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최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 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 | US-0128698 (2002-04-24) |
§371/§102 date | 20020226 (20020226) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 226 인용 특허 : 404 |
The oil shale formation may be treated using an in situ thermal process. Heat may be provided to a section of the formation from one or more heat sources. A portion of a heat source may include conductive material. In some embodiments, the conductive portion may reduce heat loss to a non-hydrocarbon
The oil shale formation may be treated using an in situ thermal process. Heat may be provided to a section of the formation from one or more heat sources. A portion of a heat source may include conductive material. In some embodiments, the conductive portion may reduce heat loss to a non-hydrocarbon containing layer in the formation. Heat may be allowed to transfer from the heat sources to a section of the formation. Hydrocarbons, H2, and/or other formation fluids may be produced from the formation.
1. A system configurable to heat an oil shale formation, comprising:a conduit configurable to be placed in an opening in the formation; a first electrically conductive material clad to at least a portion of an inside surface of the conduit; a conductor configurable to be placed in the conduit, where
1. A system configurable to heat an oil shale formation, comprising:a conduit configurable to be placed in an opening in the formation; a first electrically conductive material clad to at least a portion of an inside surface of the conduit; a conductor configurable to be placed in the conduit, wherein the conductor is further configurable to provide an electrically resistive heat output during application of electrical current to the conductor; a second electrically conductive material clad to at least a portion of the conductor, wherein the second electrically conductive material lowers an electrical resistance of the conductor in an overburden of the formation during use; and wherein the system is configurable to allow heat to transfer from the conductor to a part of the formation during use. 2. The system of claim 1, further comprising a substantially low resistance conductor configurable to be electrically coupled to the conductor and the second electrically conductive material during use, wherein the substantially low resistance conductor is further configurable to be placed in the overburden of the formation.3. The system of claim 2, wherein the low resistance conductor comprises carbon steel.4. The system of claim 1, wherein the second electrically conductive material comprises metal tubing clad to the conductor.5. The system of claim 1, wherein the second electrically conductive material comprises an electrically conductive coating applied to the conductor.6. The system of claim 1, wherein the first or the second electrically conductive material comprises a thermal plasma applied coating.7. The system of claim 1, wherein the second electrically conductive material is sprayed on the conductor.8. The system of claim 1, wherein the first or the second electrically conductive material comprises aluminum.9. The system of claim 1, wherein the first or the second electrically conductive material comprises copper.10. The system of claim 1, wherein the second electrically conductive material reduces the electrical resistance of the conductor in the overburden by a factor of greater than about 3.11. The system of claim 1, wherein the second electrically conductive material reduces the electrical resistance of the conductor in the overburden by a factor of greater than about 15.12. The system of claim 1, wherein the system is further configurable to allow at least some hydrocarbons to pyrolyze in the heated part of the formation during use.13. The system of claim 1, wherein the system is configured to heat an oil shale formation, and wherein the system comprises:a conduit configured to be placed in an opening in the formation; a conductor configured to be placed in the conduit, wherein the conductor is further configured to provide an electrically resistive heat output during application of electrical current to the conductor; an electrically conductive material clad to the conductor, wherein the electrically conductive material lowers an electrical resistance of the conductor in the overburden during use; and wherein the system is configured to allow heat to transfer from the conductor to a part of the formation during use. 14. The system of claim 1, wherein the system heats an oil shale formation, and wherein the system comprises:a conduit placed in an opening in the formation; a conductor placed in the conduit, wherein the conductor provides an electrically resistive heat output during application of electrical current to the conductor; an electrically conductive material clad to the conductor, wherein the electrically conductive material lowers an electrical resistance of the conductor in the overburden during use; and wherein the system allows heat to transfer from the conductor to a part of the formation during use. 15. An in situ method for heating an oil shale formation, comprising:applying an electrical current to a conductor to provide heat to at least a portion of the formation, wherein the conductor is placed in a conduit, wherein the conduit is placed in an opening in the formation, wherein the conductor is clad to an electrically conductive material, and wherein the electrically conductive material lowers an electrical resistance of the conductor in an overburden of the formation during use; allowing the heat to transfer from the conductor to a part of the formation; and pyrolyzing at least some hydrocarbons in the formation. 