WellCAD Basics - Advanced Logic Technology

170 - BOOK 1 - WELLCAD BASICS
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No Reference Spectrum
Edit Count Rate option
becomes available
Model Properties with Edit Count Rate button active
� Click the Edit Count Rate button and enter the known count rates for all
the energy windows and currently selected Calibration References. Repeat
the process for all remaining Calibration References.
Edit Count Rate dialog box to enter count rates manually
� Click the Save Model button to save your settings and create a *.SGM file.
Editing an existing model
To edit a model file open an empty Borehole Document or load the document
containing the measurements from the calibration pit.
Select the Process > Common > Spectral Gamma → Window Based Model
option and click the Load Model button in the Model Properties dialog box.
Please note that the model stores the stacked reference spectrum from which your
window count rates were extracted. Even if you have a blank borehole document
you might get a reference spectrum displayed.