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다음과 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-0841238 (2001-04-24) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 241 인용 특허 : 270 |
A hydrocarbon containing formation may be treated using an in situ thermal process. Hydrocarbons, H 2 , 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 temperat
A hydrocarbon containing formation may be treated using an in situ thermal process. Hydrocarbons, H 2 , 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. Some of the heat sources may be conductors placed within conduits. The conductors may be resistively heated so that the conductors radiantly heat the conduits. The conduits may transfer heat to the formation.
1. A system configured to heat a hydrocarbon containing formation, comprising:a first conduit placed in an opening in the formation, wherein the first conduit is enclosed such that fluids in the opening do not enter the first conduit;a first conductor placed in the first conduit and electrically cou
1. A system configured to heat a hydrocarbon containing formation, comprising:a first conduit placed in an opening in the formation, wherein the first conduit is enclosed such that fluids in the opening do not enter the first conduit;a first conductor placed in the first conduit and electrically coupled to the first conduit, wherein the first conductor and the first conduit are separated by a gap that allows for the presence of a gas between the first conductor and the first conduit;a centralizer placed in the first conduit, the centralizer configured to maintain a location of the first conductor in the first conduit;wherein the first conductor is configured to provide heat to at least a portion of the formation during use; andwherein the system is configured to allow heat to transfer from the first conductor to a part of the formation during use. 2. The system of claim 1, wherein the first conductor is further configured to generate heat during application of an electrical current to the first conductor. 3. The system of claim 1, wherein the first conductor comprises a pipe. 4. The system of claim 1, wherein the first conductor comprises stainless steel. 5. The system of claim 1, wherein the first conduit comprises stainless steel. 6. The system of claim 1, wherein the centralizer comprises ceramic material. 7. The system of claim 1, wherein the centralizer comprises ceramic material and stainless steel. 8. The system of claim 1, wherein the opening comprises a diameter of at least approximately 5 cm. 9. The system of claim 1, further comprising a lead-in conductor coupled to the first conductor, wherein the lead-in conductor comprises a low resistance conductor configured to generate substantially no heat. 10. The system of claim 1, further comprising a lead-in conductor coupled to the first conductor, wherein the lead-in conductor comprises copper. 11. The system of claim 1, further comprising a sliding electrical connector coupled to the first conductor. 12. The system of claim 1, further comprising a sliding electrical connector coupled to the first conductor, wherein the sliding electrical connector is further coupled to the first conduit. 13. The system of claim 1, further comprising a sliding electrical connector coupled to the first conductor, wherein the sliding electrical connector is further coupled to the first conduit, and wherein the sliding electrical connector completes an electrical circuit with the first conductor and the first conduit. 14. The system of claim 1, further comprising a second conductor disposed in the first conduit and at least one sliding electrical connector coupled to the first conductor and the second conductor, wherein at least one of the sliding electrical connectors is configured to generate less heat than the first conductor or the second conductor during use. 15. The system of claim 1, further comprising a fluid disposed in the first conduit, wherein the fluid is configured to maintain a pressure in the first conduit to inhibit deformation of the first conduit during use. 16. The system of claim 1, further comprising a thermally conductive fluid disposed in the first conduit. 17. The system of claim 1, further comprising a thermally conductive fluid disposed in the first conduit, wherein the thermally conductive fluid comprises helium. 18. The system of claim 1, further comprising a fluid disposed in the first conduit, wherein the fluid is configurable to inhibit arcing between the first conductor and the first conduit during use. 19. The system of claim 1, wherein the first conductor is further configurable to generate radiant heat of approximately 650 W/m to approximately 1650 W/m during use. 20. The system of claim 1, further comprising a second conductor disposed in a second conduit and a third conductor disposed in a third conduit, wherein the first conduit, the second conduit and the third conduit are disposed in different openings of the formation, wherein the first conductor is electrically coupled to the second conductor and the third conductor, and wherein the first, second, and third conductors are configurable to operate in a 3-phase Y configuration during use. 21. The system of claim 1, further comprising a second conductor disposed in the first conduit, wherein the second conductor is electrically coupled to the first conductor to form an electrical circuit. 22. The system of claim 1, further comprising a second conductor disposed in the first conduit, wherein the second conductor is electrically coupled to the first conductor to form an electrical circuit with a connector. 23. The system of claim 1, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation. 