Eclipse Grid Format in g-Space

Eclipse format (.dat) is used to store reservoir simulation grid data. The format consists of:

• .dat file → Contains grid dimensions, cell properties (porosity, permeability, etc.).
• .GRDECL file → Stores corner-point geometry for grid cell coordinates.

g-Space supports importing and exporting Eclipse grids, allowing seamless integration with reservoir modeling and simulation workflows.

Note

On export, a tetrahedral grid is resampled to corner-point geometry. Other 3D model and geobody exchange formats (GOCAD SGrid / TSolid / Voxet, RESQML EPC, VTK, DXF) are described in Model Data Formats.