GM-SYS Profile Modelling
"Geosoft is still by far the best software for generating gravity and magnetic interpretations, and products that can be easily integrated into the seismic world. I can process data, work on maps, and build the model in the same platform. I can generate something and send it knowing that in a few minutes, they can have it at their work station and on their screen."
Mark Longacre, MBL
Interactive Modelling
of Gravity and Magnetics
GM-SYS Profile Modelling is an intuitive and feature-rich workflow for gravity modelling which provides many opportunities to constrain modelling variables. It enables you to test geologic model accuracy by comparing the model's gravity and magnetic response to observed measurements.
Integrated Gravity and Magnetic Modelling
GM-SYS Profile Modelling is the industry-leading interactive gravity and magnetic profile modelling program. It enables users to create a geologic model of the subsurface and integrate seismic, well, and geology data with observed gravity and magnetic measurements.
With GM-SYS Profile Modelling, you can:
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Test geologic model accuracy by comparing the model's gravity and magnetic response to observed measurements.
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Read and integrate seismic and well log data by using the SEG-Y Reader (Advanced option).
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Display hundreds of bodies, using any tabular prism that can be modelled and all parts of the model can be defined with unique properties.
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Read and calculate magnetic gradients along a horizontal axis and along a vertical axis.
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Model response data efficiently, with easy-to-use interface and feature-rich tool sets.
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Intermediate and Advanced options provide greater flexibility of model geometry, speed the data model process, and further constrain modelling variables.
Core Capabilities
Explore Model  |
Build a model. Vary a range of density, susceptibility, remanent magnetization to test different interpretations. |
Data  |
View and model gravity and magnetic data simultaneously including response curves, surface data, and LAS well files. |
Oasis montaj  |
Extract data interactively from Oasis montaj to create a GM-SYS model. |
Convert Time to  |
With Oasis montaj GM-SYS Profile, you can add a new "time" window below the standard depth window. Using 'time" sections, you can build models in "time" and convert to depth. |
| Supports common graphics formats | Vector-postscript drivers export to: Adobe Illustrator, CorelDraw, DGM, DXF and Geosoft plot files. |
| Seamless interoperability | Import and work with more than 50 data formats, including grid, map and image formats. |
Intermediate Options
Add these Intermediate options to enhance your GM-SYS Profile Modelling extension.
2-3/4D  |
Close approximations of 3D structures are attained. |
Joint Inversion  |
Refine your model to obtain the optimal fit between your model response and your data. |
| Seismic Bitmap | Display bitmaps in the cross-section pane background of your model to assist with creating and constraining models. |
Advanced Options
Add these Advanced options to enhance your GM-SYS Profile Modelling extension.
SEG-Y Reader  |
Read seismic reflection data and quickly integrate them with gravity, magnetic or any other data. |
| Extended model size | Build larger and more complex models. |
| Gravity and Magnetic gradients | Constrain models using the six gradient components of the gravity field and the vertical gradient of the total magnetic field. |
High Resolution  |
Work with up to 16,000 station points to better delineate details of blocks and detect small anomalies. |
| Grid Response | To improve QA, create a response grid of the model to compare to the original gridded data. |
Recommended hardware and software requirements for GM-SYS Profile Modelling 8.0
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Operating System |
Windows 8 (32-bit and 64-bit)
Windows 7 SP1 (32-bit and 64-bit) - Recommended. |
| CPU | A Dual Core processor is recommended. An Intel Celeron processor is not recommended. |
| RAM | 4-8 GB recommended, 1 GB minimum required. |
| Graphics | Nvidia Professional 256MB 3D (OpenGL 2.0) Graphics Card recommended. |
| Printer/Plotters | Any Windows® supported colour printer. Hewlett Packard® large-format ink-jet plotters are recommended. |
| Installation Permissions | When installing Oasis montaj or Target, you MUST be logged on with Administrator permissions. |
| Installation Disk Space | 2 GB or more of free space on the Program Files drive is required for the installation process. |
| Data Disk Space | Data disk space depends on the volume of project data to be processed and the printer driver you are using. We recommend 500 GB to 1 TB, minimum 50 GB. |
| Internet |
Internet Connection: To use VOXI, we recommend a medium to high-speed internet connection (512Kbps upload and 1Mbps download or higher). The faster your internet connection, the faster you will be able to upload your modelling information to the VOXI cloud servers and download your results. Internet Browser: To use the internet capabilities in Oasis montaj or Target, you will need to install Internet Explorer 8.0 or later. This does not mean that you have to have Internet Explorer as your default browser; Oasis montaj and Target just use the internet connection technology supplied in IE8. |
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Supporting Software |
The following software prerequisites are required and will be downloaded and installed if not present: • Microsoft .NET 4 • ESRI ArcEngine 10 (SP5) |
For information on requirements for previous versions and operating systems, see the system requirements page
