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1. 发明授权

US4640356A Process for the enhanced oil recovery of underground mineral oil deposits 失效
标题翻译：提高地下矿物油矿藏采收率的工艺
公开(公告)号：US4640356A
公开(公告)日：1987-02-03
申请号：US700630
申请日：1985-02-12
申请人： Zoltan Heinemann , Heinz Konig
发明人： Zoltan Heinemann , Heinz Konig
IPC分类号： C09K8/592 , C09K8/86 , E21B43/24 , E21B43/25 , E21B33/138
CPC分类号： C09K8/86 , C09K8/592 , E21B43/24
摘要： A process for the enhanced oil recovery of underground mineral oil deposits, in which one or more substances which are scarcely water- and oil-soluble at deposit temperature but are well soluble or volatile in the hot flooding medium and whose melting point lies above the deposit temperature, are added to the flooding medium hot water and/or steam. They move with the hot flooding medium through the deposit and precipitate as a solid preferably at that part of the temperature front which is advancing fastest, thereby constricting the pores of the deposit temporarily and reversibly, until the solid is dissolved or evaporated again by repeated flow of the hot flooding medium, which has the overall effect of an areal and vertical equalization of the temperature front.
摘要翻译：一种用于提高地下矿物油沉积物采油的方法，其中一种或多种在沉积温度下几乎不具有水溶性和油溶性但在热浸渍介质中易溶或易挥发的物质，其熔点位于沉积物上方温度被加到浸渍介质热水和/或蒸汽中。它们与热驱介质一起通过沉积物沉淀并沉淀，优选在温度前沿的那一部分最快地前进，从而临时和可逆地收缩沉积孔，直到固体再次通过反复流动溶解或蒸发的热驱液体，其具有温度前沿的面积和垂直均匀性的总体效果。

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