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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0644443 (2012-10-04) |
등록번호 | US-9309755 (2016-04-12) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 1 인용 특허 : 774 |
A method for accommodating thermal expansion of a heater in a formation includes flowing a heat transfer fluid through a conduit to provide heat to the formation and providing substantially constant tension to an end portion of the conduit that extends outside the formation. At least a portion of th
A method for accommodating thermal expansion of a heater in a formation includes flowing a heat transfer fluid through a conduit to provide heat to the formation and providing substantially constant tension to an end portion of the conduit that extends outside the formation. At least a portion of the end portion of the conduit is wound around a movable wheel used to apply tension to the conduit.
1. A method for accommodating thermal expansion of a heater in a formation, comprising: flowing a heat transfer fluid through a conduit to provide heat to the formation; andproviding substantially constant tension to an end portion of the conduit that extends outside the formation, wherein at least
1. A method for accommodating thermal expansion of a heater in a formation, comprising: flowing a heat transfer fluid through a conduit to provide heat to the formation; andproviding substantially constant tension to an end portion of the conduit that extends outside the formation, wherein at least a portion of the end portion of the conduit is wound around a movable wheel, the movable wheel being movable at least in a vertical plane while the end portion of the conduit is wound around the movable wheel, and wherein the movable wheel moves at least in the vertical plane to provide the substantially constant tension to the end portion of the conduit. 2. The method of claim 1, further comprising absorbing expansion of the conduit while providing heat to the formation by providing the substantially constant tension to the end portion of the conduit. 3. The method of claim 1, wherein at least part of the end portion of the conduit outside the formation is insulated. 4. The method of claim 1, wherein the movable wheel is movable in both the vertical plane and a horizontal plane. 5. The method of claim 1, wherein the conduit comprises 410 stainless steel, 410Cb stainless steel, 410Nb stainless steel, or P91 steel. 6. The method of claim 1, wherein the heat transfer fluid comprises molten salt. 7. The method of claim 1, wherein the end of the conduit is coupled to a supply unit for heating and/or storing the heat transfer fluid. 8. The method of claim 1, wherein the movable wheel has a diameter of at least about 15 feet. 9. The method of claim 1, wherein the movable wheel moves at least in the vertical plane while the conduit is positioned in the formation. 10. A system for accommodating thermal expansion of a heater in a formation, comprising: a conduit configured to apply heat to the formation when a heat transfer fluid flows through the conduit; anda movable wheel, wherein at least part of an end portion of the conduit is wound around the movable wheel, the movable wheel being movable at least in a vertical plane while the end portion of the conduit is wound around the movable wheel, and wherein the movable wheel is configured to move at least in the vertical plane to maintain substantially constant tension on the end portion of the conduit to absorb expansion of the conduit when the heat transfer fluid flows through the conduit. 11. The system of claim 10, wherein at least part of the end portion of the conduit outside the formation is insulated. 12. The system of claim 10, wherein the movable wheel is movable in both a vertical plane and a horizontal plane. 13. The system of claim 10, wherein the conduit comprises 410 stainless steel, 410Cb stainless steel, 410Nb stainless steel, or P91 steel. 14. The system of claim 10, wherein the heat transfer fluid comprises molten salt. 15. The system of claim 10, wherein the end of the conduit is coupled to a supply unit for heating and/or storing the heat transfer fluid. 16. The system of claim 10, wherein the movable wheel has a diameter of at least about 15 feet. 17. The system of claim 10, wherein the movable wheel is configured to move at least in the vertical plane while the conduit is positioned in the formation.
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