US Patent 9026420 Method and system of updating a geocellular model

Updating a geocellular model. At least some of the illustrative embodiments are methods including: modifying a geocellular model of an earth formation based on an actual datum from an actual borehole, the modifying by: selecting a plurality of cells to be removed from the geocellular model; interpolating to determine a new surface using data associated with cells to be removed, data associated with cells not selected for removal, and the actual datum from the actual borehole; and calculating data associated with new cells that replace the cells to be removed, the new cells with locations relative to the new surface.