Productivity Ratio of Hydraulically Fractured Formation

PR_f=\left(\frac{k_fW}{kh}\right)\frac{\left(\frac{kh}{k_fW}+1\right)\ln(r_e/r_w)}{\left(\frac{k_fW}{kh}+1\right)\ln(r_e/r_f)+\ln(r_f/r_w)}

Tabular solver

Run the same equation across multiple cases and compare results in one table.