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Reservoir Engineering

Toward geologically consistent production forecasts.

Capturing the impact of interpretation and geological features on reservoir production leads to improved models which are easier to history-match, and which yield forecasts you can trust. With SKUA-GOCAD™, reservoir engineers create simulation models that more accurately capture the interpreted structure and stratigraphy of the reservoir, its compartmentalization, its petrophysical content, and therefore its connectivity.

SKUA-GOCAD provides an environment to facilitate the propagation of uncertainty, from seismic and geological interpretation and modeling to production profiles.  Users can efficiently launch and analyze multiple flow simulation scenarios to understand their reservoir potential and associated development risks.


One of the main goals of SKUA-GOCAD is to provide reservoir engineers with the best possible grids for flow simulation. First, SKUA-GOCAD enables the creation of 3D corner-point geometry structured grids that honor the interpreted structure and stratigraphy of the reservoir, with no unwarranted simplifications of the fault system and unconformities. This ensures that geoscientists and engineers refer to the same representation of the underlying geology. Second, SKUA-GOCAD enables the construction of grid cells that are optimal for flow simulation processes, limiting numerical errors. SKUA Flow Simulation Grids accurately bring geology into production forecasts.


Transferring petrophysical properties from a fine-scale geological model to a flow simulation model, typically at a coarser resolution, is a fundamental step of any reservoir modeling workflow. It can be a slow and tedious process that must be done with care to ensure that the volumes and connectivity established in the geological model are propagated to the flow simulation model. With its unique 3D approach, the SKUA-GOCAD LGR and Upscaling module facilitates accurate and fast upscaling operations between grids of different resolutions.


Emerson E&P Software provides a complete set of tools for characterizing a fractured reservoir. The SKUA Stratigraphy module offers a unique way to rapidly compute 3D fracture-related attributes, including the probability of fracture occurrences based on structural deformation. Combined with seismically-derived seismic attributes computed using Paradigm EarthStudy 360™, QSI solutions, structural restoration attributes computed using SKUA Restoration (Kine3D™), and well analysis from Geolog Facimage, they provide the input to SKUA-GOCAD Fracture Modeling, which uses fracture density and orientation information to generate geologically-constrained, discrete fracture networks (DFN) and compute effective fracture flow properties.



Informed reserve estimates are based on accurate production forecasts that can only be obtained if they are based on accurate, static, and dynamic descriptions of the reservoir. This, in turn, is dependent on the joint efforts and knowledge of reservoir geologists who construct the geological model and reservoir engineers who perform the flow simulation of that model. For the most part, these two processes have been completely separate. Using SKUA-GOCAD (respective pre- and post-processing modules for flow simulation), reservoir geologists and reservoir engineers effectively bridge that gap, leading to full collaboration and a complete audit trail, while efficiently investigating alternative geological and development scenarios.