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다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 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) |
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출원번호 | UP-0975738 (2007-10-19) |
등록번호 | US-7730947 (2010-06-29) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 103 인용 특허 : 662 |
Methods for treating a tar sands formation are described herein. Methods for treating a tar sands may include heating a portion of a hydrocarbon layer in the formation from one or more heaters located in the portion. The heat may be controlled to increase the permeability of at least part of the por
Methods for treating a tar sands formation are described herein. Methods for treating a tar sands may include heating a portion of a hydrocarbon layer in the formation from one or more heaters located in the portion. The heat may be controlled to increase the permeability of at least part of the portion to create an injection zone in the portion with an average permeability sufficient to allow injection of a fluid through the injection zone. A drive fluid and/or an oxidizing fluid may be provided into the injection zone. At least some hydrocarbons are produced from the portion.
What is claimed is: 1. A method for treating a tar sands formation, comprising: heating a portion of a hydrocarbon layer in the formation from one or more heaters located in the portion; controlling the heating to increase the permeability of at least part of the portion to create an injection zone
What is claimed is: 1. A method for treating a tar sands formation, comprising: heating a portion of a hydrocarbon layer in the formation from one or more heaters located in the portion; controlling the heating to increase the permeability of at least part of the portion to create an injection zone in the portion with an average permeability sufficient to allow injection of a fluid through the injection zone; controlling the pressure in the portion such that the pressure is below the fracture pressure of the portion; providing a drive fluid and/or an oxidizing fluid into the injection zone; and producing at least some hydrocarbons from the portion, wherein the injection zone is above a portion of the formation from which the hydrocarbons are produced. 2. The method of claim 1, wherein the drive fluid and/or the oxidizing fluid moves from the injection zone to mobilize at least some hydrocarbons in the portion. 3. The method of claim 1, further comprising providing at least some heat to the portion using the drive fluid and/or the oxidizing fluid. 4. The method of claim 1, further comprising providing at least some heat outside the injection zone with the drive fluid and/or the oxidizing fluid. 5. The method of claim 1, further comprising increasing the permeability of at least part of the portion outside the injection zone with the drive fluid and/or the oxidizing fluid. 6. The method of claim 1, wherein the drive fluid and/or the oxidizing fluid is selected from a group consisting of steam, water, carbon dioxide, carbon monoxide, methane, pyrolyzed hydrocarbons, air, and mixtures thereof. 7. The method of claim 1, wherein the injection zone has little or no initial injectivity. 8. The method of claim 1, wherein increasing the permeability of the injection zone creates a fluid production network between at least one of the heaters and a production well in the injection zone. 9. The method of claim 1, further comprising providing the drive fluid and/or the oxidizing fluid to a part of the injection zone behind a heat front generated by the heaters. 10. The method of claim 1, wherein the provided heat decreases a viscosity of liquid hydrocarbons in the injection zone with an initial viscosity of above about 10000 cp, wherein the viscosity is measured at 1 atm and 5° C. 11. A method for treating a tar sands formation, comprising: heating a portion of a hydrocarbon layer in the formation from one or more heaters located in the portion; controlling the heating to increase the permeability of at least part of the portion to create an injection zone in the portion with an average permeability sufficient to allow injection of a fluid through the injection zone; controlling the pressure in the portion such that the pressure is below the fracture pressure of the portion; providing a drive fluid and/or an oxidizing fluid into the injection zone; and allowing at least some of the hydrocarbons to flow into a second portion of the formation; providing heat to the second portion of the formation from one or more heaters located in the formation before and/or after allowing at least some of the hydrocarbons to flow into the second portion; and producing at least some hydrocarbons from the second portion of the formation. 12. The method of claim 11, wherein the drive fluid and/or the oxidizing fluid moves from the injection zone to mobilize at least some hydrocarbons in the portion. 13. The method of claim 11, further comprising providing at least some heat to the portion using the drive fluid and/or the oxidizing fluid. 14. The method of claim 11, further comprising providing at least some heat outside the injection zone with the drive fluid and/or the oxidizing fluid. 15. The method of claim 11, further comprising increasing the permeability of at least part of the portion outside the injection zone with the drive fluid and/or the oxidizing fluid. 16. The method of claim 11, wherein the drive fluid and/or the oxidizing fluid is selected from a group consisting of steam, water, carbon dioxide, carbon monoxide, methane, pyrolyzed hydrocarbons, air, and mixtures thereof. 17. The method of claim 11, wherein the injection zone has little or no initial injectivity. 18. The method of claim 11, wherein increasing the permeability of the injection zone creates a fluid production network between at least one of the heaters and a production well in the injection zone. 19. The method of claim 11, further comprising providing the drive fluid and/or the oxidizing fluid to a part of the injection zone behind a heat front generated by the heaters. 20. The method of claim 11, wherein the provided heat decreases a viscosity of liquid hydrocarbons in the injection zone with an initial viscosity of above about 10000 cp, wherein the viscosity is measured at 1 atm and 5° C.
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