Range Events

Range events are tied to two depths along the well. Range events are tied to two depths along the well. To create a range event, simply click the icon on the Events toolbar and click on the well at the depths over which you would like to place your event. The Edit Event dialog will open:

Data tab

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Select Survey Definition	Petra can handle multiple sets of directional surveys. This dropdown sets which set of surveys the point event will be associated with.
Top	This entry sets the upper depth of the range event
Base	Sets the lower depth of the range event.
Text Box	Sets the text that will be displayed in the event.
View Range Event As	Sets the graphical style for the range event.
Markers Only	Displays only the start and end depth markers for the range.
Borehole	Highlights the borehole of the well in the line color selected on Display Options tab.
Cylinder	Draws a cylinder around the borehole with the selected color and width.
Date and Time	Set the date and time of the event. By default, this is set to the time the event is created. It's probably a good idea to change these to reflect the date and time of the drilling event.

Display Options tab

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Show Text Box	Enables or disables the text box.
Show Date	Displays the date (set on the Data tab) on the text box.
Show Time	Displays the time (set on the Data tab) on the text box.
Show MD	Displays the MD (set on the "Top" entry on the Data tab) of the point event.
Text Size	Ssets the size of the text on the text box in inches.
Line Color	Sets the line color of the border around the point event text box.
Line Width	Sets the line color of the border around the point event text box.
Reset Text Box Location	If the text box is not visible at your current zoom level, click this button to reset its location.