Export Horizons
The Export Horizons dialog allows the user to export horizons to ASCII files for import into other applications.
How do I export a horizon?
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Select the Horizon to be exported. Select multiple horizons by using the Ctrl key. Note: If going from SeisWare to SeisWare, do not export Amplitude horizons. They can be extracted from the data once the time horizon has been imported.
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Select the Seismic Lines that the horizon should be exported for.
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Enter the name and path for the Export File.
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Select the Export Format. If you're exporting in "Columnar ASCII (XYZ)" format you will also need to select a Column Separator.
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(Optional) Set the rest of the Export Parameters. If you are going from SeisWare to SeisWare, keep all fields at their default values (shown below).
-
Click
to create the
export file.
General Information
Horizons
Select the horizons you want to export. Left click to select a
horizon, or left click and press the Ctrl
key on your
keyboard to select multiple horizons.
To help you make your horizon selections, you can sort any column by
left clicking
on the column header, you can apply a filter (
), or you can type a search string
into the search
bar to limit the list using Name,
Type,or Ownerinformation.
For additional selection and navigation options right click on the Horizonslist to access the shortcut menu.
Seismic Lines
Select the seismic lines whose horizon picks you want included in the horizon export file. Selecting only those lines containing picks will help reduce the size of the export file. The working set version is listed, but alternate datasets can be selected by clicking on the down arrow in the Dataset cell.
Left click to select a seismic line, or use the Ctrl key on your keyboard to select multiple seismic lines, and then use the selection arrows to move the lines to the Selected list. Alternately, you can move a single line to the Selected list by double clicking on it, and move a group of lines by selecting them from the Basemap.
To help you make your seismic line selections, you can sort any column
by left clicking
on the column header, you can apply a filter (), or you can type a search string
into the search
bar to limit the list using Name, or Ownerinformation.
For additional selection and navigation options right click on the Seismic Lines list to access the shortcut menu.
Include SEG-P lines: Turn
this on to include SEG-P lines in the list.
Horizons can be associated with SEG-P files.
Export Parameters
Export
Files: The name of the file that will be created. Click 
to select an existing file name
and location.
Export Format: Select an export format.
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SeisWare: This format is the standard columnar format that is read as import into SeisWare. It can also be read into several other packages including SeisX. Note: Null values are exported in this file.
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Columnar ASCII: This outputs the file as a list of comma separated values. This is useful when importing into a spreadsheet or gridding application. Note: Only locations with values are exported: there are no null values in this file.
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GeoFrame ASCII: This format is and ASCII format that can be read by GeoFrame and several other applications.
Column Separator: Specify the character that separates the columns when exporting columnar ASCII files. The options are the tab, comma or space character.
Replace spaces with underscores: Replaces spaces in horizon names with underscores (_). Useful when exporting to packages that do not handle spaces in horizon names, such as SeisX.
Apply bulk shifts: Add the bulk shift of the line to time values before output. Normally the bulk shift is not applied to the horizons.
Export depth horizons as subsea: Checking this item will export depth horizons as subsea values. When unchecked depth horizons are exported as true vertical depth. Note: When this item is checked the "Apply bulk shifts" item is ignored. Bulk shifts will always be applied to subsea horizon exports.
Export lines without picks: Checking this item will export seismic lines that do not have any horizon picks. Normally these lines will be skipped.
Null Value: This is the value output for traces without picks.
Optional Constraining Polygons: Open
the Select Polygons dialog to
select a culture layer to use to limit the extents of the horizon
export operation. This
can help reduce the size of the output file by constraining the picks
output to a certain area of interest.
Shotpoint Interval: Allows you to specify a shotpoint interval when output 2D horizons. Useful if you only wish to output a decimated version of the horizon.
First Shotpoint: Allows you to specify the first shotpoint to output 2D horizons for. Use in conjunction with the Shotpoint Interval.
3D Trace Interval: Specify a trace spacing when exporting decimated 3D horizons.
3D Line Interval: Specify a line spacing
when exporting decimated 3D horizons.
— MORE INFORMATION
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