... Abstract The main objective of this study is to perform Uncertainty Quantification (UQ) using a detailed representation of fractured reservoirs. This is achieved by creating a simplified representation of the fracture network while preserving the main characteristics of the high-fidelity model...

... and Newton iteration levels. The strategies readily accommodate to complicated flow mechanisms and multiscale fracture networks in unconventional reservoirs. Large simulation speed-up can be obtained if performing localized computations only for the solution regions that will change. We develop an a-priori...

...-planar fractures in highly heterogeneous media. Several examples are demonstrated to model fracture networks. The general semi-structured discretization can simulate flow and geomechanics on networks of fractures in large reservoirs with local resolution where desired. Dynamic adaptive mesh refinement...

... Fig. 1 shows the different fracture networks – dense, sparse, and isolated. We had two versions of the dense network, with one of them having a 100 times higher intrinsic fracture permeability. The matrix rock permeability in all the cases was 0.1 md. The k eff of the dense networks were 33...

... Abstract Traditionally, fractured reservoir simulations use Dual-Porosity, Dual-Permeability (DPDK) models that can idealize fractures and misrepresent connectivity. The Embedded Discrete Fracture Modeling (EDFM) approach improves flow predictions by integrating a realistic fracture network...

... heterogeneity fracture network rock type complex reservoir oil production recovery matrix reservoir simulation flow diagnostic dynamic lorenz coefficient Scenario water breakthrough society of petroleum engineers fracture permeability Introduction The need for fast screening methods...

... selection procedure that utilizes a suite of prior models for the natural fracture network and a fast proxy to quickly evaluate the forward seismic response corresponding to slip events along fractures. Employing indicator functions, diffusive fracture networks are generated utilizing an accurate...

... of fracture and injection parameters on cumulative oil production. The fracture spacing, fracture networks, and injection rates influence the production significantly, followed by injection-production schedule and fracture length. The recommended well completion schemes of AiFIP and SiFIP methods are also...

... Abstract Multistage hydraulic fracturing of a horizontal well in an unconventional reservoir tends to induce a complex fracture network (CFN) which is challenging to characterize by conventional methods. In this work, we develop a fracture characterization workflow to estimate the geometric...

... over which solution of matrix grid block is sought. This essentially are the necessary conditions for not only the way matrix blocks drain into the fracture system but also the essential shape of that fracture network. The shape of the fractures thus takes the form of the grid blocks. The point...

... to unstructured grid. A new mesh generation approach is first presented to discretize the complex fracture network, accounting for both hydraulic fractures and natural fractures. Voronoi cells (or perpendicular bisector, i.e. PEBI grids) are constructed with high resolution near the fractures and with larger...

...-pahse flow with phase change problems. Moreover, a dual-porosity model is not adapted for the simulation of matrix/fracture exchange when fractures are described by a DFN (Discrete Fracture Network). This paper presents an EDFM (Embedded Discrete Fracture Model) based on the MINC (Multiple INteracting...

... improve productivity. hydraulic fracturing fracture aperture Effectiveness multi-well completion design stress interference fracture complexity optimization Upstream Oil & Gas fracture network growth reservoir fracture model perforation cluster sequential propagation complexity...

... Abstract We present a method for porous media flow in the presence of complex fracture networks. The approach uses the Mimetic Finite Difference method (MFD) and takes advantage of MFD's ability to solve over a general set of polyhedral cells. This flexibility is used to mesh fracture...

...-dimensional interfaces located between the matrix cells in the physical domain. The three-dimensional(3D) pressure equation is solved in the matrix domain coupled with a two-dimensional(2D) pressure equation solved over fracture networks via a surface CVD-MPFA formulation. The CVD-MPFA formulation naturally...

... within the Simulated Reservoir Volume (SRV). Finally, the impact of a natural fracture network on matrix apparent permeability evolution is investigated. The results indicate that even though the conductive fracture network plays a vital role in shale gas production, the matrix apparent permeability...

...-member fault transmissibility configurations, wettability scenarios, hysteresis models and fracture intensity. Effective fracture permeabilities are computed using discrete fracture networks (DFN) for sparsely distributed regional fractures. The results enable us to adequately explore the parameter space...

... to any arbitrary level, while honoring mass conservation after any multiscale finite volume stage. In order to maintain generality, it is shown that when each fracture network is modeled using a single coarse grid cell, our formulation automatically reduces to that proposed by Hajibeygi et al. (2011...

... modeling slow recovery of large gas volumes; the tube length takes into account the pathway length from the matrix into the fracture network, which is the length that controls the travel time and the production rate. To construct the BoDTM, a statistical estimate of the fracture-network and shale-matrix...

... fracturing is required in such reservoirs to create very complex fracture networks to connect a huge reservoir area to the wellbore effectively. During hydraulic fracturing, an enormous amount of water is injected into the formation, and only a part of the injected water (25-60%) can be reproduced during...