Abstract
Abstract In this chapter, we present a methodology to apply the embedded discrete fracture model (EDFM) in two-dimensional (2D) and three-dimensional (3D) unstructured grids using the element-based finite-volume method. In this method, a mixture of triangular and quadrilateral elements are used in 2D grids, and a mixture of tetrahedron, prism, hexahedron, and pyramid elements are used in 3D grids. New approaches to addressing matrix–fracture connectivity and reducing the number of fracture unknowns in this type of grid are presented. A series of case studies are presented to demonstrate the methodology in 2D and 3D simulations. Different types of elements are used in the simulations to represent the reservoir geometries. Case studies with complex reservoir geometries are also presented to demonstrate the applicability of the model.
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