11.1.3 Feature Interpretations

Grid representations may support a number of geologic and technical feature interpretations. The geometry of a grid often provides a representation for a structural framework and may be deliberately aligned with the inline and crossline lines of a seismic survey.

With the inclusion of fluids, a grid may also represent a complete earth model. Subrepresentations of a grid based on its indexable elements provide feature interpretations of geologic elements, for example, of horizons and faults. Faults should be represented using the “cell-face-pairs” of a grid connection set representation, because this provides information about the local grid topology, which is otherwise difficult to reconstruct.