Study on main controlling factors of hot water flooding development effect in heavy oil reservoir
Hot water flooding can reduce crude oil viscosity,improve water-oil mobility ra-tio and reduce residual oil saturation,which is one of the main ways of heavy oilfield devel-opment.It is of great significance for the design of hot water flooding scheme to explore the main control factors of hot water flooding development.In this paper,by investigating geolog-ical reservoir parameters and development effects of land oilfields,effective reservoir thick-ness,net gross ratio,permeability,viscosity,plane variation coefficient and hot water injec-tion temperature are selected as target parameters,and coefficient of variation is introduced to evaluate the main control factors affecting the recovery efficiency of hot water flooding.The research shows that hot water injection temperature and effective reservoir thickness are the main factors affecting the recovery efficiency of hot water flooding.The research results can guide the selection of hot water flooding oilfield and project design.
hot water floodingmain control factornumerical simulation
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