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다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | UP-0545369 (2006-10-10) |
등록번호 | US-7832482 (2011-01-16) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 7 인용 특허 : 523 |
A system for producing fluids from a subterranean zone comprises a tubing string disposed in a well bore, the tubing string adapted to communicate fluids from the subterranean zone to a ground surface. A downhole fluid lift system is operable to lift fluids towards the ground surface. A downhole flu
A system for producing fluids from a subterranean zone comprises a tubing string disposed in a well bore, the tubing string adapted to communicate fluids from the subterranean zone to a ground surface. A downhole fluid lift system is operable to lift fluids towards the ground surface. A downhole fluid heater is disposed in the well bore and is operable to vaporize a liquid in the well bore. A seal between the downhole fluid lift system and the downhole fluid heater is operable to isolate a portion of the well bore containing the downhole fluid lift system from a portion of the well bore containing the downhole fluid heater. A method comprises: disposing a tubing string in a well bore; generating vapor in the well bore; and lifting fluids from the subterranean zone to a ground surface through the tubing string.
What is claimed is: 1. A system for producing fluids from a subterranean zone, comprising: a downhole fluid lift system adapted to be at least partially disposed in a well bore, the downhole fluid lift system operable to lift fluids towards a ground surface; a downhole fluid heater adapted to be di
What is claimed is: 1. A system for producing fluids from a subterranean zone, comprising: a downhole fluid lift system adapted to be at least partially disposed in a well bore, the downhole fluid lift system operable to lift fluids towards a ground surface; a downhole fluid heater adapted to be disposed in the well bore, the downhole fluid heater operable to generate heat in the well bore; and a seal between the downhole fluid lift system and the downhole fluid heater, the seal operable to selectively seal with the well bore and isolate and prevent fluid communication to a portion of the well bore uphole of the seal containing and in fluid communication with an inlet of the downhole fluid lift system from a portion of the well bore downhole of the seal containing and in fluid communication with the downhole fluid heater. 2. The system of claim 1, wherein the downhole fluid lift system comprises a gas lift system. 3. The system of claim 1, wherein the downhole fluid lift system comprises at least one of an electric submersible pump or a progressive cavity pump. 4. The system of claim 1, wherein the downhole fluid lift system is adapted to circulate fluids in the portion of the well bore containing the downhole fluid lift system while isolated from the portion of the well bore containing the downhole fluid heater. 5. The system of claim 1, further comprising a surface pump adapted to circulate fluids in the portion of the well bore containing the downhole fluid lift system while isolated from the portion of the well bore containing the downhole fluid heater. 6. The system of claim 1, wherein the downhole fluid heater comprises a steam generator. 7. The system of claim 1 wherein the well bore extends from the ground surface to a terminal end in or below the subterranean zone. 8. A system comprising: a tubing string having an inlet; a pump; a downhole fluid heater operable to vaporize a liquid in a well bore; and a seal between the inlet of the tubing string and the downhole fluid heater, the seal adapted to substantially seal an annulus between the tubing string and the well bore and isolate and prevent fluid communication to a portion of the well bore uphole of the seal containing and in fluid communication with an inlet of the pump from a portion of the well bore downhole of the seal containing and in fluid communication with the downhole fluid heater. 9. The system of claim 8, wherein the pump comprises an electric submersible pump. 10. The system of claim 8, wherein the pump is adapted to circulate fluids in the portion of the well bore uphole of the seal. 11. The system of claim 8, further comprising a surface pump. 12. The system of claim 8, wherein the downhole fluid heater comprises a steam generator. 13. A method, comprising: isolating and preventing fluid communication to a first portion of a well bore containing an artificial lift system and in fluid communication with an inlet of the artificial lift system from a second portion of the well bore; while the artificial lift system is in the well bore, generating heat in the second portion of the well bore and introducing heated fluid into a subterranean zone from the second portion of the well bore; providing fluid communication to the first portion of a well bore containing the artificial lift system from the second portion of the well bore; and artificially lifting fluids from the second portion of the well bore to the first portion of the well bore and to a ground surface using the artificial lift system. 14. The method of claim 13, further comprising circulating fluid in the portion of the well bore containing the artificial lift system while introducing heated fluid into the subterranean zone. 15. The method of claim 14, wherein circulating fluid comprises circulating fluid using the artificial lift system. 16. The method of claim 14, wherein circulating fluid comprises circulating fluid using a surface pump. 17. The method of claim 13, further comprising cooling a downhole pump present in the well bore while vapor is being generated. 18. The method of claim 13, further comprising heating the fluid in the well bore.
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