Interactive Crossplots

This crossplot displays multiple shale volume curves, calculated from the gamma ray log, using linear and non-linear equations.

This crossplot is used to determine shale resistivity.

This crossplot is used to identify clay types from thorium to potassium ratios.

This crossplot is used to estimate the volume of clay bound water (CBW) when other measurements are not available.

This crossplot is used to determine clay bound water (CBW) resistivity.

This crossplot displays density porosity curves for sandstone, limestone and dolomite grain densities, as well as a porosity value tied to custom inputs.

This crossplot presents Hunt-Raymer sonic porosity curves for sandstone, limestone and dolomite matrix compressional slowness values, as well as a porosity value tied to custom inputs.

This crossplot presents Wyllie sonic porosity curves for sandstone, limestone and dolomite matrix compressional slowness values, as well as a porosity value tied to custom inputs.

This crossplot is based on Katahara’s work and displays how effective porosity and sand grain volumes change with shale volume and distribution, in clastic reservoirs.

This crossplot is used for porosity and lithology determination from the litho-density log and compensated neutron log.

This crossplot is used for porosity and lithology determination from the litho-density log and compensated neutron log.

This crossplot is used to identify rock mineralogy by comparing apparent matrix volumetric photoelectric factor to apparent matrix grain density.

This crossplot presents reference geothermal gradients for Western Canada, and a custom gradient based on user inputs.

This crossplot is used to temperature correct Rw. Outputs include concentration in mg/L and ppm, as well as solution density.

This crossplot is used to estimate an equivalent NaCl concentration from a chemical analysis data set.

This crossplot is used to find the equivalent mud filtrate to water resistivity ratio which is then used to determine water resistivity (Rw).

This crossplot shows how the Simandoux equation changes with resistivity. An output water saturation value is also presented, based on a custom set of inputs.

This crossplot is used to determine a BUCKLE number for water saturation-porosity data sets.

The Pickett plot is a graphical solution used to help define water saturation parameters.

This crossplot is used to graphically determine a cementation exponent (m) value for a set of core data representing a particular rock type.

This crossplot is used to graphically determine a saturation exponent (n) value for a set of core data representing a particular rock type.

This crossplot is used to graphically determine water saturation and matrix parameter values.

This crossplot is used to graphically determine water saturation and matrix parameter values.

This crossplot is used to graphically determine water saturation and matrix parameter values.

This crossplot is based on Schlumberger’s K4 Chart and is used to determine permeability from porosity and water saturation.

This crossplot is used to fit an exponential equation to estimate permeability from porosity.

This crossplot is used to fit a power law equation to estimate permeability from porosity.

This crossplot is used to fit Lucia's permeability equation to porosity-permeability data sets.

These crossplots are used to estimate overburden stress. A linear bulk density function is employed and a full summation table is referenced.

These crossplots are used to estimate overburden stress. A non-linear bulk density function is employed and a full summation table is referenced.

This crossplot displays the relationship between sonic velocities and Poisson’s ratio.

This crossplot displays NOB hydrostatic (hydrostatic net confining pressure) versus depth for core work. An output NOB based on custom inputs is also presented.

A simple display that shows how closure stress changes when a stress or strain correction factor is applied to match field recorded data.