Note: This module was originally called Reservoir Continuity Analysis, but was renamed after substantial new features were added.

In Danomics Petrophysics Insights users are guided through a workflow that walks them through a number of modules. These modules are located via a dropdown menu at the top center of the window. The modules are listed in the order in which a user should ideally proceed through a project. However, this order is not strictly enforced and the user can start at any module and can seamlessly move both forward and back through the modules. This help article will focus on the Pore Pressure and Geomechanics module.

Pore Pressure & Geomechanics

To activate the Pore Pressure & Geomechanics module, select “Pore Pressure & Geomechanics” from the module dropdown selection menu located in the top-middle area of the page.

This module is designed to help users determine the brittleness, moduli, pore pressure, and ability to connect via the completion.

Method Parameters and Criteria

The user will need to select whether to analyze on net reservoir or net pay, define the properties of a frac barrier, enter a minimum thickness for the reservoir, the maximum non-reservoir that can be fracked through, and the maximum frac barrier than can be fracked through.

The expression box works the same as the criteria used in the Cutoffs Module, which can be used as a reference.

The output curves is the “frac_package” flag, which is a one when the package meets the criteria, and a zero when it does not.

Updated Parameters and Methods

  • Pore Pressure: pore pressure can now be calculated by via both sonic and resistivity using the Eaton and Modified Eaton methods. The Vclay cutoff is used for determining which intervals are “shales”, which is a requirement for using Eaton’s methods.
  • Lithostatic and Hydrostatic pressure gradients can now be added to aid in visualizing zones that are over/under pressured.
  • Brittleness can now be determined using the methods of Jarvie et al., Wang et al., or Danomics’ internal Simpleton method.
Categories: HelpPetrophysics