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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0841297 (2001-04-24) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 262 인용 특허 : 233 |
A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2,and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. A
A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2,and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. A formation to be treated may produce a relatively large amount of condensable hydrocarbons and/or a relatively large amount of non-condensable hydrocarbons. Hydrocarbons within the formation may have a relatively low initial elemental oxygen weight percentage.
A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2,and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. A
A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H2,and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. A formation to be treated may produce a relatively large amount of condensable hydrocarbons and/or a relatively large amount of non-condensable hydrocarbons. Hydrocarbons within the formation may have a relatively low initial elemental oxygen weight percentage. ontal portion of the well bore. 13. The method of claim 1, wherein the drainage well bore has a distance of about 150 to 500 hundred feet. 14. The method of claim 1, wherein the drainage well bore extends from a section of the first substantially vertical portion of the well bore at a position below the first horizontal portion of the well bore, the drainage well bore sloping downward in a first direction and then inclining upward in a second direction to intersect the first horizontal portion of the well bore, the drainage well bore being configured to allow for the drainage of fluids from the plurality of lateral well bores into the first horizontal portion of the well bore, into the drainage well bore and into the section of the vertical portion of the well bore. 15. The method of claim 14, further including placing a pump in the section of the vertical portion of the well bore that extends a distance below the drainage well bore for pumping fluids from the drainage well bore to the surface. 16. The method if claim 1, wherein the drainage well bore extends from the first horizontal portion of the well bore, at a position in front of a first of the plurality of lateral well bores, the drainage well bore sloping downward in a first direction and then extending outward in a second direction substantially parallel to the first horizontal portion of the well bore, the drainage well bore being configured to allow for the drainage of fluids from the plurality of lateral well bores into the first horizontal portion of the well bore, and into the drainage well bore. 17. The method of claim 16, further including placing a pump in a section of the drainage well bore for pumping fluids from the drainage well bore to the surface. 18. The method of claim 1, further including: drilling a second horizontal well bore below the first horizontal portion of the well bore, the second horizontal well bore intersecting the first horizontal portion at a position in front of the drainage well bore, the second horizontal well bore sloping downward in a first direction intersecting a second subterranean reservoir and then extending outward in a second substantially horizontal direction into the second subterranean reservoir drilling a plurality of lateral well bores intersection and extending from the second horizontal well bore; drilling a drainage well bore below and substantially parallel to the second horizontal well bore, the drainage well bore intersecting the second horizontal well bore; wherein the drainage well bore is configured to allow for the drainage of fluids from the plurality of lateral well bores and the first and second horizontal well bores. 19. The method of claim 18, wherein the second horizontal well bore is drilled in a direction that is up-dip to a naturally occurring dip of the subterranean reservoir. 20. The method of claim 19, wherein the plurality of lateral well bores are drilled in a direction that is up-dip to a naturally occurring dip of the subterranean reservoir. 21. The method of claim 18, wherein the drainage well bore extends from the second horizontal well bore, at a position in front of a first of the plurality of lateral well bores, the drainage well bore sloping downward in a first direction and then extending outward in a second direction substantially parallel to the second horizontal well bore, the drainage well bore being configured to allow for the drainage of fluids from the plurality of lateral well bores into the second horizontal well bore, and into the drainage well bore. 22. The method of claim 21, further including placing a pump in a section of the drainage well bore for pumping fluids from the drainage well bore to the surface. 23. The method of claim 1, wherein a section of the vertical portion of the well bore extends a predetermined distance below the first horizontal portion of the well bore, the vertical section having a first and second side, the drainage well bore extending in a l oop that originates from the first side of the vertical section, the loop thereafter intersecting the vertical section and exiting on the second side of the vertical section, the loop sloping in a first downward direction below the position of the first horizontal portion of the well bore and then inclining upward in a second direction to intersect the first horizontal portion of the well bore, the drainage well bore being configured to allow for the drainage of fluids from the plurality of lateral well bores into the first horizontal portion of the well bore, into the drainage well bore and into the vertical section of the well bore. 24. The method of claim 23, further including placing a pump in the vertical section of the well bore that extends a distance below the drainage well bore for pumping fluids from the drainage well bore to the surface. 