Effect of Fluid/Rock Interactions on Physical Character of Tight Sandstone Reservoirs during CO₂ Flooding

Table 1

Composition of the formation water.

Ions	HCO3^-	Cl^-	Ba^2+	Sr^2+	Ca^2+	Mg^2+	K^++Na^+	TDS
C,mg/L	109	57831	112	493	22891	76	10943	92455