Well Logging Ascii Standard Format (WLAS) Reader Parameters
File Contents

This parameter is applicable if you are working with extended (not basic ASCII) character sets. If your source data contains non-ASCII characters, using this parameter along with the encoding value ensures that the original data is preserved from the reader to the writer.
By default, the character encoding will be set to UTF-8. If you select any other character encoding, it will take precedence over the automatically detected character encoding.
FME supports most encodings.