Research Article

A Research on the Effect of Heterogeneities on Sandstone Matrix Acidizing Performance

Table 2

Formation parameters.

ParametersHomogeneousHeterogeneous

Average porosity (%)1515
Average permeability (md)5050
Average fraction of fast-reacting mineral (%)2020
Average fraction of slow-reacting mineral (%)7575
Carbonate fraction (%)55
Dimensionless porosity correlation length (, )ā€‰0.08, 0.0001
Porosity coefficient of variation01