Yu He

Experimental study on CO2 flooding for enhanced oil recovery in ultra-low permeability reservoirs of the Songliao Basin

<title>Abstract</title> The Daqingzijing Oilfield in the Songliao Basin is characterized by low porosity and ultra-low permeability, exhibiting significant potential for CO ₂ flooding. To further clarify the impact of different CO ₂ injection methods on enha...