Create a section of log with a constant value and insert it at a specific depth to provide a time datum shift or to provide room for new geological section. You can also specify whether to raise or lower the log start depth or stop depth to accommodate the insertion.
When you insert a section in any log, new data is inserted in all logs throughout the synthetic. Specify different constant values to insert in each of the individual logs. An option to doing the below process is to add one or more invisible zones above the log, the sum of which is recognized in all related GeoSyn calculations such as AVO analysis. Invisible zones are added using the Edit > Time Datum option. For details, see Related topics below.
To insert log sections using Log Editor:
1. From the Edit menu, select Log editing (
).
OR
Double-click the log
OR
Right-click the log and select Log editing.
The Log Editor
dialog box opens.
2. Select the tab
for the log in which to insert a log section and in the Log Editor toolbar,
click the Insert Section tool
(
).
The Insert Constant Value Log Section
dialog box opens.
3. Hover the cursor
(
) at the top of the zone at which to insert a log section.
The cursor position appears in the banner of the Log
Editor.
4. Drag to the bottom of the zone.
5. In the Insertion point pane, type a more precise depth at which to insert the log section or click top or bottom to select the absolute top or bottom of the log.
6. In the Insertion range box, type the thickness to insert. This section is inserted in every log throughout the synthetic.
7. In the Insertion values display pane, select a log to display the constant value that will be inserted in the Edit log insertion value box and each of the logs. Type a different constant value if desired.
8. Select whether to raise the start depth or lower the stop depth and click Apply.