16. The method of claim 15, wherein the electrically conductive material comprises copper.17. The method of claim 15, further comprising coupling an electrically conductive material to an inside surface of the conduit.18. The method of claim 15, wherein the electrically conductive material comprises metal tubing clad to the conductor.19. A system configurable to heat an oil shale formation, comprising:a conduit configurable to be placed in an opening in the formation; a conductor configurable to be placed in the conduit, wherein the conductor is further configurable to provide an electrically resistive heat output during application of electrical current to the conductor; an electrically conductive material clad to at least a portion of the conductor, wherein the electrically conductive material lowers an electrical resistance of the conductor in an overburden of the formation during use; a relatively low resistance conductor comprising carbon steel, wherein the low resistance conductor is configurable to be positioned in the overburden and wherein the low resistance conductor is electrically coupled to the conductor and the electrically conductive material during use; and wherein the system is configurable to allow heat to transfer from the conductor to a part of the formation during use. 20. The system of claim 19, wherein the electrically conductive material comprises a thermal plasma applied coating.21. The system of claim 19, wherein the electrically conductive material is sprayed on the conductor.22. The system of claim 19, wherein the electrically conductive material comprises aluminum.23. The system of claim 19, wherein the electrically conductive material comprises copper.24. The system of claim 19, wherein the electrically conductive material reduces the electrical resistance of the conductor in the overburden by a factor of greater than about 3.25. The system of claim 19, wherein the electrically conductive material reduces the electrical resistance of the conductor in the overburden by a factor of greater than about 15.26. The system of claim 19, wherein the electrically conductive material comprises metal tubing clad to the conductor.27. The system of claim 19, wherein the electrically conductive material comprises an electrically conductive coating applied to the conductor.28. A system configurable to heat an oil shale formation, comprising:a conduit configurable to be placed in an opening in the formation; a conductor configurable to be placed in the conduit, wherein the conductor is further configurable to provide an electrically resistive heat output during application of electrical current to the conductor; aluminum clad to at least a portion of the conductor, wherein the aluminum lowers an electrical resistance of the conductor in an overburden of the formation during use; and wherein the system is configurable to allow heat to transfer from the conductor to a part of the formation during use. 29. The system of claim 28, wherein the aluminum comprises a thermal plasma applied coating.30. The system of claim 28, wherein the aluminum is sprayed on the conductor.31. The system of claim 28, wherein the aluminum reduces the electrical resistance of the conductor in the overburden by a factor of greater than about 3.32. The system of claim 28, wherein the aluminum reduces the electrical resistance of the conductor in the overburden by a factor of greater than about 15.33. The system of claim 28, wherein the aluminum comprises tubing clad to the conductor.34. The system of claim 28, wherein the aluminum material comprises a coating applied to the conductor.35. A system configurable to heat an oil shale formation, comprising:a conduit configurable to be placed in an opening in the formation; a conductor configurable to be placed in the conduit, wherein the conductor is further configurable to provide an electrically resistive heat output during application of electrical current to the conductor; copper clad to at least a portion of the conductor, wherein the copper lowers an electrical resistance of the conductor in an overburden of the formation during use; and wherein the system is configurable to allow heat to transfer from the conductor to a part of the formation during use. 36. The system of claim 35, wherein the copper comprises a thermal plasma applied coating.37. The system of claim 35, wherein the copper is sprayed on the conductor.38. The system of claim 35, wherein the copper reduces the electrical resistance of the conductor in the overburden by a factor of greater than about 3.39. The system of claim 35, wherein the copper reduces the electrical resistance of the conductor in the overburden by a factor of greater than about 15.40. The system of claim 35, wherein the copper comprises tubing clad to the conductor.41. The system of claim 35, wherein the copper comprises a coating applied to the conductor.
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