Microscopic CO2 flooding process and remaining oil distribution difference in the Qing 1 Member reservoir of Changling Sag, Songliao Basin
Hailong ZHANG, Zhongcheng LI, Li CHEN, Wei WU, Jinlong LI, Wei CHEN, Kanglin CHEN, Huan PENG
Natural Gas Geoscience . 2026, (3): 558 -567 .  DOI: 10.11764/j.issn.1672-1926.2026.01.012