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Wednesday, May 13, 2020 | History

2 edition of Modeling flow in fractured medium found in the catalog.

Modeling flow in fractured medium

Auli Niemi

Modeling flow in fractured medium

uncertainty analysis with stochastic continuum approach

by Auli Niemi

  • 348 Want to read
  • 37 Currently reading

Published by Technical Research Centre of Finland in Espoo .
Written in English

    Subjects:
  • Groundwater flow -- Finland.,
  • Monte Carlo method.

  • Edition Notes

    Includes bibliographical references (p. 177-188).

    StatementAuli Niemi.
    SeriesVTT publications -- 184., VTT julkaisuja -- 184.
    ContributionsValtion teknillinen tutkimuskeskus.
    The Physical Object
    Pagination188, [12] p. :
    Number of Pages188
    ID Numbers
    Open LibraryOL15414136M
    ISBN 109513846229

    DIMENSIONAL MODEL REDUCTION FOR FLOW THROUGH FRACTURES IN POROELASTIC MEDIA M. Buka c1, I. Yotov2 and P. Zunino3;4 study the interaction between a poroelastic medium and a fracture lled with uid. The ow in the fracture is described by the Brinkman equations for an incompressible uid and the poroelastic medium by the quasi-static. @inproceedings{PandayATM, title={A three-dimensional multiphase flow model for assessing NAPL contamination in porous and fractured media, 2. Porous medium simulation examples}, author={Sorab Panday and Yu-Shu Wu and Peter S. Huyakorn and Everett Springer}, year={

    porous media. In addition, a brief overview of the pertinent concepts relating to fracture flow modeling is provided. The emphasis is on applications that support field-scale problem solving. The intent is to provide a stand-alone document as an aid to the individual confronted with a problem that requires fracture flow modeling. Numerical modelling of reactive transport processes in fractured porous media FIELD STUDY MUNCHEHAGEN The former waste depository at Munchehagen is located in Germany in Lower Saxony about 40 km westward from Hannover. Recently, an extensive research programme to study the geology as well as hydraulic and transport characteristics of.

    Fractured-Reservoir Modeling and Interpretation E. S., Bourgine, B., Castaing, C., et al. Interim Guide to Fracture Interpretation and Flow Modeling in Fractured Reservoirs. Technical Report No. EUR EN, European Commission. J. Modeling Flow and Contaminant Transport in Fractured Rocks. In Flow and. 1 Training image-based scenario modeling of fractured reservoirs for flow uncertainty quantification Jung1, Darryl H. Fenwick2 and Jef Caers1 1 Department of Energy Resources Engineering, Stanford University 2 Streamsim Technologies, Inc. This work was submitted to Computational Geosciences on 1st April (COMG-S). AbstractFile Size: 2MB.


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Modeling flow in fractured medium by Auli Niemi Download PDF EPUB FB2

Multiphase Fluid Flow in Porous and Fractured Reservoirs discusses the process of modeling fluid flow in petroleum and natural gas reservoirs, a practice that has become increasingly complex thanks to multiple fractures in horizontal drilling and the discovery.

This detailed book systematically investigates subsurface geological fractures using rock mechanics, geology, and geophysics. Based on geological fracture mechanisms and fracture boundary conditions, it presents new finite-difference equations for the simulation of seismic wave responses to geological fractures, and proposes innovative AVO inversion equations for the accurate estimation of the.

Summary Simplified 2 D finite element fracture models have been presented in this paper. The model handles matrix-fracture, fracture- fracture, and matrix-matrix connections. Finite element method is used for 2 D single-phase flow in fractured porous.

In this section, the basic equations for modeling of flow in fractured porous media are presented, considering a fractured porous medium domain \(\Omega \).

The modeling is based on a domain-decomposition approach, considering the different structural features of the fractured by: On the basis of a review of recent theoretical and experimental studies of flow through fractured rocks, we have studied the fluid flow and solute transport in a tight fractured medium in terms of flow through channels of variable aperture.

The channels are characterized by an aperture density distribution and a spatial correlation by: 3 In this study, we are primarily Modeling flow in fractured medium book in characterizing the hydraulic conductivity of a fractured medium, which leads to characterizing fracture permeability.1 Fracture permeability is generally defined under the assumption of steady-state flow under a uniform macroscopic pressure gradient (van Golf.

Discrete Fracture Network Modeling of Hydraulic Stimulation describes the development and testing of a model that couples fluid-flow, deformation, friction weakening, and permeability evolution in large, complex two-dimensional discrete fracture networks.

