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The Grid Contouring options in the Directional Well Module are a subset of the options available in Petra's Map Module. All grid files (.GRD) created in the Directional Well Module are stored in the same grid folder in your Petra directory as the Map Module, and grid files can be opened in either module.
Before you can make a contour map you must first direct Petra to construct a gridded surface from formation tops or zone data. A grid contains regularly spaced values which have been interpolated from the original data by locally fitting various mathematical functions to the data.
Getting Started
Creating Contour Grids
Displaying Contour Grids
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