Non-Linear Shale Volume Functions

Clavier v/v

Steiber v/v

Larionov Tertiary v/v

Larionov Older v/v


User inputs Vsh index computed from a linear Vsh property, the app computes the non-linear functions value from the input.

Reference 1: Clavier, C., Hoyle, W., Meunier, D. "Quantitative Interpretation of Thermal Neutron Decay Time Logs: Part I. Fundamentals and Techniques"
Reference 2: Thomas, E.C., Stieber, S.J. "The Distribution of Shale in Sandstones And Its Effect Upon Porosity"
Reference 3: Larionov, V.V. (1969), Radiometry of Boreholes, NEDRA, Moscow (in Russian)
Reference 4: Bhuyan, K., Passey, Q.R. "Clay Estimation From Gr And Neutron -Density Porosity Logs"