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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0488171 (1983-04-25) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 279 인용 특허 : 1 |
Disclosed is a process for converting organic material of oil-shale to predominantly liquids. The oil-shale is first heated to a temperature from about 360°C. to 475°C. in an anionic atmosphere. The resulting liquids and gases are collected and the residue is extracted with a microemulsion capable o
Disclosed is a process for converting organic material of oil-shale to predominantly liquids. The oil-shale is first heated to a temperature from about 360°C. to 475°C. in an anionic atmosphere. The resulting liquids and gases are collected and the residue is extracted with a microemulsion capable of extracting organic material from the heat treated oil-shale.
An in situ method for recovering oil from an oil-shale deposit, which method comprises: (a) fracturing a block of oil-shale to an effective degree; (b) heating the fractured oil-shale to a temperature of about 360°C. to about 475°C.; (c) maintaining the fractured oil-shale within the temperature ran
An in situ method for recovering oil from an oil-shale deposit, which method comprises: (a) fracturing a block of oil-shale to an effective degree; (b) heating the fractured oil-shale to a temperature of about 360°C. to about 475°C.; (c) maintaining the fractured oil-shale within the temperature range of about 360°C. to about 475°C. for an effective amount of time; (d) cooling the heat treated block of fractured oil-shale to below the boiling point of the aqueous phase of the microemulsion; (e) injecting a microemulsion or a coarse emulsion containing a microemulsion phase into the heat treated fractured block of oil-shale, wherein the microemulsion is comprised of: (i) about 0.3 to about 98 wt.% of an extracting agent capable of extracting organic material from the heat treated oil-shale; (ii) about 1 to about 99 wt.% of water containing up to about 25 wt.% dissolved inorganic salts, and (iii) about 0.2 to about 20 wt.% of at least one surfactant capable of forming a microemulsion; (f) recovering the shale-oil containing microemulsion from the block; (g) treating the recovered microemulsion to cause the separation of an excess oil phase comprised of extracting agent and shale-oil; and (h) separating the shale-oil from the extracting agent.
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