Launched in 1987, FracMan® is the world’s first commercially available Discrete Fracture Network (DFN) software and has since been adopted by organizations across the infrastructure, mining, energy, power, and nuclear waste sectors. FracMan® Version 8 brings improvements such as new DFN simulation features and enhanced model visualization.
“In FracMan® 8, we built even further on the software’s comprehensive DFN simulation features. Users will see great improvements, combining more physics with greater detailed models,” said Mark Cottrell, Technical Director at Golder in Europe. “This all-new version provides substantial DFN advances in multiple key areas, from fracture characterization, using photogrammetry and DFN conditioning through to scalable multi-physics flow simulation, and more representative fractured rock mass geotechnical analyses.”
FracMan® users are now even better equipped to deliver outstanding characterizations, analysis and modelling work leading to better decision making in less time.
There are many new improvements
Coming to market in FracMan® 8, to help you deliver industry projects with detailed fracture network models. Many of these features are detailed in the below summary:
Flow simulation via PFLOTRAN
We’ve continued to evolve our DFN flow simulation capabilities with improvements in all elements of the workflow. Making full use of high fidelity static DFN models for flow simulation inside FracMan®:
• DFN fracture meshing
Improvements permit larger scale DFN models to be turned into finite volume/element meshing quicker and easier.
• PFLOTRAN flow simulator means
That more physics and greater detail models can be captured in the simulation of fluid flow in the subsurface. Bigger models and better physics including transport, partially saturated flow, matrix coupling and thermal coupling.
• Further improvements to the
loading and post processing of flow simulation results.
Photogrammetric fracture conditioning
A major improvement coming with FracMan® 8 is the ability to condition the stochastic DFN model to perfectly match observed fracture data. Such fracture conditioning has been available in previous versions of FracMan® for conditioning to well fracture data, however - a major improvement allows the user to condition their fracture model to photogrammetry or mapping data, for fracture intensity, size and trace length (size) information.
Grown DFN Fracture Model
A major FracMan® fracture model evolution allows the user to genetically grow DFN fractures sets chronologically to permit fracture intersections and terminations to reflect what is observed in the rock. Better, more geologically realistic DFN fracture models are available in FracMan® 8.
DFN Rockwedge Kinematics
Further improvements in the FracMan® Geotechnical engine room have been included in FracMan® 8. Improvements for bench/slope/tunnel stability analyses include:
• Geometry definition
improvements to properly differentiate between different parts of the slope.
• Improved integration of
rockbolting/shotcrete/pressure support for the rockwedge kinematics workflow.
• DFN grouting workflow for
injection of Bingham fluid (grout) fluids into the fracture network system. Evaluate fracture grouting and sealing performance, and easily optimize grout hole design.
Monte Carlo & Named Parameters
FracMan® 8 has seen significant improvements around Monte Carlo realizations. Seamlessly set up Monte Carlo based workflows for defining improved sequential workflow steps for the range of DFN fracture models, DFN analyses, and output.
Parallel Block-K Flow Based Upscaling
Impressive improvements to the DFN flow based upscaling approach come with FracMan® 8. A radical overhaul of the upscaling engine now permits high resolution DFN models on the field/site scale to be upscaled to equivalent grid properties (permeability/storage) much more efficiently. Making full use of available multi-threading and parallel simulation, flow based upscaling is now able to be used on the large scale DFN static/ dynamic models.
FracMan® now provides fully integrated language support for Spanish, French, Chinese, Russian, and English.
Building on the robust underpinnings of the FracMan® 7 workflows, the FracMan® 8 user interface is totally new. With a new ribbon layout it provides a modern way to help DFN modelling, find, understand, and use FracMan® commands efficiently and directly with a minimum number of clicks, with less need to resort to trial-and- error, and without having to refer to Help. Using a ribbon structure in FracMan® increases discoverability of features and functions, enables quicker learning of the program as a whole, and makes users feel more in control of their experience.
File: for performing standard model and file handling operations.
View: for rapid and flexible control of the display window contents.
Model: for simple creation of model geometries incl. regions, wells, surfaces, grids, point data, and photogrammetry data.
Edit: for easy manipulation of object geometries including geometry clean-up.
Data Analysis: easy evaluation of DFN fracture network attributes for orientation, intensity, and size properties. Data analytics methodologies including geostatistics (kriging) and multivariate regression (for linking well to grid data).
Fracture: access to the DFN fracture
generation approaches. Access all of the FracMan® 8 DFN fracture models for simple parameterizing.
the fracture network. Deal easily with post-generation operations such as fracture terminations and conditioning.
DFN Analysis: access DFN based analysis workflows, understand how the fracture network connectivity features in your DFN system.
DFN Simulation: carry forward the generated DFN model in FracMan® 8.0 to high technology simulation, including: meshing, flow & transport simulator, well test simulator, hydromechanical coupling, hydraulic fracturing, FEM geomechanical simulator, wellbore stability, pore pressure prediction, as well as the DFN geotechnical toolkit (comprising rock wedge, block sizing analysis, grouting and slope step path analysis tools). Also, access leading edge DFN continuum upscaling approaches for both flow and geomechanics.
Tools: modify and adapt system settings and workflows around: language and accessibility, macro scripting language, and access the help files.
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