• Leverett Function
       
Input Field(s)      
Capillary Pressure (Pc) psi
Contact angle (theta) degrees
Formation Permeability (k) mD
Formation Porosity (phi) %
Interfacial tension (Oil-water phases) (Ft) dynes/cm
       
Output Field(s)      
Leverett Function (J)  

  • Calculation Guide
  • Overview
    • Leverett function is a dimensionless function that accounts for capillary pressure as a function of water saturation
  • Equations
    • J = 0.21645 [Pc/(Ft cos(theta))] (k/phi)1/2 [Oilfield Units]
    • --------------------------------------------------
    • J- Leverett Function
    • Pc - Capillary Pressure (psi)
    • Ft - Interfacial tension (dynes/cm)
    • theta - Wettability angle of the rock (degrees)
    • k - Formation Permeability (mD)
    • phi - Formation Porosity (%)
  • Assumptions
  • Reference
    • Practical Enhanced Reservoir Engineering Satter, A; Iqbal, G; Buchwalter, J;
  • Unit Conversion Tool