24. The system of claim 1, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation, and wherein the overburden casing comprises steel. 25. The system of claim 1, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation, and wherein the overburden casing is further disposed in cement. 26. The system of claim 1, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation, and wherein a packing material is disposed at a junction of the overburden casing and the opening. 27. The system of claim 1, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation, wherein a packing material is disposed at a junction of the overburden casing and the opening, and wherein the packing material is further configured to inhibit a flow of fluid between the opening and the overburden casing during use. 28. The system of claim 1, further comprising an overburden casing coupled to the opening and a substantially low resistance conductor disposed in the overburden casing, wherein the substantially low resistance conductor is electrically coupled to the first conductor. 29. The system of claim 1, further comprising an overburden casing coupled to the opening and a substantially low resistance conductor disposed in the overburden casing, wherein the substantially low resistance conductor is electrically coupled to the first conductor, and wherein the substantially low resistance conductor comprises carbon steel. 30. The system of claim 1, further comprising an overburden casing coupled to the opening, a substantially low resistance conductor disposed in the overburden casing, and a centralizer configurable to support the substantially low resistance conductor in the overburden casing. 31. The system of claim 1, wherein the system is configured to provide heat to pyrolyze at least some hydrocarbons in the part of the formation. 32. The system of claim 1, wherein the system is configured to radiatively heat at least a portion of the formation. 33. A system configurable to heat a hydrocarbon containing formation, comprising:a first conduit placed in an opening in the formation;a first conductor placed in the first conduit and electrically coupled to the first conduit, wherein the first conductor and the first conduit are separated by a gap that allows for the presence of a gas between the first conductor and the first conduit;wherein the first conductor is configurable to provide heat to at least a portion of the formation during use; andwherein the system is configurable to allow heat to transfer from the first conductor to a part of the formation during use, and wherein at least some heat radiatively transfers from the first conduit to the formation at a rate of approximately 650 W/m to approximately 1650 W/m during use. 34. The system of claim 33, wherein the first conductor is further configurable to generate heat during application of an electrical current t o the first conductor. 35. The system of claim 33, wherein the first conductor comprises a pipe. 36. The system of claim 33, wherein the first conductor comprises stainless steel. 37. The system of claim 33, wherein the first conduit comprises stainless steel. 38. The system of claim 33, further comprising a centralizer configured to maintain a location of the first conductor in the first conduit. 39. The system of claim 33, further comprising a centralizer configured to maintain a location of the first conductor in the first conduit, wherein the centralizer comprises ceramic material. 40. The system of claim 33, further comprising a centralizer configured to maintain a location of the first conductor in the first conduit, wherein the centralizer comprises ceramic material and stainless steel. 41. The system of claim 33, wherein the opening comprises a diameter of at least approximately 5 cm. 42. The system of claim 33, further comprising a lead-in conductor coupled to the first conductor, wherein the lead-in conductor comprises a low resistance conductor configured to generate substantially no heat. 43. The system of claim 33, further comprising a lead-in conductor coupled to the first conductor, wherein the lead-in conductor comprises copper. 44. The system of claim 33, further comprising a sliding electrical connector coupled to the first conductor. 45. The system of claim 33, further comprising a sliding electrical connector coupled to the first conductor, wherein the sliding electrical connector is further coupled to the first conduit. 46. The system of claim 33, further comprising a sliding electrical connector coupled to the first conductor, wherein the sliding electrical connector is further coupled to the first conduit, and wherein the sliding electrical connector completes an electrical circuit with the first conductor and the first conduit. 47. The system of claim 33, further comprising a second conductor disposed in the first conduit and at least one sliding electrical connector coupled to the first conductor and the second conductor, wherein at least one of the sliding electrical connectors is configured to generate less heat than the first conductor or the second conductor during use. 48. The system of claim 33, further comprising a fluid disposed in the first conduit, wherein the fluid is configured to maintain a pressure in the first conduit to inhibit deformation of the first conduit during use. 49. The system of claim 33, further comprising a thermally conductive fluid disposed in the first conduit. 50. The system of claim 33, further comprising a thermally conductive fluid disposed in the first conduit, wherein the thermally conductive fluid comprises helium. 