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    • 22. 发明授权
    • In situ solution mining of coal
    • 煤的原位溶解采矿
    • US3973628A
    • 1976-08-10
    • US573244
    • 1975-04-30
    • Stirling A. Colgate
    • Stirling A. Colgate
    • E21B43/24E21B43/26E21B43/28E21C41/04
    • E21B43/281E21B43/2405E21B43/26
    • Underground strata surrounding a coal seam are prestressed by repeated fracturing with a settable material to strengthen and seal the strata to contain a hydrostatic pressure in the coal seam of about 100 to about 500 atmospheres, thereby providing a gas and liquid-tight seal surrounding and within the coal seam. After the strata surrounding the coal seam and the coal seam itself are sealed, an hydrogenating agent is supplied to the coal seam and is maintained at a temperature of approximately 300 to 500 degrees centigrade and a pressure of from about 100 to about 500 atmospheres to liquefy and hydrogenate the coal in situ. When a region of coal is liquefied out to the boundary of the prestressing, the liquefied coal is pumped out for use.
    • 围绕煤层的地下层通过用可固化材料的反复压裂预应力,以加强和密封地层,以在约100至约500个大气压的煤层中含有静水压力,从而提供围绕和内部的气体和液密密封 煤层。 在煤层周围的煤层和煤层本身被密封之后,将氢化剂供应到煤层,并保持在约300至500摄氏度的温度和约100至约500个大气压的液化液化 并原位氢化煤。 当煤炭区域液化到预应力边界时,液化煤被抽出来使用。
    • 24. 发明授权
    • Method of producing hydrocarbons from an oil shale formation
    • 从油层形成中生产烃类的方法
    • US3759574A
    • 1973-09-18
    • US3759574D
    • 1970-09-24
    • SHELL OIL CO
    • BEARD T
    • E21B43/24E21B43/241E21B43/28
    • E21B43/241E21B43/2405E21B43/281
    • A method of producing hydrocarbons and optionally water-soluble minerals from a subterranean oil shale formation containing zone(s) of water-soluble minerals, by penetrating said formation with at least one borehole and leaching or dissolving the watersoluble minerals from the formation with a solvent fluid so as to form a cavern(s) and/or interconnected cavities, followed by fracturization and/or rubblization of the oil shale surrounding the caverns or cavities, and thereafter injecting into fracturized and/or rubblized zones, a pyrolyzing fluid to effect in-situ hydrocarbon recovery therefrom.
    • 一种从含有水溶性矿物的区域的地下油页岩层中生产烃和任选的水溶性矿物的方法,通过用至少一个钻孔渗透所述地层并将来自地层的水溶性矿物浸出或溶解, 溶剂流体,以便形成一个或多个洞穴和/或相互连接的空腔,随后围绕洞穴或空腔的油页岩的分解和/或破碎,然后将其注入到分解和/或破碎的区域中,将热解流体 影响原位烃回收。
    • 27. 发明授权
    • Method of producing oil from an oil shale formation containing nahcolite and dawsonite
    • 从含有海藻酸盐和石灰石的油层形成物生产油的方法
    • US3700280A
    • 1972-10-24
    • US3700280D
    • 1971-04-28
    • SHELL OIL CO
    • PAPADOPOULOS MICHAEL NUEBER RUSSELL C
    • E21B43/24E21B43/28
    • E21B43/2405E21B43/281
    • A new and improved method of recovering hydrocarbons and dawsonite decomposition products from a subterranean oil shale formation containing substantial amounts of nahcolite and dawsonite comprising penetrating said formation with at least one well borehole and forming a cavern therein. A hot fluid is circulated in the upper region of the cavern to effect formation of carbon dioxide by decomposition of the nahcolite and dawsonite thereby causing pressure build-up resulting in fracturization and/or rubbling and enlargement of the cavern, thereafter injecting simultaneously or sequentially into the upper region of the cavern a cooling liquid, and into the rubblized zone a kerogen-pyrolyzing fluid to recover hydrocarbons and final by recovering dawsonite decomposition products by suitable means such as solution mining.
    • 一种新的和改进的方法,其从含有大量的砂浆和片钠钙石的地下油页岩层中回收碳氢化合物和片钠铝石分解产物,其包括用至少一个井眼穿透所述地层并在其中形成洞穴。 热流体在洞穴的上部区域中循环,以通过分解nahcolite和片钠铝石来形成二氧化碳,从而引起压力积聚,导致洞穴的分解和/或破碎和扩大,然后同时或依次注入 洞穴的上部区域是冷却液体,并且通过适当的方式例如溶液开采,将干酪根热解流体的干酪根热解液回收到碳氢化合物中并最终通过回收片黄质分解产物来回收。