IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0286576
(2011-11-01)
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등록번호 |
US-8960285
(2015-02-24)
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발명자
/ 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
Allen, Dyer, Doppelt, Milbrath & Gilchrist, P.A.
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인용정보 |
피인용 횟수 :
0 인용 특허 :
42 |
초록
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A method for hydrocarbon resource recovery in a subterranean formation including a laterally extending injector well having a tubular conductor therein, and a laterally extending producer well adjacent the injector well, may include drilling outwardly from a distal end of the injector well beyond a
A method for hydrocarbon resource recovery in a subterranean formation including a laterally extending injector well having a tubular conductor therein, and a laterally extending producer well adjacent the injector well, may include drilling outwardly from a distal end of the injector well beyond a distal end of the tubular conductor to define an extended injector well portion. The method may further include advancing a radio frequency (RF) conductor through the tubular conductor so as to extend beyond the distal end of the tubular conductor and into the extended injector well portion. The method may further include supplying RF energy into adjacent portions of the subterranean formation from the RF conductor, and recovering hydrocarbon resources utilizing the producer well.
대표청구항
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1. A method for hydrocarbon resource recovery in a subterranean formation comprising an originally drilled laterally extending injector well having a tubular conductor therein, and a laterally extending producer well adjacent the injector well, the originally drilled laterally extending injector wel
1. A method for hydrocarbon resource recovery in a subterranean formation comprising an originally drilled laterally extending injector well having a tubular conductor therein, and a laterally extending producer well adjacent the injector well, the originally drilled laterally extending injector well having been drilled at a first drilling and laterally extending producer well having originally been used in recovery of hydrocarbon resources during a first hydrocarbon resource recovery after the first drilling, the method comprising: drilling outwardly, at a second drilling, from a distal end of the originally drilled injector well beyond a distal end of the tubular conductor to define an extended injector well portion, the second drilling being after the first hydrocarbon resource recovery has stopped and after the first drilling;advancing a radio frequency (RF) conductor through the tubular conductor so as to extend beyond the distal end of the tubular conductor and into the extended injector well portion;supplying RF energy into adjacent portions of the subterranean formation from the RF conductor; andrecovering additional hydrocarbon resources, during a second hydrocarbon resource recovery and after the second drilling, utilizing the producer well. 2. The method according to claim 1, wherein supplying RF energy comprises supplying RF energy to upgrade the hydrocarbon resources in the adjacent portions of the subterranean formation. 3. The method according to claim 1, wherein supplying RF energy further comprises coupling an RF source to the tubular conductor and the at least one RF conductor. 4. The method according to claim 1, further comprising positioning at least one dielectric spacer to surround the RF conductor. 5. The method according to claim 1, wherein recovering hydrocarbon resources comprises recovering hydrocarbon resources using Steam Assisted Gravity Drainage (SAGD) using the injector well and producer well. 6. The method according to claim 1, wherein the distal end of the tubular conductor is closed; and further comprising opening the closed distal end. 7. The method according to claim 1, wherein the subterranean formation comprises an oil sand formation. 8. A method of heating a hydrocarbon resource in a subterranean formation comprising an originally drilled laterally extending well having a tubular conductor therein, the originally drilled laterally extending well having been drilled at a first drilling and originally been used in recovery of hydrocarbon resources during a hydrocarbon resource recovery after the first drilling, the method comprising: drilling outwardly, at a second drilling, from a distal end of the originally drilled laterally extending well beyond a distal end of the tubular conductor to define an extended well portion, the second drilling being after the hydrocarbon resource recovery has stopped and after the first drilling;advancing a radio frequency (RF) conductor through the tubular conductor so as to extend beyond the distal end of the tubular conductor and into the extended well portion; andsupplying RF energy into adjacent portions of the subterranean formation from the RF conductor to heat the hydrocarbon resources. 9. The method according to claim 8, wherein supplying RF energy comprises supplying RF energy to upgrade the hydrocarbon resources in the adjacent portions of the subterranean formation. 10. The method according to claim 8, wherein supplying RF energy further comprises coupling an RF source to the tubular conductor and the RF conductor. 11. The method according to claim 8, further comprising positioning at least one dielectric spacer to surround the at least one RF conductor. 12. The method according to claim 8, wherein the distal end of the tubular conductor is closed; and further comprising opening the closed distal end. 13. The method according to claim 8, wherein the subterranean formation comprises an oil sand formation. 14. A method for hydrocarbon resource recovery in a subterranean formation comprising an originally drilled laterally extending injector well having a tubular conductor therein, and a laterally extending producer well adjacent the injector well, the originally drilled laterally extending injector well having been drilled at a first drilling and laterally extending producer well having originally been used in recovery of hydrocarbon resources during a first hydrocarbon resource recovery after the first drilling, the method comprising: drilling outwardly, at a second drilling, from a distal end of the originally drilled injector well beyond a distal end of the tubular conductor to define an extended injector well portion, the second drilling being after the first hydrocarbon resource recovery has stopped and after the first drilling;advancing a radio frequency (RF) conductor through the tubular conductor so as to extend beyond the distal end of the tubular conductor and into the extended injector well portion;positioning at least one dielectric spacer to surround the RF conductor;supplying RF energy to upgrade the hydrocarbon resources into adjacent portions of the subterranean formation from the RF conductor; andrecovering additional hydrocarbon resources, during a second hydrocarbon resource recovery and after the second drilling, using the producer well. 15. The method according to claim 14, wherein supplying RF energy further comprises coupling an RF source to the tubular conductor and the at least one RF conductor. 16. The method according to claim 14, wherein recovering hydrocarbon resources comprises recovering hydrocarbon resources using Steam Assisted Gravity Drainage (SAGD) using the injector well and producer well. 17. The method according to claim 14, wherein the distal end of the tubular conductor is closed; and further comprising opening the closed distal end. 18. The method according to claim 14, wherein the subterranean formation comprises an oil sand formation.
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