By physical modeling and numerical simulation, the characters of horizontal fracturing-assisted steam flooding technology and oil incremental mechanism is summarized, that is, using horizontal fracture to control the steam overlaying rate and delay the steam breakthrough time can be effectively enhance the vertical sweep efficiency.
通过物理模拟和数值模拟,总结出水平压裂辅助蒸汽驱技术特点和增油机理,即利用水平裂缝控制蒸汽超覆速度、推迟蒸汽突破时间,有效提高了纵向波及系数。
The existence of interlayer is very favorable to dilate vertical swept volume and efficiency of water drive for the positive rhythm and block rhythm reservoirs, but it is unfavorable to enhance the sweep efficiency in the reverse rhythm reservoir.
隔夹层的存在有利于正韵律和块状韵律油层扩大纵向波及体积和驱油效率,不利于提高反韵律油层的注水波及效率。
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