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다음과 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) |
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출원번호 | US-0113346 (2005-04-22) |
등록번호 | US-7320364 (2008-01-22) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 129 인용 특허 : 529 |
Certain embodiments provide a method for treating a subsurface formation. The method includes using heaters to form a heated portion of the subsurface formation. A production conduit is used to direct formation fluid in a vapor phase from the heated portion of the subsurface formation towards a surf
Certain embodiments provide a method for treating a subsurface formation. The method includes using heaters to form a heated portion of the subsurface formation. A production conduit is used to direct formation fluid in a vapor phase from the heated portion of the subsurface formation towards a surface of the subsurface formation. Condensate of the vapor phase formation fluid is formed in or near the production conduit. Condensate of the vapor phase formation fluid is diverted to a desired location.
What is claimed is: 1. A method for treating a subsurface formation, comprising: using heaters to form a heated portion of the subsurface formation; passing formation fluid in a vapor phase from the heated portion into a production conduit through a riser; using the production conduit to direct vap
What is claimed is: 1. A method for treating a subsurface formation, comprising: using heaters to form a heated portion of the subsurface formation; passing formation fluid in a vapor phase from the heated portion into a production conduit through a riser; using the production conduit to direct vapor phase formation fluid towards a surface of the subsurface formation; forming condensate of a portion of the vapor phase formation fluid in the production conduit; and diverting downward condensate flow by the riser to a desired location in the production conduit to inhibit the condensate from entering the heated portion of the formation. 2. The method of claim 1, further comprising pumping the condensate from the production conduit. 3. The method of claim 1, further comprising gas lifting the condensate from the production conduit. 4. The method of claim 1, further comprising removing the condensate from the formation through a second conduit positioned in the production conduit. 5. The method of claim 4, further comprising adding a diluent to the second conduit. 6. The method of claim 1, further comprising adding a diluent to the production conduit. 7. The method of claim 1, wherein a portion of the riser is heated to ensure formation fluid passing through the riser is vapor. 8. The method of claim 1, wherein at least two of the heaters comprise electrical resistance heaters that incorporate ferromagnetic materials. 9. The method of claim 1, wherein a bottom of the desired location is defined by a seal between the riser and the production conduit. 10. The method of claim 9, wherein the bottom of the desired location is located above a transition between the overburden of the subsurface formation and a hydrocarbon containing portion of the formation. 11. The method of claim 9, wherein the bottom of the desired location is located above the heated portion. 12. The method of claim 9, wherein the riser includes perforations above the seal. 13. A system for producing formation fluids from a subsurface formation, comprising: one or more heaters in the subsurface formation configured to form a heated portion of the formation; a plurality of production conduits in the formation, at least one of the production conduits configured to direct vapor phase formation fluids from the heated portion of the formation towards a surface of the subsurface formation; and diverters in one or more of the production conduits, wherein at least one diverter is configured to divert condensate of the vapor phase formation fluids to a desired location to inhibit condensate from removing heat from the heated portion of the formation. 14. The system of claim 13, wherein at least one diverter comprises a riser. 15. The system of claim 13, wherein at least one diverter comprises a riser, and wherein at least one production conduit with the riser includes a heater to promote vapor phase flow through the riser. 16. The system of claim 13, wherein the desired location is below the heated portion of the subsurface formation. 17. The system of claim 13, wherein the desired location is below the heated portion of the subsurface formation, and further comprising a pump to pump fluids from below the heated portion of the formation to the surface. 18. The system of claim 13, further comprising a system to add diluent to the production conduit. 19. The system of claim 13, further comprising a gas lift system to produce fluids from the production conduit and/or the desired location.
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