25. The method if claim 1, further including producing hydrocarbons from the subterranean reservoir separate from the fluids in the reservoir. 26. The method of claim 1, further including the drilling of multiple horizontal well bores off of the first horizontal portion of the well bore, the multiple horizontal well bores being positioned in the same horizontal plane as the first horizontal portion of the well bore. 27. The method of claim 26, wherein each of the multiple horizontal well bores includes a plurality of lateral well bores intersecting and extending from each of the multiple horizontal well bore. 28. The method of claim 26, wherein one of the multiple horizontal well bores articulates from the first horizontal portion through an 80 to 100° radius to the left of the first horizontal portion into a substantially horizontal position. 29. The method of claim 26, wherein one of the multiple horizontal well bores articulates from the first horizontal portion through an 80 to 100° radius to the right of the first horizontal portion into a substantially horizontal position. 30. A method for the recovery of hydrocarbons from a subterranean reservoir comprising: drilling a well bore having a first substantially vertical portion and a first substantially horizontal portion, the first horizontal portion intersecting the subterranean reservoir; drilling a plurality of lateral well bores intersecting and extending from the first horizontal portion of the well bore; drilling a drainage well bore below and substantially parallel to the first horizontal portion of the well bore, the drainage well bore intersecting the first horizontal portion, the drainage well bore extending from a section of the first substantially vertical portion of the well bore at a position below the first horizontal portion of the well bore, the drainage well bore sloping downward in a first direction and then inclining upward in a second direction to intersect the first horizontal portion of the well bore; wherein the drainage well bore is configured to allow for the drainage of fluids from the plurality of lateral well bores and the first horizontal portion of the well bore, allowing for the recovery of hydrocarbons through the vertical portion of the well bore separate from the fluids. 31. A method for the recovery of hydrocarbons from a subterranean reservoir comprising: drilling a well bore having a first substantially vertical portion and a first substantially horizontal portion, the first horizontal portion intersecting the subterranean reservoir; drilling a plurality of lateral well bores intersecting and extending from the first horizontal portion of the well bore; drilling a drainage well bore below and substantially parallel to the first horizontal portion of the well bore, the drainage well bore intersecting the first horizontal portion, the drainage well bore extending from the first horizontal portion of the well bore, at a position in front of a first of the plurality of lateral well bores, the drainage well bore sloping downward in a first direction and then extending outward in a second direction substantially parallel to the first horizontal portion of the well bore; wherein the drainage well bore is configured to allow for the drainage of fluids from the plurality of lateral well bores and the first horizontal portion of the well bore, allowing for the recovery of hydrocarbons through the vertical portion of the well bore separate from the fluids. 32. A method for the recovery of hydrocarbons from a subterranean reservoir comprising: drilling a well bore having a first substantially vertical portion and a first substantially horizontal portion, the first horizontal portion intersecting the subterranean reservoir; drilling a plurality of lateral well bores intersecting and extending from the first horizontal portion of the well bore; drilling the vertical portion of the well bore to extend a predetermined distance below the first horizontal portion of the well bore, the vertical section having a first and second side; drilling a drainage well bore below and substantially parallel to the first horizontal portion of the well bore, the drainage well bore extending in a loop that originates from the first side of the vertical section, the loop thereafter intersecting the vertical section and exiting on the second side of the vertical section, the loop sloping in a first downward direction below the position of the first horizontal portion of the well bore and then inclining upward in a second direction to intersect the first horizontal portion of the well bore; wherein the drainage well bore is configured to allow for the drainage of fluids from the plurality of lateral well bores and the first horizontal portion of the well bore, allowing for the recovery of hydrocarbons through the vertical portion of the well bore separate from the fluids. ganics Removal on Silicon Wafers," SPIE Optical Microlithography III: Technology for the Next Decade, vol. 470, pp. 164-175 (1984). 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PHP-12(4):365-370 (Dec. 1976). Vig, John R., "UV/ozone cleaning of surfaces," U.S. Army Electronics Technology and Devices Laboratory, ERADCOM, Ft. Monmouth, NJ, 07703-5302, pp. 1027-1034 (Sep./Oct. 1984). Tabe, Michiharu, "UV ozone cleaning of silicon substrates in silicon molecular beam epitaxy," Appl. Phys. Lett., 45(10):1073-1075 (Nov. 1984). Zazzera, L.A., et al., "XPS and SIMS Study of Anhydrous HF and UV/Ozone-Modified Silicon (100) Surfaces," J. Electrochem. Soc., 136(2):484-491 (Feb. 1989). Gabriel, Calvin, et al., "Reduced Device Damage Using An Ozone Based Photoresist Removal Process," SPIE Advances in Resist Technology and Processing V1, vol. 1086, pp. 598-604 (1989). Suemitsu, Maki, et al., "Low Temperature Silicon surface Cleaning by HF Etching/Ultraviolet Ozone Cleaning (HF/UVOC) Method (I)-Optimization of the HF Treatment-," Japan
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