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Optimization of the Plugging Agent Dosage for High Temperature Salt Profile Control in Heavy Oil Reservoirs
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作者 Jiayu Ruan Mingjing Lu +5 位作者 Wei Zhang Yuxi Zhang Yuhui Zhou Jie Gong Fan Wang Yuanxiao Guan 《Fluid Dynamics & Materials Processing》 EI 2023年第2期421-436,共16页
After steam discharge in heavy oil reservoirs,the distribution of temperature,pressure,and permeability in different wells becomes irregular.Flow channels can easily be produced,which affect the sweep efficiency of th... After steam discharge in heavy oil reservoirs,the distribution of temperature,pressure,and permeability in different wells becomes irregular.Flow channels can easily be produced,which affect the sweep efficiency of the oil displacement.Previous studies have shown that the salting-out plugging method can effectively block these channels in high-temperature reservoirs,improve the suction profile,and increase oil production.In the present study,the optimal dosage of the plugging agent is determined taking into account connection transmissibility and inter-well volumes.Together with the connectivity model,a water flooding simulation model is introduced.Moreover,a non-gradient stochastic disturbance algorithm is used to obtain the optimal plugging agent dosage,which provides the basis for the high-temperature salting-out plugging agent adjustment in the field. 展开更多
关键词 Heavy oil salting out profile control high temperature plugging agent dosage optimization numerical simulation connectivity model
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