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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0583123 (1975-06-02) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 261 인용 특허 : 0 |
A process for producing shale oil by circulating hot fluid through a rubble-containing cavern within a subterranean oil shale which contains water-soluble mineral is improved by burning a carbonaceous residue left within one cavity to produce hot fluid for operating power devices and also pyrolyzing
A process for producing shale oil by circulating hot fluid through a rubble-containing cavern within a subterranean oil shale which contains water-soluble mineral is improved by burning a carbonaceous residue left within one cavity to produce hot fluid for operating power devices and also pyrolyzing the oil shale in a different cavity.
In a process for producing shale oil from a subterranean oil shale formation that contains water-soluble material by forming a cavity within the oil shale formation, leaching water-soluble mineral to form a permeable oil shale rubble within the cavity, and circulating hot fluid through the cavity to
In a process for producing shale oil from a subterranean oil shale formation that contains water-soluble material by forming a cavity within the oil shale formation, leaching water-soluble mineral to form a permeable oil shale rubble within the cavity, and circulating hot fluid through the cavity to pyrolyze the permeable oil shale rubble and recover shale oil, the improvement which comprises: forming at least two cavities; leaching water-soluble minerals by circulating aqueous liquid which is hotter than the surrounding oil shale through at least two cavities to form a relatively hot permeable oil shale rubble in each cavity; initiating an underground combustion and advancing a combustion front through at least one cavity containing a permeable oil shale rubble or a pyrolyzed oil shale rubble that contains carbonaceous material; circulating hot combustion products composed mainly of the oxides of carbon, hydrogen and nitrogen formed by said underground combustion through the permeable oil shale rubble in at least one of said cavities; and recovering shale oil from at least one fluid produced from at least one of said cavities.
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