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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0841436 (2001-04-24) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 195 인용 특허 : 341 |
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 a relatively impermeable formation to raise a temperature of a portion of the formation to a pyrolysis temper
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 a relatively impermeable formation to raise a temperature of a portion of the formation to a pyrolysis temperature. Vaporized hydrocarbons and pyrolysis fluids may be produced from the formation.
1. A method for treating hydrocarbons in at least a section of a hydrocarbon containing formation, wherein the section has an initial average permeability of less than about 10 millidarcy, comprising:providing heat from one or more heat sources to the formation; allowing the heat to transfer from on
1. A method for treating hydrocarbons in at least a section of a hydrocarbon containing formation, wherein the section has an initial average permeability of less than about 10 millidarcy, comprising:providing heat from one or more heat sources to the formation; allowing the heat to transfer from one or more of the heat sources to a part of the formation such that heat from one or more of the heat sources pyrolyzes at least some hydrocarbons in the part, and wherein heat from one or more of the heat sources vaporizes at least some of the hydrocarbons in the part; producing a mixture comprising hydrocarbons from the formation; monitoring a composition of the produced mixture; and controlling a pressure in at least a portion of the formation to control the composition of the produced mixture. 2. The method of claim 1, wherein the one or more heat sources comprise at least two heat sources, and wherein superposition of heat from at least the two heat sources pyrolyzes at least some hydrocarbons in the part of the formation, and wherein superposition of heat from at least the two heat sources vaporizes at least some hydrocarbons in the part.3. The method of claim 1, further comprising allowing heat to transfer from at least one of the heat sources to the part to create thermal fractures in the formation, wherein the thermal fractures substantially increase the permeability of the part.4. The method of claim 1, wherein the heat is provided such that an average temperature in the part ranges from about 270° C. to about 375° C.5. The method of claim 1, wherein at least one of the heat sources comprises an electrical heater located in the formation.6. The method of claim 1, wherein at least one of the heat sources is located in a heater well, and wherein the heater well comprises a conduit located in the formation, and further comprising heating the conduit by flowing a hot fluid through the conduit.7. The method of claim 1, wherein at least some of the heat sources are arranged in a triangular pattern.8. The method of claim 1, wherein the pressure is controlled by a valve proximate to a location where the mixture is produced.9. The method of claim 1, wherein the pressure is controlled such that a pressure proximate to one or more of the heat sources is greater than a pressure proximate to a location where the mixture is produced.10. The method of claim 1, wherein an average distance between heat sources is between about 2 m and about 8 m.11. A method for treating hydrocarbons in at least a section of a hydrocarbon containing formation, wherein the section has an initial average permeability of less than about 10 millidarcy, comprising:providing heat from one or more of the heaters to the formation; allowing the heat to transfer from one or more of the heaters to a part of the formation such that heat from one or more of the heaters pyrolyzes at least some hydrocarbons in the part of the formation, and wherein heat from one or more of the heaters vaporizes at least some of the hydrocarbons in the part of the formation; producing a mixture comprising hydrocarbons from the formation; monitoring a composition of the produced mixture; and controlling a pressure in at least a portion of the formation to control the composition of the produced mixture. 12. The method of claim 11, wherein the one or more heaters comprise at least two heaters, and wherein superposition of heat from at least the two heaters pyrolyzes at least some hydrocarbons in the part of the formation, and wherein superposition of heat from at least the two heaters vaporizes at least some hydrocarbons in the part of the formation.13. The method of claim 11, further comprising allowing heat to transfer from at least one of the heaters to the part of the formation to create thermal fractures in the formation, wherein the thermal fractures substantially increase the permeability of the part of the formation.14. The method of claim 11, wherein the heat is provided such that an average temperature in the part of the formation ranges from about 270° C. to about 375° C.15. The method of claim 11, wherein at least on of the heaters comprises an electrical heater located in the formation.16. The method of claim 11, wherein at least some of the heaters are arranged in a triangular pattern.17. The method of claim 11, wherein the pressure is controlled by a valve proximate to a location where the mixture is produced.18. The method of claim 11, wherein the pressure is controlled such that a pressure proximate to one or more of the heaters is greater than a pressure proximate to a location where the mixture is produced.19. The method of claim 11, wherein an average distance between heaters is between about 2 m and about 8 m.20. A method for treating hydrocarbons in at least a section of a hydrocarbon containing formation, wherein the section has an initial average permeability of less than about 10 millidarcy, comprising:providing heat from heaters to the formation; allowing the heat to transfer from the heaters to a part of the formation such that superposition of heat from at least two of the heaters pyrolyzes at least some hydrocarbons in the part of the formation, and wherein heat from at least two of the heaters vaporizes at least a portion of the hydrocarbons in the part of the formation; producing a mixture comprising hydrocarbons from the formation; monitoring a composition of the produced mixture; and controlling a pressure in at least a portion of the formation to control the composition of the produced mixture. 