The VISAGE finite element geomechanics simulator is the numerical engine for Petrel Geomechanics. VISAGE performs the stress, deformation and failure calculations for the reservoir and its surrounding formations to surface, including faults and fractures. VISAGE also couples to the ECLIPSE/INTERSECT industry reference reservoir simulator to provide 4D life-of-field modelling in which reservoir and geomechanics properties can change with field pressures, temperatures and saturations.

Petrel Geomechanics provides the user-interface for all the VISAGE simulation pre-processing (grid embedment, property modeling and population, boundary conditions, one-way and two-way coupling between VISAGE and ECLIPSE/INTERSECT, run-launch, and run-management) and post-processing (results viewing and quality checking).

VISAGE 2023.1 includes the following improved functionality :

• There was a limit of 999 MPI cores in previous versions, this has now been removed.

• Fix for reading *INTIALISE data when using 64bit integer version.

Industry-leading reservoir geomechanics simulator

The Visage finite-element geomechanics simulator enables you to plan for and mitigate risks by modeling problems before they occur. This includes the following:

Compaction and subsidence

Well and completion integrity

Cap-rock and fault-seal integrity

Fracture behaviour

Thermal recovery

CO2 disposal

The industry-leading Visage simulator has over 20 years’ pedigree and benefits from continuous software development and innovation by SLB.

Seamless end-to-end workflow

Petrel subsurface software combines transparent data flows with an easy-to-learn graphical user interface—Petrel Reservoir Geomechanics—that supports the Visage simulator configuration and results visualization. This enables the powerful functionality of the Visage simulator to be combined seamlessly with other interpretation, modeling, and engineering workflows within Petrel subsurface software.

With the Petrel subsurface software-enabled workflow, you can include multiple data types to create new 3D geomechanics property and stress models, or add geomechanics data to augment existing reservoir subsurface models. This seamless combination within Petrel subsurface software ensures that the geomechanics model is consistent and integrated with geophysics, geology, petrophysics, and reservoir data.

Powerful numerical simulations

The initial structural and properties model, created using Petrel Geomechanics, is submitted to the numerical Visage simulator, and controlled from within the same familiar Petrel environment.

The Visage simulator can also be fully coupled to the Eclipse industry-reference reservoir simulator or next-generation Visage high-resolution reservoir simulator. In one-way coupling, the reservoir simulator models the flow of fluids in the reservoir and calculates the pressure, temperature, and saturation changes that result.

The Visage simulator uses these calculations to perform 3D static or 4D flow-, pressure-, and temperature-coupled calculations for rock stresses, deformations, and failure. Two-way coupling between the reservoir and Visage simulators allows permeability updating of the reservoir model at any selected time steps, as well as updating of mechanical properties in the geomechanics model to account for effects such as changing saturations and water softening.

For large models with many millions of cells or those coupled to a reservoir simulation, users are also able to perform parallel geomechanics simulation runs using local or remote clusters. The entire process—for single machines or multicore clusters—is managed by the Petrel platform, permitting the same seamless workflow to be maintained from project start to end.

Complex and highly heterogeneous models

The Visage simulator is able to model hundreds of faults, hundreds of thousands of discrete fractures, and highly heterogeneous models, meaning that the same high degree of complexity that exists in the geological model can be maintained throughout the geomechanics analyses.

Reservoir geomechanics across field life cycle

The Visage simulator provides powerful 3D and 4D geomechanics simulation across the entire field life cycle. This allows geoscientists and engineers to assess and mitigate potential geomechanics problems affecting well and completions, stimulation, production, injection, and field management.

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