Pore pressure of shale (Traugott)
Input(s)
z: Depth (ft)
: Sonic Velocity
: Resistivity of Shale (ohm )
: Expected Resistivity (ohm ft)
: Hydrostatic Pore Pressure (psi)
Output(s)
: Pore Pressure of Shale (psi)
Formula(s)
Reference(s)
Mark D. Zoback, Reservoir Geomechanics, Cambridge University Press, UK, Page: 47.