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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0489756 (1983-04-29) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 335 인용 특허 : 5 |
Water is vaporized in an annular upper region of a subsurface formation into which borehole extends from the surface. This creates a substantially nonconducting dielectric in such region extending outwardly from the borehole. Such vaporization is preferably achieved by the application of electrical
Water is vaporized in an annular upper region of a subsurface formation into which borehole extends from the surface. This creates a substantially nonconducting dielectric in such region extending outwardly from the borehole. Such vaporization is preferably achieved by the application of electrical power to an electrode disposed in the borehole. Liquid is produced through the borehole from a lower region of the formation to cool the lower region near the borehole and maintain an electrically conductive path between the formation and the electrode in such lower region through which electrical power is applied to the formation.
A method for recovering liquid hydrocarbons from a water-containing subsurface formation through a borehole extending from the surface of the earth into said formation, said method comprising the steps of: disposing an electrode in said borehole in at least a first portion of said formation, produci
A method for recovering liquid hydrocarbons from a water-containing subsurface formation through a borehole extending from the surface of the earth into said formation, said method comprising the steps of: disposing an electrode in said borehole in at least a first portion of said formation, producing liquid through said borehole from said first portion of said formation, and applying electrical power through said electrode at a rate sufficient to vaporize water in an annular region of said formation extending from said borehole above said first portion while leaving water in said first portion substantially in the liquid phase.
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