The Pressure and Temperature graph has an automatic
graphbox that captures the following information automatically and
displays it on the graph:
* I.S.I.P for the tubing.
* I.S.I.P for the casing.
* Q - final flow rate.
* Final draw down.
* Final flowing pressure
(can be set to either tubing, casing, higher or lower value).
Overriding the Automatic Graphbox
While the graph is displayed:
1. Click on Graphs in the main menu.
2. Click on Manual Graphbox Entry.
A checkmark will appear beside the item in the menu
to indicate that it is activated. The graphbox will no longer be
updated automatically.
Choosing Which Final Flowing Pressure to Display
You may choose any of the following values as the final flowing pressure in the automatic Graphbox:
* Tubing Pressure.
* Casing Pressure.
* Higher Pressure.
* Lower Pressure.
To change the current selection (while viewing the graph):
1. Click on Graphs in the main menu.
2. Click on Final Flowing Pressure - Display:.
3. Click on the Pressure you want displayed.
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Graphs 
