Computed tomography 3D super-resolution with generative adversarial neural networks: Implications on unsaturated and two-phase fluid flow

N Janssens, M Huysmans, R Swennen - Materials, 2020 - mdpi.com
Fluid flow characteristics are important to assess reservoir performance. Unfortunately,
laboratory techniques are inadequate to know these characteristics, which is why numerical …

Image segmentation and analysis of pore network geometry in two natural sandstones

PR Thomson, A Aituar-Zhakupova… - Frontiers in Earth …, 2018 - frontiersin.org
We report the results of pore-network analysis of high resolution synchrotron
microtomographic images of Fontainebleau and Berea Sandstones. We segment the gray …

A sensitivity study of the effect of image resolution on predicted petrophysical properties

N Alyafei, AQ Raeini, A Paluszny, MJ Blunt - Transport in Porous Media, 2015 - Springer
Micro-CT scanning is a nondestructive technique that can provide three-dimensional images
of rock pore structure at a resolution of a few microns. We compute petrophysical properties …

Characterization of petrophysical properties using pore-network and lattice-Boltzmann modelling: Choice of method and image sub-volume size

N Alyafei, TJ Mckay, TI Solling - Journal of Petroleum Science and …, 2016 - Elsevier
The invention and progression of micro-CT scanning technology has significantly improved
the quality and resolution of tomographic images. It is now possible to fully resolve simpler …

Using nano-XRM and high-contrast imaging to inform micro-porosity permeability during Stokes–Brinkman single and two-phase flow simulations on micro-CT images

HP Menke, Y Gao, S Linden, MG Andrew - Frontiers in Water, 2022 - frontiersin.org
Carbonate rocks have multiscale pore systems that are weakly understood. In this study, we
use combined experimental, modeling, and pore space generation methods to tackle the …

The effect of X‐ray micro computed tomography image resolution on flow properties of porous rocks

FDE Latief, U Fauzi, Z Irayani… - Journal of …, 2017 - Wiley Online Library
The study of digital rock physics has seen significant advances due to the development of X‐
ray micro computed tomography scanning devices. One of the advantages of using such a …

Flow characteristics of a Doddington sample in the Darcy-inertial regimes from finite volume method analysis

OA Morales-Contreras, EC Herrera-Hernández… - Geoenergy Science and …, 2024 - Elsevier
The fluid flow analysis in four Doddington rock samples was conducted using the finite
volume method. A novel methodology for reconstructing virtual samples from micro CT …

Humidity effects on effective elastic properties of rock: An integrated experimental and numerical study

MM Hossain, JY Arns, Z Liang, Z Chen… - Journal of Geophysical …, 2019 - Wiley Online Library
The surface energy of minerals increases due to a loss of humidity. In rocks this leads to
strains without applying external stress (stress‐free strain) and affects the rocks' elastic …

Comparing petrophysical properties and pore network characteristics of carbonate reservoir rocks using micro X-ray tomography imaging and microfacies analyses

H Alatrash, F Velledits - GEM-International Journal on Geomathematics, 2024 - Springer
Carbonate rocks have complex pore structures as a result of sedimentological and
diagenetic processes. We investigated the pore network of four carbonate rock samples …

An innovative image-based workflow for quantitative pore structure characterization in reservoir rocks

M Zhang, H Zhao, Y Cui - Journal of Petroleum Science and Engineering, 2021 - Elsevier
Pore connectivity is a key parameter to affect reservoir quality (eg permeability). Routinely,
this parameter is assessed with special core analysis (ie mercury injection capillary pressure …