The effect of inorganic salt precipitation on oil recovery during CO2 flooding: A case study of Chang 8 block in Changqing oilfield, NW China |
YUAN Zhou,LIAO Xinwei,ZHANG Kuaile,ZHAO Xiaoliang,CHEN Zhiming |
Fig. 5. Core porosity change rates of distilled water group and formation water group displacement experiments under different temperatures and pressure differences. |