Cleat-scale characterisation of coal: An overview

P Mostaghimi, RT Armstrong, A Gerami, Y Hu… - Journal of Natural Gas …, 2017 - Elsevier
This paper reviews recent developments on the cleat-scale characterisation of coal. Novel
micro-CT imaging and image calibration methods are described. The application of micro …

A hierarchical fracture model for the iterative multiscale finite volume method

H Hajibeygi, D Karvounis, P Jenny - Journal of Computational Physics, 2011 - Elsevier
An iterative multiscale finite volume (i-MSFV) method is devised for the simulation of
multiphase flow in fractured porous media in the context of a hierarchical fracture modeling …

Algebraic multiscale method for flow in heterogeneous porous media with embedded discrete fractures (F-AMS)

M Ţene, MS Al Kobaisi, H Hajibeygi - Journal of Computational Physics, 2016 - Elsevier
This paper introduces an Algebraic MultiScale method for simulation of flow in
heterogeneous porous media with embedded discrete Fractures (F-AMS). First, multiscale …

Algebraic multiscale solver for flow in heterogeneous porous media

Y Wang, H Hajibeygi, HA Tchelepi - Journal of Computational Physics, 2014 - Elsevier
Abstract An Algebraic Multiscale Solver (AMS) for the pressure equations arising from
incompressible flow in heterogeneous porous media is described. In addition to the fine …

Multiscale modeling of compartmentalized reservoirs using a hybrid clustering-based non-local approach

S Esmaeilzadeh, A Salehi, G Hetz… - Journal of Petroleum …, 2020 - Elsevier
Representing the reservoir as a network of discrete compartments with neighbor and non-
neighbor connections is a fast, yet accurate method for analyzing oil and gas reservoirs …

Numerical simulation of water resources problems: Models, methods, and trends

CT Miller, CN Dawson, MW Farthing, TY Hou… - Advances in Water …, 2013 - Elsevier
Mechanistic modeling of water resources systems is a broad field with abundant challenges.
We consider classes of model formulations that are considered routine, the focus of current …

The multiscale restriction smoothed basis method for fractured porous media (F-MsRSB)

S Shah, O Møyner, M Tene, KA Lie… - Journal of Computational …, 2016 - Elsevier
A novel multiscale method for multiphase flow in heterogeneous fractured porous media is
devised. The discrete fine-scale system is described using an embedded fracture modeling …

Compositional multiscale finite-volume formulation

H Hajibeygi, HA Tchelepi - SPE Journal, 2014 - onepetro.org
The multiscale finite-volume (MSFV) method is extended to include compositional processes
in heterogeneous porous media, which require accurate modeling of the mass transfer and …

A real-field multiscale black-oil reservoir simulator

A Kozlova, Z Li, JR Natvig, S Watanabe, Y Zhou… - SPE Journal, 2016 - onepetro.org
Simulation technology is constantly evolving to take advantage of the best-available
computational algorithms and computing hardware. A new technology is being jointly …

Constrained pressure residual multiscale (CPR-MS) method for fully implicit simulation of multiphase flow in porous media

M Cusini, AA Lukyanov, J Natvig, H Hajibeygi - Journal of Computational …, 2015 - Elsevier
We develop the first multiscale method for fully implicit (FIM) simulations of multiphase flow
in porous media, namely CPR-MS method. Built on the FIM Jacobian matrix, the pressure …