PetroCalcHubFree
Reservoir EngineeringPressure Transient Analysis

Time to Semi-Steady State for Gas Well Drainage Area

tpss=15.8ϕμgictiAkt_{pss}=\frac{15.8\phi\mu_{gi}c_{ti}A}{k}

Tabular solver

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

Casephifractionmu_gicPc_ti1/psiAft^2kmDResultAction
1Pending
2Pending
3Pending