WinPICS
| Extension | Description |
|---|---|
| 3d | 3D coordinate filename. |
| .8d*, .yd*, .fy* | Data filename (8, 16, 32bit) |
| .8h*, .yh*, .fh* | 2D/3D header filename (8, 16, 32bit) |
| .8y*, .yp*, .fp* | On the fly seismic display (contains current bulk, phase and amp scale info.) |
| .aff | ASCII format file containing survey and well spot formats |
| .asc | Extension for ASCII files |
| .avf | Velocity model file |
| .c2p | 2D contact point filename (line specific) |
| .c3p | 3D contact point filename (project specific) |
| .cs | Color set files |
| .db | Database file |
| .dxy | Decimated 2D cordinate files |
| .fmt | SEG-Y import format definition |
| .fnc | Fence definition files |
| .g3d, .g3f | Stores the x/y's and values of the grid nodes for each horizon grid (3D) |
| .g2d, .g2f | Store the x/y's and values of the grid nodes for each horizon grid (2D) |
| .gdb | Stores gridding parameters for all the horizon grids in your project |
| .h2f | 2D horizon filename |
| .h3f | 3D horizon filename |
| .ini | Contains configuration parameters, draw order, etc. |
| .las | Well information file |
| .list | Stores a list of horizon math equations used |
| .mol | Map overlay file |
| .mul | Map underlay file |
| .mfl | Fault trace file |
| .mbl | Map backup layer |
| .mpt | Map plot template |
| .spt | Seismic plot template |
| .qq* | History filename |
| .lut | Synthetic panel mnemonic lookup tables |
| .sav | Current screen configuration |
| .sc* | Consistency slice volume |
| .sl* | Amplitude/time slice volume |
| .tfi | Wavelet file information |
| .tf* | Transfer function filename |
| .ttd | Checkshot file |
| .pgn | Polygon file |
| .script | PICScript file |
| .syn | Synthetic panel definition |
| .ud | User defined control points file |
| .dir | Directional well survey |
| .wxr | Well cross reference |
| .xxx | Created on re-build and contains coordinate relationships |
| .xy | 2D coordinate filename |
| .ia* | Instantaneous amplitude version |
| .qqa | History filename |
| .saa | Instantaneous slice filename |
| .ha* | Header filename |
| .ip* | Instantaneous phase version |
| .qqp | History filename |
| .sap | Instantaneous slice filename |
| .hp* | Header filename |
| .if* | Instantaneous frequency version |
| .qqf | History filename |
| .saf | Instantaneous slice filename |
| .hf* | Header filename |
| .is* | Instantaneous polarity version |
| .qqs | History filename |
| .sas | Instantaneous slice filename |
| .hs* | Header filename |
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