| CPC G06F 30/28 (2020.01) | 17 Claims |
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1. A method comprising:
receiving a stimulated rock volume dimension for a hydraulic fracture in a reservoir, wherein the stimulated rock volume dimension defines a stimulated rock volume region;
refining a grid cell model of the reservoir based on the stimulated rock volume dimension by:
selecting a refinement technique from a group of refinement techniques;
generating new finer grid cells in the grid cell model based on the selected refinement technique; and
wherein the group of refinement techniques consists of:
determining a first width of a cell in the grid cell model based on:
a minimum value between:
a first distance influenced by a boundary of the stimulated rock volume dimension within the cell; and
a second distance of matrix rock determined based on the first distance and a width of the cell; and
a maximum value between:
a predefined distance, wherein the predefined distance is greater than zero; and
a third distance associated with a predefined percentage of the width of the cell, wherein the predefined percentage is greater than zero; and
determining a second width of the cell based on:
a number of stimulated rock volumes that are present within the cell;
a plurality of percentage values, wherein each of the plurality of percentage values corresponds to a relative location of a respective one of the number of stimulated rock volumes with respect to the width of the cell; and
one or more differences between at least one pair of the plurality of percentage values; and
wherein the new finer grid cells in the grid cell model are generated based on the first width or the second width;
assigning a physical property value to each of the new finer grid cells using one or more physical property values selected from a group of existing physical property values; and
performing a fluid flow simulation using the grid cell model with the new finer grid cells and their assigned physical property values, and the group of existing physical property values to generate fluid flow simulation results.
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