Influence of viscoelasticity and interfacial tension of non-alkali binary compound solution on recovery efficiency of residual oil after water flooding;

Effect of polymer/amphoteric surfactant compound system on residual oil after water flooding in ultralow interfacial tension;

Enhanced residual oil recovery by using polymer/betaine surfactant system after water flooding;

Identifying residual oil pools and reconstructing hydrocarbon charge history by a quantitative fluorescence techniques along Panyu low uplift-north slope in Baiyun sag;

Efffect of viscoelastisity of HPAM solution on residual oil film;

In connection with residual oil film of different forms after water flooding on the oleophilic rock and the viscoelasticity character of the polymer solution,the Upper-Convected Maxwell constructive equation of viscoelastic fluids was choosed,the model was analysized numerically by using computation fluid software-Polyflow.