Research Article

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

Table 3

Mineral composition of the cores.

MineralCompositionW, %

QuartzSiO218.7
Potassium feldsparKAlSi3O818.2
AnorthoseNaAlSi3O8-CaAl2Si2O830.1
CalciteCaCO30.5
LomontiteCaAl2SiO12·4H2O4.4
Clay28.1