51. The system of claim 33, further comprising a fluid disposed in the first conduit, wherein the fluid is configured to inhibit arcing between the first conductor and the first conduit during use. 52. The system of claim 33, further comprising a second conductor disposed in a second conduit and a third conductor disposed in a third conduit, wherein first conduit, the second conduit and the third conduit are disposed in different openings of the formation, wherein the first conductor is electrically coupled to the second conductor and the third conductor, and wherein the first, second, and third conductors are configured to operate in a 3-phase Y configuration during use. 53. The system of claim 33, further comprising a second conductor disposed in the first conduit, wherein the second conductor is electrically coupled to the first conductor to form an electrical circuit. 54. The system of claim 33, further comprising a second conductor disposed in the first conduit, wherein the second conductor is electrically coupled to the first conductor to form an electrical circuit with a connector. 55. The system of claim 33, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation . 56. The system of claim 33, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation, and wherein the overburden casing comprises steel. 57. The system of claim 33, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation, and wherein the overburden casing is further disposed in cement. 58. The system of claim 33, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation, and wherein a packing material is disposed at a junction of the overburden casing and the opening. 59. The system of claim 33, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation, wherein a packing material is disposed at a junction of the overburden casing and the opening, and wherein the packing material is configured to inhibit a flow of fluid between the opening and the overburden casing during use. 60. The system of claim 33, further comprising an overburden casing coupled to the opening and a substantially low resistance conductor disposed in the overburden casing, wherein the substantially low resistance conductor is electrically coupled to the first conductor. 61. The system of claim 33, further comprising an overburden casing coupled to the opening and a substantially low resistance conductor disposed in the overburden casing, wherein the substantially low resistance conductor is electrically coupled to the first conductor, and wherein the substantially low resistance conductor comprises carbon steel. 62. The system of claim 33, further comprising an overburden casing coupled to the opening, a substantially low resistance conductor disposed in the overburden casing, and a centralizer configured to support the substantially low resistance conductor in the overburden casing. 63. The system of claim 33, wherein the system is configurable to provide heat to pyrolyze at least some hydrocarbons in the part of the formation. 64. The system of claim 33, wherein the system is configured to heat a hydrocarbon containing formation, wherein the first conductor is configured to provide heat to at least a portion of the formation during use, and wherein the system is configured to allow heat to transfer from the first conductor to the part of the formation during use, and wherein at least some heat radiatively transfers from the first conduit to the formation. 65. The system of claim 33, wherein the system heats a hydrocarbon containing formation, wherein the first conductor provides heat to at least a portion of the formation during use, and wherein the system allows heat to transfer from the first conductor to the part of the formation during use, and wherein at least some heat radiatively transfers from the first conduit to the formation. 66. A system for heating a hydrocarbon containing formation, comprising:a first conduit placed in an opening in the formation;a first conductor placed in the first conduit and electrically coupled to the first conduit, wherein the first conductor and the first conduit are separated by a gap that allows for the presence of a gas between the first conductor and the first conduit;wherein the first conductor provides heat to at least a portion of the formation during use;wherein the system allows heat to transfer from the first conductor to a part of the formation during use; andwherein the system provides heat to pyrolyze at least some hydrocarbons in the part of the formation. 67. The system of claim 66, wherein the first conductor generates heat during application of an electrical current to the first conductor. 68. The system of claim 66, wherein the first conductor comprises a pipe. 69. The system of claim 66, wherein the first conductor comprises stainless steel. 70. The system of claim 66, wh erein the first conduit comprises stainless steel. 71. The system of claim 66, further comprising a centralizer that maintains a location of the first conductor in the first conduit. 72. The system of claim 66, further comprising a centralizer that maintains a location of the first conductor in the first conduit, wherein the centralizer comprises ceramic material. 73. The system of claim 66, further comprising a centralizer that maintains a location of the first conductor in the first conduit, wherein the centralizer comprises ceramic material and stainless steel. 74. The system of claim 66, wherein the opening comprises a diameter of at least approximately 5 cm. 75. The system of claim 66, further comprising a lead-in conductor coupled to the first conductor, wherein the lead-in conductor comprises a low resistance conductor that generates substantially no heat. 76. The system of claim 66, further comprising a lead-in conductor coupled to the first conductor, wherein the lead-in conductor comprises copper. 77. The system of claim 66, further comprising a sliding electrical connector coupled to the first conductor. 