Tops Old Display Options

The Formation Tops For Cross-Section Tool defines how the Cross Section Module displays formation tops.

The Select tab sets the tops to display on the cross section. The General tab sets options that apply to all displayed tops while the Color tab and Style tab customize individual tops.

Select tab

The Select tab adds and removes tops from the Cross Section Module's display.

Displayed Tops List

The Cross Section Module only displays the tops on the Selected Logs list.

The available Tops list

Shows the formation tops in the project.

Restrict By Source

Restricts the tops on the Available Tops list by the selected source code. Only the tops with the selected source code will appear on the Available Tops List. The "<All Sources>" option displays all tops from all sources (unless restricted by the Reorder Tool on the Main Module's FmTops tab).

To add a log to the Selected Logs list, select the desired log on the Available Logs list and left click the ">" button.
To drop a log from the Selected Logs list, select the desired log on the Selected Logs list and left click the "<" button. To drop all logs from the Selected Logs list, left click the "<<" button.

General tab

The general tab options apply to all selected tops.

Tops Connection Method	Do Not Connect Tops - This option draws small ticks at each well. Connect Tops To Track Boundaries - This option draws the tops straight across the log tracks and connects the tops from well to well. Connect Tops to Borehole With Straight Line - This option draws straight lines between wells. Connect Tops to Borehole With Curved Line - This option draws tops using a spline function fit to the tops, which results in a more realistic structural picture.
Label Method	Although individual tops may be labeled or not labeled, this option disables all top labels at once. Label Tops - For each top, this option uses the label settings set on the Style tab. Essentially this option allows top labelling. Do Not Label Tops - This option disables all formation top labels on the Cross Section Module. Opaque Label Box - This option uses opaque label boxes around the formation top label. This can be useful for displaying labels over log shading. Label with Actual Name of Alias -This option continues to use formation top aliasing, but will plot the actual name of the formation top rather than the aliased name.
Repeat Tops	Ignore Repeat Tops - This option does not plot repeat tops. Only the first top listed will appear on the cross-section Indicate Top with Markers - This option draws a small triangle (matching the color of the top) at each top location in the cross-section. This makes it easier to recognize repeat tops along a wellbore. These markers also indicate which tops are repeats by not filling in the triangle for any repeat value.
Settings	Use the "Load" and "Save" options to save the selected tops along with their display options to a disk file for later use.

Color tab

The color tab sets color and shading options for the selected top on the Displayed Tops List.

Line Color	Selects the top's color. The Palette button selects an alternative color that will replace the selected color on the dropdown menu.
Fill Color	Sets the color of the fill between wells or inside well tracks. The Palette button selects an alternative color that will replace the selected color on the dropdown menu. More detailed options for how Petra draws the color fill below the formation top are on the Fill Options tab
Pattern Fil	Sets a lithologic pattern for the color fill. The scroll bar to the right sets the density of the pattern.
Fill Between Tops	Turns on the color fill in between formation tops. Note that there are more options on the Fill Options tab.
Apply Colors To All Tops	Sets all selected tops to use the currently displayed line and fill color options.
Default Palettes	Resets the color palettes for the Line and Fill Color dropdown menus.
Save Color Palettes	Saves the current color palettes for the Line and Fill Color dropdown menus to external files.
Load Color Palettes	Loads a color palettes for the Line and Fill Color dropdown menus from external files

Style tab

The style tab contains options for setting the line style and labeling options for individual tops. For each top, first select the top from the "Tops To Display" by clicking on the top names.

The Formation Tops for Cross Section Style tab

Label tab

Label Between Wells	Plots the top name between the two wells with the widest spacing.
Label At Wells	Plots the top name next to the borehole of each well.
Do Not Label This Top	Suppresses the label for an individual top.
Label Height	Sets the size for the individual labels in in inches.
Draw As Unconformity	Draws the top using a wiggly line to indicate an unconformity surface.
Allow Top Aliases	Uses formation top aliases.
Do Not Connect Top	Draws the selected tops as a series of tick marks at the depth track but will not connect wells with a line.
Disable Top	Temporarily disables a top. All the line and fill options are stored.
Treat Top as a Contact	Draws the selected top after all others. This can be useful for demonstrating fluid contacts that cross formation boundaries and interfere with formation shading.
Line Width	Sets the line width for the top. Note that the user-selected line widths are set on the Petra Program Options'Font/Graphics tab.
Line Type	Selects the line type used to draw the line for the top.
Apply Style To All Tops	Press this button to set all tops displayed using the current style settings.

Misc tab

Sorting	Controls whether tops are pre-sorted before plotting, which controls how Petra draws fills between tops.
Sort Tops	Attempts to automatically sort formation tops in increasing depth order before drawing any fills, ensuring that the shading between tops is correct.
Do Not Sort Tops	Disables automatic sorting. This option is best used where the automatic option incorrectly shades tops because of pinch-outs and missing values. Note that the tops on the Displayed Tops List must be manually sorted from top to bottom.

Fill Options tab

The Fill Options tab changes how Petra draws fill between formation tops.

Do Not Fill Between Wells

Turns off the fill between wells

Track Fill

Do Not Fill Tracks - This option does not display any formation top fill in the depth tracks.
Fill All Tracks - This option fills all displayed depth tracks.
Fill Depth Track Only - This option fills only the depth track immediately underneath the well symbol.
Fill Track 1 - This option fills only the selected depth track.

Advanced Fill Options

Only fill between tops that occur in all wells - This option will only fill between tops that occur in all wells. Tops that have a null value for any well on the cross section will not have any fill.
Fill between tops that occur in adjacent wells - This option will fill any top that occurs in two adjacent wells. This option is more tolerant of missing tops.