The model can be used to explore the. About this book. In this standard reference of the field, theoretical and experimental approaches to flow, hydrodynamic dispersion, and miscible displacements in porous media and fractured rock are considered.

Two different approaches are discussed and contrasted with each other. A new analytical model for flow in acidized fractured-vuggy porous media. Numerical simulation of oil displacement by water in a vuggy fractured porous medium Author: Gang Lei, Qinzhuo Liao, Dongxiao Zhang.

fracture, Darcy’s Law, free fluids, streamfunction. Introduction. There are various natural circumstances in which fluid flux through a porous medium is dominated by fracture flow.

Geological layers can be fractured, as well as porous materials used in technical devices, for example in membranes, filters etc. Special topics such as the dual-porosity model for fractured reservoirs, and fluid flow in gas reservoirs, are also covered. The book includes twenty problems, along with detailed solutions.

As part of the Imperial College Lectures in Petroleum Engineering, and based on a lecture series on the same topic, this book provides the introductory.

Jessica Iriarte, Azra N. Tutuncu, in Hydraulic Fracture Modeling, Introduction. Conductivity is the measurement of the fracture's flow capacity, and it is obtained by multiplying the fracture permeability by the fracture width (k f w f).

Decreasing fracture effectiveness due to conductivity decay is a strong contributor to the steep production decline commonly observed in shale.

FEFLOW is an acronym of Finite Element subsurface FLOW simulation system and solves the governing flow, mass and heat transport equations in porous and fractured media by a multidimensional finite element method for complex geometric and parametric situations including variable fluid density, variable saturation, free surface(s), multispecies reaction kinetics, non-isothermal flow and.

This paper revisits the problem of computational modelling of a fluid-driven fracture propagating in a permeable porous medium using zero-thickness flow cohesive interface elements. Both cases of continuous and discontinuous pressure field across the fractures are implemented in a.

We consider a fractured porous medium that is studied at a scale such that the fractures can be modeled individually. Models for flow in which the fractures are interfaces between subdomains are presented.

These models take into account interactions between the fractures and the surrounding porous by: Advances in Discrete Fracture Network Modeling William S. Dershowitz, Paul R. La Pointe, and Thomas W. Doe, Golder Associates Inc.

Abstract This paper describes recent advances in discrete fracture network (DFN) modeling and analysis. These advances represent a significant convergence between DFN and EPM methods for flow, combined withFile Size: 1MB.

A fractured porous medium has throughout its extent a system of interconnected fractures dividing the medium into a series of essentially disjoint blocks of porous rock, called the matrix blocks (cf.

Figure ). It has two main length scales of interest: the microscopic scale of the fracture thickness (about 10 −4 m) and the macroscopic scale of the average distance between fracture planes.

Fluid Flow Simulation in Fractured Reservoirs Sudipta Sarkar, M. Nafi Toksöz, and Daniel R. Burns where flow occurs in a fractured porous medium and each fracture is described in detail; 3) the far field, where flow occurs in two fracture and model the flow of reservoir fluids through it is not trivial.

Abstract The geological complexity of fractured reservoirs necessitates the use of simplified models for flow simulation. This is often addressed in practice by using flow modelingFile Size: 1MB. About the Author. Hans-Jörg G.

Diersch is the founder of the finite-element simulation system FEFLOW. He is a Professor for flow dynamics. His work encompasses a variety of theoretical and practical investigations with emphasis on variable-density flow, modeling of mass and heat transport processes as well as commercial software developments.3/5(1).

Pseudosteady-state matrix flow model. The pseudosteady-state flow model assumes that, at a given time, the pressure in the matrix is decreasing at the same rate at all points and, thus, flow from the matrix to the fracture is proportional to the difference between matrix pressure and pressure in the adjacent fracture.Synthetic benchmark for modeling flow in 3D fractured media Jean-Raynald de Dreuzya,b,n,Ge´raldine Pichotc, Baptiste Poirriezd, Jocelyne Erhelc a CNRS, Ge´osciences Rennes, Campus de Beaulieu, Rennes cedex, France b Institute of Environmental Analysis and Water Studies, CSIC, Barcelona, Spain c INRIA, Campus de Beaulieu, Rennes cedex, FranceCited by: FEFLOW is an acronym of Finite Element subsurface FLOW simulation system and solves the governing flow, mass and heat transport equations in porous and fractured media by a multidimensional finite element method for complex geometric and parametric situations including variable fluid density, variable saturation, free surface(s), multispecies reaction kinetics, non-isothermal flow and 3/5(1).