The role of efficient meshing and discretization in modeling flow through discrete fracture networks (DFN)
SIAM Geoscience, Erlangen Germany
September 2017
AUTHORS
Mayur Pal, Brijesh Kumar Yadav, Sandip Jadhav
Abstract
Often modeling of fluid flow through geologically heterogeneous and complex fractured network system is required to model multi-physics processes like, e.g., environmental flow, CO2 sequestration, nuclear waste disposal, and hydrocarbon flows. Numerical modeling of such a complex system is challenging, both, from gridding and numerical discretization point of view. In last decade alone modeling of flow through discrete fracture systems has attracted attention from a number of researchers. As a result few new gridding and discretization techniques have been proposed to model flow through discrete fracture network systems (DFNs). In this paper we will present an inhouse tool, which has been developed with advance gridding techniques to mesh complex discrete fracture network at small and very large length scales. Tool is also planned to include advance numerical discretization, and upscaling capabilities. The tool will enable modeling of geologically complex discrete fracture networks as lower dimensional objects. We will also try to demonstrate the use of the tool for modeling problems related to flow of hydrocarbons in the fractured reservoirs.
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