This paper describes the method for oil and water recovery prediction for Cyclic-Steam Stimulated (CSS) oil wells. The main feature of this prediction model is a choice of a cumulative injected steam quantity as "time" for a well activity. A validity of such a choice has been proved by experimental data. Basic predicted values are average water cut and total liquid production per cycle. Field data on water cut in chosen coordinate system has a simple fitted saturation function, and cumulative liquid production is linear. The special computer program, which allows entering field data and receiving all basic functional parameters for a future CSS cycle, has been developed for performing all necessary calculations.


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