Changing Log Display Properties

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Changing log display properties

Change the display properties of logs in the current synthetic including label information, which logs are the active sonic and density, and other details. The term Active denotes the log upon which the synthetic is based. If you have several sonic logs with different geological scenarios in one synthetic, for example, you can switch which of the sonic logs is the active one to see what affect it has on the model.

You can also create new logs or duplicate and modify existing logs. For example, you can apply a mathematical equation to a log to derive a log that's useful for AVO modelling and that would otherwise not be available. Changes you apply affect only the current synthetic, not log defaults for new synthetics. For details on changing log defaults and import defaults, see Related topics below.

To change log display properties:

From the Edit menu, select Well and Log Properties () > Log Properties.

The Well Properties: Log properties dialog box opens.

In the display pane, select the log(s) to modify using the controls below. SHIFT+CLICK or CTRL+CLICK for multiple selection.

Duplicate and modify selected logs, and also clear logs in the Show column to save them with the synthetic but hide them from the main synthetic display.

In the Properties common to all logs pane, specify label and scale information and whether multiple logs are combined in the same track. For details on combining logs in the same track, see Related topics below.

If the synthetic layout is only a single log per track, specify track and infill colors. For details on editing color, see Related topics below.

In the Log properties pane, specify log associations such as the type of log, whether it's the active sonic or density, and whether it measures transit time or velocity, and then click Close.