Coordinates are often embedded in the sgy file. However, the header doesn’t contain any details about the coordinate system. By chance, you know where the seismic profile is, or you have a map displaying GPS coordinates. Let’s use QGIS !… 

The main aim will be to export nav file from the seismic software (here we use kingdom) and to import it in QGIS. You could also have nav files in ASCII format (i.e. txt files: start where *** are displayed).… 

You find an interesting map, for instance in an article and you want to import it in your QGIS project. The main aim will be to redraw some features (points, lines) that you need in your study (creating a structural… 

Using QGIS is essential in starting a project as it will concentrate all spatial data needed for displaying or exporting in other softwares such as Kingdom or Petrel. First, you must download the latest stable version here: https://www.qgis.org/en/site/index.html QGIS has…