A wel file extension is related to the Seismaster input well path file format.
WEL file extension - Seismaster input well path
What is wel file? How to open wel files?
File type specification:
The wel file extension is associated with the Seismaster, an interactive, computer platform-independent 2D and 3D seismic visualization and horizon surface tracking software.
The wel file stores input well path.
The Seismaster is obsolete product.
This wel file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.