Geosoft and Northwest Geophysical Associates (NGA) have upgraded their solution for the management and interpretation of oil and gas potential field data. The GM-Sys modeling applications are licensed as gravity and magnetic extensions to Geosoft’s Oasis Montaj.
GM-Sys now includes a SEG-Y Reader to allow interpreters to integrate seismic data with geospatial, gravity and magnetic models. The 3D version of GM-Sys also lets users work with time-domain-based models which can be converted to depth.
Other features include horizontal magnetic gradient calculations and a ‘cross-hair’ cursor, extending horizontally and vertically across the model, making it easier to align features of interest. Data and models are accessible through a collapsible tree-view. Models can be converted to voxels and displayed in 3D, or used to directly calculate the gravity response. GM-Sys 3D models can be exported to Geosoft, UBC, or GOCAD voxel files.
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