21. The method of claim 20, further comprising allowing heat to transfer from at least one of the heaters to the part of the formation to create thermal fractures in the formation, wherein the thermal fractures substantially increase the permeability of the part of the formation.22. The method of claim 20, wherein the heat is provided such that an average temperature in the part of the formation ranges from about 270° C. to about 375° C.23. The method of claim 20, wherein at least one of the heaters comprises an electrical heater located in the formation.24. The method of claim 20, wherein at least some of the heaters are arranged in a triangular pattern.25. The method of claim 20, wherein the pressure is controlled by a valve proximate to a location where the mixture is produced.26. The method of claim 20, wherein the pressure is controlled such that a pressure proximate to one or more of the heaters is greater than a pressure proximate to a location where the mixture is produced.27. The method of claim 20, wherein an average distance between heaters is between about 2 m and about 8 m.28. The method of claim 20, comprising providing hydrogen (H2) to at least a portion of the formation.29. The method of claim 20, comprising providing hydrogen (H2) to at least a portion of the formation to hydrogenate at least some hydrocarbons in the formation.30. The method of claim 20, at least on of the heaters is located in a heater well, and wherein the heater well comprises a conduit located in the formation, and further comprising heating the conduit by flowing a hot fluid through the conduit.31. The method of claim 20, wherein at least some of the heaters are arranged in an equilateral triangle pattern, and wherein the mixture is produced from production wells, and wherein at least one production well is positioned substantially at a center of an equilateral triangle of heaters of the equilateral triangle pattern.32. The method of claim 20, wherein at least some of the heaters are arranged in a square pattern, and wherein the mixture is produced from production wells, and wherein at least one production well is positioned substantially at a center of square of heaters of the square pattern.33. The method of claim 1, further comprising providing hydrogen (H2) to at least a portion of the formation.34. The method of claim 1, further comprising providing hydrogen (H2) to at least a portion of the formation to hydrogenate at least some hydrocarbons in the formation.35. The method of claim 1, wherein at least some of the heat sources are arranged in an equilateral triangle pattern, and wherein the mixture is produced from production wells, and wherein at least one production well is positioned substantially at a center of an equilateral triangle of heat sources of the equilateral triangle pattern.36. The method of claim 1, wherein at least some of the heat sources are arranged in a square pattern, and wherein the mixture is produced from production wells, and wherein at least one production well is positioned substantially at center of a square of heat sources of the square pattern.37. The method of claim 11, further comprising providing hydrogen to at least a portion of the formation.38. The method of claim 11, further comprising providing hydrogen (H2) to at least a portion of the formation to hydrogenate at least some hydrocarbons in the formation.39. The method of claim 11, wherein a heater of the one or more heaters is located in a heater well, and wherein the heater well comprises a conduit located in the formation, and further comprising heating the conduit by flowing a hot fluid through the conduit.40. The method of claim 11, wherein the one or more heaters comprise a plurality of heaters, wherein at least some of the heaters are arranged in an equilateral triangle pattern, and wherein the mixture is produced from production wells, and wherein at least one production well is positioned substantially at a center of an equilateral triangle of heaters of the equilateral triangle pattern.41. The method of claim 11, wherein the one or ore heaters comprise a plurality of heaters, wherein at least some of the heaters are arranged in a square pattern, and wherein the mixture is produced from production wells, and wherein at least one production well is positioned substantially at a center of a square of heaters of the square pattern.42. A method for treating hydrocarbons in at least a section of a hydrocarbon containing formation, wherein the section has an initial average permeability of less than about 10 millidarcy, comprising:providing electricity to electrical heaters to raise the temperature of portions of the heaters adjacent to the portion; allowing heat to transfer from the heaters to a part of the formation such that superposition of heat from at least two of the heaters pyrolyzes at least some hydrocarbons in the part of the formation; raising an average temperature of the part to a temperature above about 270° C. using the electrical heaters; producing a mixture comprising hydrocarbons from the formation; monitoring a composition of the produced mixture; and controlling a pressure in at least a portion of the formation to control the composition of the produced mixture. 43. The method of claim 42, further comprising creating thermal fractures in the formation from heat applied by the electrical heaters.44. The method of claim 42, wherein at least some of the heaters are arranged in a triangular pattern.45. The method of claim 42, wherein the pressure is controlled by at least one valve proximate to a location where the mixture is produced.46. The method of claim 42, wherein the pressure is controlled such that pressure proximate to one or more of the heaters is greater than a pre sure proximate to a location where the mixture is produced.47. The method of claim 42, wherein an average distance between heaters is between about 2 m and about 8 m.48. The method of claim 42, further comprising providing hydrogen (H2) to at least a portion of the formation.49. The method of claim 42, wherein at least some of the heaters are arranged in an equilateral triangle pattern, and wherein the mixture is produced from production wells, and wherein at least one production well is positioned substantially at a center of an equilateral triangle of heaters of the equilateral triangle pattern.50. The method of claim 42, wherein at least some of the heaters are arranged in a square pattern, and wherein the mixture is produced from production wells, and wherein at least one production well is positioned substantially at a center of square of heaters of the square pattern.
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