How do I create a survey without loading SEG-Y files
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- Open the navigation file and copy one of the line names.
- Launch SEG-Y Loader.
- In Select 2D SEG-Y Files, click on Add files to add any SEG-Y file.
- Under Survey Line Name type in the name of one of 2D lines
- This is to have the line match the name in the navigation file
![](https://media.screensteps.com/image_assets/assets/004/878/715/original/687edd97-ef1f-400f-958d-f76e858f099f.png)
- In Specify the byte locations of headers choose Select an existing survey, import navigation, or enter tie points manually.
- In Load Navigation Data Files browse to select the navigation file.
![](https://media.screensteps.com/image_assets/assets/004/878/717/original/a5236da9-6d7e-4b69-9c31-c5fb9256deb8.png)
- In Survey choose Create new survey called and provide a name.
- By clicking Next the survey will be created.
- Quit the SEG-Y Loader.
- Load the survey in Insight.
If you already have the volume in Insight, you can replace its survey or if the volume to be imported select the survey when prompted.