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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0841312 (2001-04-24) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 233 인용 특허 : 271 |
A hydrocarbon containing formation may be treated using an in situ thermal process. Hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation from heat sources to raise a temperature of a portion of the formation to a desired temperature
A hydrocarbon containing formation may be treated using an in situ thermal process. Hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation from heat sources to raise a temperature of a portion of the formation to a desired temperature. A heat transfer fluid may be circulated within wellbores of some heat sources to heat the formation. The heat transfer fluid may be combustion gas from burners.
1. An in situ method for heating a hydrocarbon containing formation, comprising: oxidizing a fuel fluid in a heater; providing at least a portion of the oxidized fuel fluid into a conduit disposed in an opening of the formation; allowing heat to transfer from the oxidized fuel fluid to a sec
1. An in situ method for heating a hydrocarbon containing formation, comprising: oxidizing a fuel fluid in a heater; providing at least a portion of the oxidized fuel fluid into a conduit disposed in an opening of the formation; allowing heat to transfer from the oxidized fuel fluid to a section of the formation; and allowing additional heat to transfer from an electric heater disposed in the opening to the section of the formation, wherein heat is allowed to transfer substantially uniformly along a length of the opening. 2. The method of claim 1, wherein at least a portion of the conduit is perforated, and wherein providing at least the portion of the oxidized fuel fluid into the opening comprises flowing the oxidized fuel fluid through a perforated conduit.3. The method of claim 1, wherein at least a portion of the conduit is perforated, and wherein providing at least the portion of the oxidized fuel fluid into the opening comprises flowing the oxidized fuel fluid through the perforated conduit, the method further comprising removing an exhaust fluid through the opening.4. The method of claim 1, further comprising initiating oxidation of the fuel fluid in the heater with a flame.5. The method of claim 1, further comprising removing the oxidized fuel fluid through the conduit.6. The method of claim 1, further comprising removing the oxidized fuel fluid through the conduit and providing the removed oxidized fuel fluid to a burner.7. The method of claim 1, wherein the conduit comprises an insulator disposed on a surface of the conduit, the method further comprising tapering a thickness of the insulator such that heat is allowed to transfer substantially uniformly along a length of the conduit.8. The method of claim 1, wherein the electric heater is an insulated conductor.9. The method of claim 1, wherein the electric heater is a conductor disposed in the conduit.10. The method of claim 1, wherein the electric heater is an elongated conductive member.11. The method of claim 1, wherein the hydrocarbon containing formation comprises a coal formation.12. The method of claim 1, wherein the hydrocarbon containing formation comprises an oil shale formation.13. The method of claim 1, wherein the hydrocarbon containing formation comprises a heavy oil and/or tar containing permeable formation.14. The method of claim 1, wherein the hydrocarbon containing formation comprises a heavy oil and/or tar containing impermeable formation.15. An in situ method for heating a hydrocarbon containing formation, comprising: oxidizing a fuel fluid in a burner; providing at least a portion of the oxidized fuel fluid into an inner conduit disposed in an outer conduit disposed in an opening of the formation; allowing heat to transfer from the oxidized fuel fluid to a section of the formation; and allowing additional heat to transfer from an electrical heater disposed in the opening to the section of the formation, wherein heat is allowed to transfer substantially uniformly along a length of the opening. 16. The method of claim 15, wherein at least a portion of the inner conduit is perforated, and wherein providing at least the portion of the oxidized fuel fluid into the opening comprises flowing the oxidized fuel fluid through the perforated inner conduit.17. The method of claim 15, wherein at least a portion of the inner conduit is perforated, and wherein providing at least the portion of the oxidized fuel fluid into the opening comprises flowing the oxidized fuel fluid through the perforated inner conduit, the method further comprising allowing oxidized fuel fluid to flow from the inner conduit to the outer conduit proximate the bottom of the opening and removing an exhaust fluid through the opening.18. The method of claim 15, further comprising initiating oxidation of the fuel fluid in the burner with a flame.19. The method of claim 15, further comprising removing the oxidized fuel fluid through the outer conduit.20. The method of claim 15, further comprising removing the oxidized fuel fluid through the outer conduit and providing the removed oxidized fuel fluid to an additional burner.21. The method of claim 15, wherein the inner conduit is insulated, the method further comprising tapering a thickness of the insulator such that heat is allowed to transfer substantially uniformly along a length of the inner conduit.22. The method of claim 15, wherein the outer conduit is insulated.23. The method of claim 15, wherein the electric heater is an insulated conductor.24. The method of claim 15, wherein the electric heater is a conductor disposed in the outer conduit.25. The method of claim 15, wherein the electric heater is an elongated conductive member.26. An in situ method for heating a hydrocarbon containing formation, comprising: oxidizing a fuel fluid in a burner; providing at least a portion of the oxidized fuel fluid into a conduit disposed in an opening of the formation; allowing heat to transfer from the oxidized fuel fluid to a section of the formation; and allowing additional heat to transfer from an electric heater disposed in the opening to the section of the formation, wherein heat is allowed to transfer substantially uniformly along a length of the opening. 27. The method of claim 26, wherein at least a portion of the conduit is perforated, and wherein providing at least the portion of the oxidized fuel fluid into the opening comprises flowing the oxidized fuel fluid through the perforated conduit.28. The method of claim 26, wherein at least a portion of the conduit is perforated, and wherein providing at least the portion of the oxidized fuel fluid into the opening comprises flowing the oxidized fuel fluid through the perforated conduit, the method further comprising removing an exhaust fluid through the opening.29. The method of claim 26, further comprising initiating oxidation of the fuel fluid in the burner with a flame.30. The method of claim 26, further comprising removing the oxidized fuel fluid through the conduit.31. The method of claim 26, further comprising removing the oxidized fuel fluid through the conduit and providing the removed oxidized fuel fluid to an additional burner.32. The method of claim 26, wherein the conduit comprises an insulator disposed on a surface of the conduit, the method further comprising tapering a thickness of the insulator such that heat is allowed to transfer substantially uniformly along a length of the conduit.33. The method of claim 26, wherein the electric heater is an insulated conductor.34. The method of claim 26, wherein the electric heater is a conductor disposed in the conduit.35. The method of claim 26, wherein the electric heater is an elongated conductive member.
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