An intermediate completion assembly is included directly engaged with the lower completion. The intermediate completion assembly includes a barrier valve and packer device. The barrier valve is operatively arranged to selectively impede fluid flow through the lower completion and the packer device operatively arranged for isolating the formation. An upper completion string is included that is selectably engagable with the intermediate completion assembly. The barrier valve is operatively arranged to be transitionable to an open position when engaged with the upper completion string and transitions to a closed position via the upper completion string when the upper completion string is pulled out of the borehole. A method of completing a borehole is also included.

대표청구항 ▼

1. A completion system, comprising: a lower completion installed in a borehole proximate to a downhole formation;an intermediate completion assembly directly engaged with the lower completion, the intermediate completion assembly including a barrier valve and packer device, the barrier valve operatively arranged to selectively impede fluid flow through the lower completion, the packer device operatively arranged for isolating the formation; andan upper completion string selectably engagable with the intermediate completion assembly, the barrier valve operatively arranged to be transitionable to an open position when engaged with the upper completion string and transitioning to a closed position via the upper completion string when the upper completion string is pulled out of the borehole, wherein the upper completion string is a production string and 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. 2. The completion system of claim 1, wherein the production string comprises an artificial lift system. 3. The completion system of claim 1, further comprising a subsequent intermediate completion assembly stacked with the intermediate completion assembly, the subsequent intermediate assembly having a subsequent barrier valve and a subsequent packer device for functionally replacing the intermediate assembly. 4. The completion system of claim 3, wherein the intermediate completion assembly is engaged between the subsequent intermediate completion assembly and the lower completion and the subsequent intermediate completion assembly is engaged between the intermediate completion assembly and the upper completion string. 5. The completion system of claim 4, wherein the upper completion string includes a first tool operatively arranged for enabling the subsequent barrier valve to transition between open and closed positions and the subsequent barrier valve is arranged with a second tool for holding the subsequent barrier valve in an open position while the subsequent intermediate assembly is engaged with the first intermediate assembly. 6. The completion system of claim 1, wherein the lower completion includes at least one assembly for enabling stimulation, hydraulic fracturing, frac packing, gravel packing, or a combination including at least one of the foregoing. 7. The completion system of claim 1, wherein the upper completion includes a tool extendable through the packer device for engagement with the barrier valve of the intermediate completion assembly. 8. The completion system of claim 1, wherein the intermediate completion assembly includes a shroud enclosing a housing of the barrier valve. 9. A method of completing a borehole comprising: running a lower completion in the borehole proximate to a downhole formation;engaging an intermediate completion assembly directly with the lower completion;impeding fluid flow through the lower completion selectively with a barrier valve of the intermediate completion assembly prior to producing through the completion, the barrier valve operatively arranged to be transitionable to an open position when engaged with an upper completion string defining a production string and transitioning to a closed position via the upper completion string when the upper completion string is pulled out of the borehole;isolating the formation with a packer device of the intermediate completion assembly prior to producing through the completion; andpressurizing against a removable plug run in with the production string in order to set the packer device;wherein the production string comprises an artificial lift system. 10. The method of claim 9, further comprising removing the removable plug for enabling fluid communication between the upper completion string and the lower completion. 11. The method of claim 9, further comprising pulling out the upper completion string and running in a subsequent upper completion string. 12. The method of claim 11, 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. 13. The method of claim 12, wherein the subsequent upper completion string includes a first tool operatively arranged for enabling the subsequent barrier valve to transition between open and closed positions and the subsequent barrier valve includes a second tool for holding the subsequent barrier valve in an open position while the subsequent intermediate assembly is engaged with the first intermediate assembly.

이 특허에 인용된 특허 (36)

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Fredd John V. (Dallas TX), Apparatus for and method of operating a well.
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Pringle Ronald E. (Houston TX) Morris Arthur J. (Magnolia TX), Multiple use well packer.
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Reaux, James, Surface controlled subsurface safety valve assembly with primary and secondary valves.
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Patel,Dinesh R., System and method for completing a subterranean well.
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Whitsitt, John R.; Jonas, Jason K.; Rytlewski, Gary L.; Patel, Dinesh R., System and method for facilitating downhole operations.
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Patel, Dinesh R.; Destremau, Axel, Technique and system for completing a well.
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Patel, Dinesh R., Well isolation system.
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