Stochastic Galerkin framework with locally reduced bases for nonlinear two-phase transport in heterogeneous formations

P Pettersson, HA Tchelepi - Computer Methods in Applied Mechanics and …, 2016 - Elsevier
The generalized polynomial chaos method with multiwavelet basis functions is applied to
the Buckley–Leverett equation. We consider a spatially homogeneous domain modeled as a …

Uncertainty quantification for transport in porous media using parameterized physics informed neural networks

CG Fraces, H Tchelepi - SPE Reservoir Simulation Conference?, 2023 - onepetro.org
We present a Parametrization of the Physics Informed Neural Network (P-PINN) approach to
tackle the problem of uncertainty quantification in reservoir engineering problems. We …

Uncertainty quantification for transport in porous media using parameterized physics informed neural networks

CF Gasmi, H Tchelepi - arXiv preprint arXiv:2205.12730, 2022 - arxiv.org
We present a Parametrization of the Physics Informed Neural Network (P-PINN) approach to
tackle the problem of uncertainty quantification in reservoir engineering problems. We …

Stochastic Galerkin Formulations for Transport in Aquifers: Numerical Solutions with Uncertain Material Properties

P Pettersson - Transport in Porous Media, 2016 - Springer
A stochastic Galerkin formulation for the transport of CO _2 CO 2 in a tilted aquifer with
uncertain heterogeneous properties is presented. We consider a simplified physics model …

Probabilistic forecast of multiphase transport under viscous and buoyancy forces in heterogeneous porous media

F Rajabi, HA Tchelepi - Water Resources Research, 2024 - Wiley Online Library
We develop a probabilistic approach to map parametric uncertainty to output state
uncertainty in first‐order hyperbolic conservation laws. We analyze this problem for …

Multipoint distribution of saturation for stochastic nonlinear two-phase transport

F Ibrahima, HA Tchelepi - SIAM/ASA Journal on Uncertainty Quantification, 2017 - SIAM
We analyze the problem of uncertainty propagation for nonlinear two-phase transport in
heterogeneous porous media. Specifically, we study the evolution of the saturation field …

[图书][B] Stochastic Models for Nonlinear Transport in Multiscale and Multiphase Heterogeneous Media

F Rajabi - 2021 - search.proquest.com
Elucidating multiscale, multiphase and multiphysics phenomena of flow and transport
processes in porous media is the cornerstone of numerous environmental and engineering …

Probability Distribution Methods for Nonlinear Transport in Heterogeneous Porous Media

F Ibrahima - 2016 - search.proquest.com
Because geophysical data are inexorably sparse and incomplete, stochastic treatments of
simulated responses are crucial to explore possible scenarios and assess risks in …

Uncertainty quantification of two-phase flow in heterogeneous reservoirs using a streamline-based Pdf formulation

F Ibrahima, HA Tchelepi, DW Meyer - ECMOR XV-15th European …, 2016 - earthdoc.org
Oil recovery forecast relies on predictions of saturation fields from reservoir simulations.
These predictions, in return, are dependent on the quality of the input data available, such …