Digital rock physics benchmarks—Part II: Computing effective properties

H Andrä, N Combaret, J Dvorkin, E Glatt, J Han… - Computers & …, 2013 - Elsevier
This is the second and final part of our digital rock physics (DRP) benchmarking study. We
use segmented 3-D images (one for Fontainebleau, three for Berea, three for a carbonate …

Multi-scale characterization of porosity in Boom Clay (HADES-level, Mol, Belgium) using a combination of X-ray μ-CT, 2D BIB-SEM and FIB-SEM tomography

S Hemes, G Desbois, JL Urai, B Schröppel… - Microporous and …, 2015 - Elsevier
Abstract The Oligocene age Boom Clay is a potential host material for radioactive waste
disposal in Belgium. To better understand the physical basis of transport mechanisms of …

Computational challenges in the analyses of petrophysics using microtomography and upscaling: a review

J Liu, GG Pereira, Q Liu, K Regenauer-Lieb - Computers & Geosciences, 2016 - Elsevier
Microtomography provides detailed 3D internal structures of materials in micro-to tens of
nano-meter resolution and is quickly turning into a new technology for studying …

Effect of image segmentation & voxel size on micro-CT computed effective transport & elastic properties

N Saxena, R Hofmann, FO Alpak, J Dietderich… - Marine and Petroleum …, 2017 - Elsevier
Digital rock technology is rapidly evolving interdisciplinary field with many promises,
including fast turnaround times for core analysis, repeatable analysis, and multiphysics …

References and benchmarks for pore-scale flow simulated using micro-CT images of porous media and digital rocks

N Saxena, R Hofmann, FO Alpak, S Berg… - Advances in Water …, 2017 - Elsevier
We generate a novel reference dataset to quantify the impact of numerical solvers, boundary
conditions, and simulation platforms. We consider a variety of microstructures ranging from …

Image-based velocity estimation of rock using convolutional neural networks

S Karimpouli, P Tahmasebi - Neural Networks, 2019 - Elsevier
Digital images of rock samples have been using extensively in Digital Rock Physics (DRP)
to evaluate physical parameters of rock such as permeability, P-and S-wave velocities and …

Applications of digital core analysis and hydraulic flow units in petrophysical characterization

X Chen, Y Zhou - Advances in Geo-Energy Research, 2017 - yandy-ager.com
Conventional petrophysical characterizations are often based on direct laboratory
measurements. Although they provide accurate results, such measurements are time …

Hierarchical homogenization with deep‐learning‐based surrogate model for rapid estimation of effective permeability from digital rocks

M Liu, R Ahmad, W Cai, T Mukerji - Journal of Geophysical …, 2023 - Wiley Online Library
Effective permeability is a key physical property of porous media that defines its ability to
transport fluid. Digital rock physics (DRP) combines modern tomographic imaging …

Rock properties from micro-CT images: Digital rock transforms for resolution, pore volume, and field of view

N Saxena, A Hows, R Hofmann, FO Alpak… - Advances in Water …, 2019 - Elsevier
Abstract Digital Rock Physics is a promising approach for achieving more, cheaper, and
faster rock property characterization of digital images of rock samples. To successfully …

Estimating permeability from thin sections without reconstruction: Digital rock study of 3D properties from 2D images

N Saxena, G Mavko, R Hofmann… - Computers & …, 2017 - Elsevier
We present a new approach for predicting permeability of natural rocks using thin sections.
Our approach involves two steps:(1) computing permeability of the thin sections for flow …