Saturation Dependent Dielectric Constant Measurements of Carbonates between 1 MHz and 300 MHz



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The focus of the work is to develop an understanding of the relationship between water saturation dielectric constant. Of the three mechanisms in dielectric modeling shown in previous research, this research isolates the Maxwell-Wagner term by studying clean, carbonate samples with porosities ranging from 8% to 18%. The reflection coefficient was measured from at frequencies between 1 MHz and 300 MHz using an impedance analyzer and dielectric sample holder. Matlab programs were written and utilized to automate the data gathering process and calculate the dielectric constant from the reflection coefficient measurements using the short and open technique. It is concluded that the Maxwell-Wagner term of the dielectric constant scales with the brine filled porosity of a sample.



Dielectric, Carbonates, Dispersion