oil saturation and oil displacement efficiency.The result shows that viscous oil predominates in the main remaining oil in Xingshugang oilfield after water flooding with a certain amount of low viscosity oil,high viscosity oil and heavy oil;after polymer flooding,the viscous oil is main ingredient....
4) Daqing Lasaxing oilfield 大庆喇萨杏油田 1. Long-term waterflooding exploitation in Daqing Lasaxing oilfield caused changes in reservoir porosity structure,and formed inefficient water circulating formation,that is,the big porous reservoir. 大庆喇萨杏油田长期注水开发导致油层的孔隙结构发生很大变化,...
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ASP floodingPhysical simulationField testMechanism analysisIn order to evaluate reservoir adaptability of the ASP (alkali/surfactant/polymer) system, its field tests have been carried out in Saertu, Xingshugang and Lamadian Oilfield of Daqing. The results show that crude oil compositions have a ...
In order to evaluate reservoir adaptability of the ASP (alkali/surfactant/polymer) system, its field tests have been carried out in Saertu, Xingshugang and Lamadian Oilfield of Daqing. The results show that crude oil compositions have a great effect on the agent concentration in produced liquid...