There are two options for exporting markers: Export Wells Markers to Text File for exporting standard well markers, and Export Well-Tied Horizons-Markers to Text File for exporting markers after performing a Well tie.
In Action panel choose Export wells markers to text file
Locate file directory and click Save
It's also an option to export markers from Wells bar
For more information about well markers format please refer to chapter Well Data Formats
The exported file will contain the following marker information by default:
•UWI: Unique Well Identifier
•Wellname: Name of the Well
•Marker: Marker Name or Identifier
•X: Easting (X coordinate)
•Y: Northing (Y coordinate)
•MD: Measured Depth
•Age: Age of the Formation
•TVD: True Vertical Depth
•TVDSS: True Vertical Depth Subsea
•TWT_CRD: Two-Way Travel Time (Corrected Datum)
•TWT_SRD: Two-Way Travel Time (Sea Reference Datum)
•Type: Type of Marker
•Unconformity: Indicates Unconformity Type or Status