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Near Wellbore Geomechanics
By Schlumberger
Plug-in Attributes
Platform:
Petrel
ECCN:
Russia origin, EAR99
Version
  • 2016 | 2017 | 2018
Supporting Documents
Installation Guide
Release Notes
User Manual
Overview
The Near Wellbore Geomechanics plugin for Petrel allows an advanced numerical analysis of the wellbore to be carried out and its completion within the Petrel E&P platform. A cylindrical finite element model is built for the near-well region and can utilize either 1D information or full-field and time-lapse 3D geomechanical models for its setup.
Specifications
  • Generation of cylindrical grid along a well
  • Property population, including mud weight, from well logs or surrounding 3D geomechanical grid
  • Specification of isotropic or anisotropic elasticity and various failure criteria
  • Definition of open-hole conditions
  • Definition of cased-hole conditions including multiple casing, liners, and cement with user-defined properties
  • Definition of depletion steps for both, open-hole and cased-hole scenarios (requires input from full-field geomechanical reservoir simulation)
  • Simulation launcher to run VISAGE simulation and import results into Petrel
  • 3D Visualization in Petrel including mesh deformation
Features
The well-centric model is populated with mechanical properties provided by logs or the surrounding geomechanical model. Subsequently the VISAGE simulator is used to compute stress, deformation and failure for open-hole and completed wellbore scenarios. The integration of the near-well model with the full-field model allows the analysis of depletion-induced deformation of the casing and cement.
Additional Information
The model built with the Near Wellbore Geomechanics plugin can consider isotropic and anisotropic elasticity, multiple failure criteria and post-yield behavior. Robust damage predictions for the near-well formation and well completion can be made for conventional and unconventional plays to reduce the risk of wellbore instability and optimize completion designs.