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Robust gridding and discretization for modelling
ow in discrete facture network medium
Brijesh Kumar Yadav
(Dept. of Hydrology, IIT – Roorkee, India)
Mayur Pal
(Maersk Oil and Gas, Qatar)
&
Sandip Jadhav
(Centre for Computational Technologies, CC Tech – India)
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DFN Big Picture
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Flow simulation in Fractured Media
Matrix
Fracture
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Faults, fractures and permeability
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Permeability of fractured reservoir
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Fracture Checks
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Check for non-manifold holes
Check for disconnected patch
Grid
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Check for degenerated cell
Check for ipped face
Grid Checks
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Check for self interesting faces
Diagonal Inversion to 9x Self Intersecting cell
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Check for fracture –cell overlap
Small Intersection checks
Fracture & Grid Intersections
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Reading Fracture and Grids
Discarding the facture boundary outside the domain
Computing Fracture & Grid Intersections
Meshing
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Meshing (2D and 3D)
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Fracture Grid Intersection & Meshing
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Insert
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For each grid cell Create a
Lineament Plane
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For each grid cell Create a
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Solve ow on 2D Lineament
Simulation / Upscaling (Phase -2)
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Acknowledgment
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