78. The system of claim 66, further comprising a sliding electrical connector coupled to the first conductor and the first conduit. 79. The system of claim 66, further comprising a sliding electrical connector coupled to the first conductor and the first conduit, wherein the sliding electrical connector completes an electrical circuit with the first conductor and the first conduit. 80. The system of claim 66, further comprising a second conductor disposed in the first conduit and at least one sliding electrical connector coupled to the first conductor and the second conductor, wherein at least one of the sliding electrical connectors generates less heat than the first conductor or the second conductor during use. 81. The system of claim 66, further comprising a fluid disposed in the first conduit, wherein the fluid maintains a pressure in the first conduit to inhibit deformation of the first conduit during use. 82. The system of claim 66, further comprising a thermally conductive fluid disposed in the first conduit. 83. The system of claim 66, further comprising a thermally conductive fluid disposed in the first conduit, wherein the thermally conductive fluid comprises helium. 84. The system of claim 66, further comprising a fluid disposed in the first conduit, wherein the fluid inhibits arcing between the first conductor and the first conduit during use. 85. The system of claim 66, wherein the first conductor further generates radiant heat of approximately 650 W/m to approximately 1650 W/m during use. 86. The system of claim 66, further comprising a second conductor disposed in a second conduit and a third conductor disposed in a third conduit, wherein first conduit, the second conduit and the third conduit are disposed in different openings of the formation, wherein the first conductor is electrically coupled to the second conductor and the third conductor, and wherein the first, second, and third conductors operate in a 3-phase Y configuration during use. 87. The system of claim 66, further comprising a second conductor disposed in the first conduit, wherein the second conductor is electrically coupled to the first conductor to form an electrical circuit. 88. The system of claim 66, further comprising a second conductor disposed in the first conduit, wherein the second conductor is electrically coupled to the first conductor to form an electrical circuit with a connector. 89. The system of claim 66, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation. 90. The system of claim 66, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation, and wherein the overburden casing comprises steel. 91. The system of claim 66, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation, and wherein the overburden casing is further disposed in cement. 92. The system of claim 66, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation, and wherein a packing material is disposed at a junction of the overburden casing and the opening. 93. The system of claim 66, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation, wherein a packing material is disposed at a junction of the overburden casing and the opening, and wherein the packing material further inhibits a flow of fluid between the opening and the overburden casing during use. 94. The system of claim 66, further comprising an overburden casing coupled to the opening and a substantially low resistance conductor disposed in the overburden casing, wherein the substantially low resistance conductor is electrically coupled to the first conductor. 95. The system of claim 66, further comprising an overburden casing coupled to the opening and a substantially low resistance conductor disposed in the overburden casing, wherein the substantially low resistance conductor is electrically coupled to the first conductor, and wherein the substantially low resistance conductor comprises carbon steel. 96. The system of claim 66, further comprising an overburden casing coupled to the opening, a substantially low resistance conductor disposed in the overburden casing, and a centralizer to support the substantially low resistance conductor in the overburden casing. 97. The system of claim 66, wherein the system radiatively heats at least a portion of the formation. 98. A system for heating a hydrocarbon containing formation, comprising:a first conduit placed in an uncased opening in the formation;a first conductor placed in the first conduit and electrically coupled to the first conduit, wherein the first conductor and the first conduit are separated by a gap that allows for the presence of a gas between the first conductor and the first conduit;wherein the first conductor is resistively heated to heat the first conduit to a temperature between about 480° C. and about 840° C. during use; andwherein the first conduit is configurable to provide heat to at least a portion of the formation to pyrolyze hydrocarbons in the formation during use. 99. The system of claim 98, wherein the first conductor generates heat during application of an electrical current to the first conductor. 100. The system of claim 98, wherein the first conductor comprises a pipe. 101. The system of claim 98, wherein the first conductor comprises stainless steel. 102. The system of claim 98, wherein the first conduit comprises stainless steel. 103. The system of claim 98, further comprising a centralizer configurable to maintain a location of the first conductor in the first conduit. 104. The system of claim 98, further comprising a centralizer configurable to maintain a location of the first conductor in the first conduit, wherein the centralizer comprises ceramic material. 