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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-0576732 (2009-10-09) |
등록번호 | US-8220539 (2012-07-17) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 69 인용 특허 : 723 |
An in situ heat treatment system for producing hydrocarbons from a subsurface formation includes a plurality of wellbores in the formation. At least one heater is positioned in at least two of the wellbores. A self-regulating nuclear reactor provides energy to at least one of the heaters to heat the
An in situ heat treatment system for producing hydrocarbons from a subsurface formation includes a plurality of wellbores in the formation. At least one heater is positioned in at least two of the wellbores. A self-regulating nuclear reactor provides energy to at least one of the heaters to heat the temperature of the formation to temperatures that allow for hydrocarbon production from the formation. A temperature of the self-regulating nuclear reactor is controlled by controlling a pressure of hydrogen supplied to the self-regulating nuclear reactor, and wherein the pressure is regulated based upon formation conditions.
1. An in situ heat treatment system for producing hydrocarbons from a subsurface formation, comprising: a plurality of wellbores in the formation;at least one heater positioned in at least two of the wellbores; anda self-regulating nuclear reactor configured to provide energy to at least one of the
1. An in situ heat treatment system for producing hydrocarbons from a subsurface formation, comprising: a plurality of wellbores in the formation;at least one heater positioned in at least two of the wellbores; anda self-regulating nuclear reactor configured to provide energy to at least one of the heaters to heat the temperature of the formation to temperatures that allow for hydrocarbon production from the formation, wherein a temperature of the self-regulating nuclear reactor is controlled by controlling a pressure of hydrogen supplied to the self-regulating nuclear reactor, and wherein the pressure is regulated based upon formation conditions. 2. The system of claim 1, wherein the self-regulating nuclear reactor comprises a core, wherein the core comprises a powdered fissile metal hydride material. 3. The system of claim 1, wherein the temperature of the self-regulating nuclear reactor is reduced by introduction of a neutron-absorbing material. 4. The system of claim 1, wherein the temperature of the self-regulating nuclear reactor is reduced by introduction of a neutron-absorbing gas. 5. The system of claim 1, wherein the temperature of the self-regulating nuclear reactor is reduced by introduction of a neutron-absorbing gas, wherein the neutron-absorbing gas is xenon135. 6. The system of claim 1, wherein the temperature of the self-regulating nuclear reactor is permanently reduced to ambient temperature upon introduction of a neutron-absorbing gas. 7. The system of claim 1, further comprising a system to convert nitrite to nitrate salts. 8. The system of claim 1, wherein the temperature of the self-regulating nuclear reactor is permanently reduced to ambient temperature upon introduction of a neutron-absorbing gas, wherein the neutron-absorbing gas is xenon135. 9. The system of claim 1, wherein the self-regulating nuclear reactor sustains a temperature within a range of about 500° C. to about 650° C. 10. The system of claim 1, wherein the self-regulating nuclear reactor is positioned underground in the formation. 11. The system of claim 1, wherein the self-regulating nuclear reactor is positioned underground in the formation below the overburden. 12. The system of claim 1, wherein the self-regulating nuclear reactor is positioned in or proximate to one or more tunnels. 13. The system of claim 1, wherein at least a one of the wellbores is u-shaped. 14. The system of claim 1, wherein at least a one of the wellbores is L-shaped. 15. The system of claim 1, further comprising at least a second self-regulating nuclear reactor, wherein the second self-regulating nuclear reactor is coupled to the self-regulating nuclear reactor after a first period of time such that the power output of the two coupled self-regulating nuclear reactors is at least as great as an initial output of the self-regulating nuclear reactor. 16. The system of claim 1, wherein the energy provided by the self-regulating nuclear reactor comprises a heat transfer fluid circulated by a circulation system through at least one of the heaters. 17. The system of claim 16, wherein the heat transfer fluid is a molten salt. 18. The system of claim 16, wherein the heat transfer fluid is a molten salt, and wherein the molten salt is molten at a temperature of the self-regulating nuclear reactor when it provides energy. 19. The system of claim 16, wherein the heat transfer fluid is a molten salt, wherein the molten salt does not decompose within a temperature range of the self-regulating nuclear reactor. 20. The system of claim 16, wherein the heat transfer fluid is a molten salt, and wherein the molten salt is a nitrite salt or a combination of nitrite salts. 21. The system of claim 16, wherein at least a portion of the heat transfer fluid circulates directly through the self-regulating nuclear reactor. 22. A method of producing hydrocarbons from a subsurface formation, comprising: providing energy to at least one heater to heat the temperature of the formation to temperatures that allow for hydrocarbon production from the formation using a self-regulating nuclear reactor, wherein the at least one heater is located in at least one of a plurality of heater wellbores located in the formation, and wherein at least one heater is located in at least one of the other heater wellbores;controlling a temperature of the self-regulating nuclear reactor by controlling a pressure of hydrogen supplied to the self-regulating nuclear reactor; andregulating the pressure of hydrogen supplied to the self-regulating nuclear reactor based upon formation conditions. 23. The method of claim 22, wherein the self-regulating nuclear reactor comprises a core, and wherein the core comprises a powdered fissile metal hydride material. 24. The method of claim 22, further comprising reducing the temperature of the self-regulating nuclear reactor by introducing a neutron-absorbing material. 25. The method of claim 22, further comprising reducing the temperature of the self-regulating nuclear reactor by introducing a neutron-absorbing gas. 26. The method of claim 22, further comprising reducing the temperature of the self-regulating nuclear reactor by introducing a neutron-absorbing gas, wherein the neutron-absorbing gas is xenon135. 27. The method of claim 22, further comprising reducing the temperature of the self-regulating nuclear reactor to ambient temperature by introducing a neutron-absorbing gas. 28. The method of claim 22, further comprising sustaining the self-regulating nuclear reactor at a temperature within a range of about 500° C. to about 650° C. 29. The method of claim 22, further comprising positioning the self-regulating nuclear reactor underground in the formation. 30. The method of claim 22, further comprising positioning the self-regulating nuclear reactor underground below the overburden in the formation. 31. The method of claim 22, further comprising positioning the self-regulating nuclear reactor in or proximate to one or more tunnels. 32. The method of claim 22, further comprising coupling at least a second self-regulating nuclear reactor to the self-regulating nuclear reactor after a first period of time such that the power output of the two coupled self-regulating nuclear reactors is at least as great as an initial output of the self-regulating nuclear reactor. 33. The method of claim 22, further comprising: heating a heat transfer fluid using the self-regulating nuclear reactor; andcirculating the heat transfer fluid through at least one of the heaters using a circulation system. 34. The method of claim 33, wherein the heat transfer fluid is a molten salt. 35. The method of claim 33, wherein the heat transfer fluid is a molten salt, and wherein the molten salt does not decompose within a temperature range of the self-regulating nuclear reactor. 36. The method of claim 33, wherein the heat transfer fluid is a molten salt, and wherein the molten salt comprises nitrite salt. 37. The method of claim 33, wherein at least a portion of the heat transfer fluid circulates directly through the self-regulating nuclear reactor.
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