105. The system of claim 98, further comprising a centralizer configurable to maintain a location of the first conductor in the first conduit, wherein the centralizer comprises ceramic material and stainless steel. 106. The system of claim 98, wherein the opening comprises a diameter of at least approximately 5 cm. 107. The system of claim 98, further comprising a lead-in conductor coupled to the first conductor, wherein the lead-in conductor comprises a low resistance conductor that generates substantially no heat. 108. The system of claim 98, further comprising a lead-in conductor coupled to the first conductor, wherein the lead-in conductor comprises copper. 109. The system of claim 98, further comprising a sliding electrical connector coupled to the firs t conductor. 110. The system of claim 98, further comprising a sliding electrical connector coupled to the first conductor and the first conduit. 111. The system of claim 98, further comprising a sliding electrical connector coupled to the first conductor and the first conduit, wherein the sliding electrical connector is configurable to complete an electrical circuit with the first conductor and the first conduit. 112. The system of claim 98, further comprising a second conductor disposed in the first conduit and at least one sliding electrical connector coupled to the first conductor and the second conductor, wherein at least one of the sliding electrical connectors is configurable to generate less heat than the first conductor or the second conductor during use. 113. The system of claim 98, further comprising a fluid disposed in the first conduit, wherein the fluid is configurable to maintain a pressure in the first conduit to inhibit deformation of the first conduit during use. 114. The system of claim 98, further comprising a thermally conductive fluid disposed in the first conduit. 115. The system of claim 98, further comprising a thermally conductive fluid disposed in the first conduit, wherein the thermally conductive fluid comprises helium. 116. The system of claim 98, further comprising a fluid disposed in the first conduit, wherein the fluid is configurable to inhibit arcing between the first conductor and the first conduit during use. 117. The system of claim 98, wherein the first conductor generates radiant heat of approximately 650 W/m to approximately 1650 W/m during use. 118. The system of claim 98, further comprising a second conductor disposed in a second conduit and a third conductor disposed in a third conduit, wherein first conduit, the second conduit and the third conduit are disposed in different openings of the formation, wherein the first conductor is electrically coupled to the second conductor and the third conductor, and wherein the first, second, and third conductors are configurable to operate in a 3-phase Y configuration during use. 119. The system of claim 98, further comprising a second conductor disposed in the first conduit, wherein the second conductor is electrically coupled to the first conductor to form an electrical circuit. 120. The system of claim 98, further comprising a second conductor disposed in the first conduit, wherein the second conductor is electrically coupled to the first conductor to form an electrical circuit with a connector. 121. The system of claim 98, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation. 122. The system of claim 98, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation, and wherein the overburden casing comprises steel. 123. The system of claim 98, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation, and wherein the overburden casing comprises cement. 124. The system of claim 98, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation, and wherein a packing material is disposed at a junction of the overburden casing and the opening. 125. The system of claim 98, further comprising an overburden casing coupled to the opening, wherein the overburden casing is disposed in an overburden of the formation, wherein a packing material is disposed at a junction of the overburden casing and the opening, and wherein the packing material is further configurable to substantially inhibit a flow of fluid between the opening and the overburden casing during use. 126. The system of claim 98, further comprising an overburden casing coupled to the opening and a substantially low resistance conductor disposed in the overburden casing, wherein the substantially low resistance conductor is electrically coupled to the first conductor. 127. The system of claim 98, further comprising an overburden casing coupled to the opening and a substantially low resistance conductor disposed in the overburden casing, wherein the substantially low resistance conductor is electrically coupled to the first conductor, and wherein the substantially low resistance conductor comprises carbon steel. 128. The system of claim 98, further comprising an overburden casing coupled to the opening and a substantially low resistance conductor disposed in the overburden casing and a centralizer configurable to support the substantially low resistance conductor in the overburden casing. 129. The system of claim 98, wherein the system provides heat to pyrolyze at least some hydrocarbons in the part of the formation. 130. The system of claim 98, wherein the system is configured to heat a hydrocarbon containing formation, and wherein the first conductor is configured to provide heat to at least a portion of the formation during use, and wherein the system is configured to allow heat to transfer from the first conductor to a part of the formation during use. 131. The system of claim 98, wherein the system radiatively heats at least a portion of the formation.
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