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Digital carbonate rock physics
2016
Solid Earth
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</strong> Modern estimation of rock properties combines imaging with advanced numerical simulations, an approach known as digital rock physics (DRP). ...
In this paper we suggest a specific segmentation procedure of X-ray micro-computed tomography data with two different resolutions in the µm range for two sets of carbonate rock samples. ...
Modern estimation of rock properties combines imaging with advanced numerical simulations, an approach known as digital rock physics (DRP). ...
doi:10.5194/se-7-1185-2016
fatcat:h7r6uyxypjhthizlx3gw3765vu
Digital Carbonate Rock Physics
2016
Solid Earth Discussions
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Modern estimation of rock properties combines imaging with advanced numerical simulations, an approach known as Digital Rock Physics (DRP). ...
In this paper we suggest a specific segmentation procedure of X-Ray micro-Computed Tomography data with two different resolutions for two sets of carbonate rock samples. ...
Modern estimation of rock properties combines imaging with advanced numerical simulations, an approach known as digital rock physics (DRP). ...
doi:10.5194/se-2016-45
fatcat:dcvbfwlgmfc6de25lact4im3n4
Digital rock physics: 3D imaging of core material and correlations to acoustic and flow properties
2009
The Leading Edge
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Th is development allows a new numerical approach to the study of reservoir core which should allow one to better understand the correlations between microstructure and the physical properties of porous ...
Th is development allows for a new numerical approach to the study of reservoir core which should allow one to better understand the correlations between microstructure and the physical properties of porous ...
doi:10.1190/1.3064143
fatcat:rshtxxsuu5d4hjdnzyiwpg6b4e
Digital twins of multiscale 3D heterogeneous geological objects: 3D simulations and seismic imaging of faults, fractures and caves
2019
Journal of Physics, Conference Series
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Numerical simulation of seismic waves' propagation and imaging in a threedimensional multiscale geological media is one of the main trends in the development of modern geophysics. ...
To be able to deal with huge amount of input/output data we use High-Performance Computing (HPC) systems with parallel architecture and hybrid parallelization strategy by simultaneous use of MPI and OpenMP ...
Acknowledgements Computations were done on the Siberian Supercomputer Center. ...
doi:10.1088/1742-6596/1392/1/012051
fatcat:mp2c6grgozapdkbh4tabmf53le
Low-Frequency Elastic Properties of a Polymineralic Carbonate: Laboratory Measurement and Digital Rock Physics
2021
Frontiers in Earth Science
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We demonstrate that the static elastic properties of a carbonate sample, comprised of dolomite and calcite, could be accurately predicted by Digital Rock Physics (DRP), a non-invasive testing method for ...
We present a state-of-the-art algorithm that uses X-ray Computed Tomography (CT) imagery to compute the elastic properties of a lacustrine rudstone sample. ...
Access to AVIZO and computer resources, used to run AVIZO, were supported by NSF grant EAR-1762458 to the University of Texas High-Resolution X-ray Computed Tomography Facility. ...
doi:10.3389/feart.2021.628544
fatcat:b7pdduf6nncalbxym6vn34rvj4
Microstructural Control of Physical Properties During Deformation of Porous Limestone
2018
Journal of Geophysical Research - Solid Earth
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The strain at that point also acts as a scaling factor for the relative drop in P and S wave velocities during deformation. ...
All our experimental data point to a disconnection between the evolution of permeability, porosity, and wave velocities during deformation in the ductile regime: permeability is controlled by a fraction ...
David is gratefully acknowledged for his help in using the differential effective medium scheme. We thank Harry Lisabeth and Marco Scuderi for their review comments that helped clarify the paper. ...
doi:10.1029/2018jb015636
fatcat:jiift7uhbrbm3nmfakstmrxrqa
Upscaling strategy to simulate permeability in a carbonate sample using machine learning and 3D printing
2021
IEEE Access
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properties using 3Dprinting and machine learning". ...
funding from Abu Dhabi Department of Education and Knowledge (ADEK) in United Arab Emirates under Grant Agreement No EX2018-024 for the research project "Simulation and validation of oilfield reservoir rock ...
The general strategy to deal with heterogeneity is to apply a multiscale imaging approach, which first involves scanning a core plug sample at a coarse-scale (15 to 20 µm) resolution. ...
doi:10.1109/access.2021.3091772
fatcat:kjryzpmi3vfandh7yzktnsghze
Estimating permeability of 3D micro-CT images by physics-informed CNNs based on DNS
[article]
2022
arXiv
pre-print
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2021 pre-print arXiv:2109.01818v1 fatcat:i5pcyun5fra5pjejl7tcros5v4
Using the DNS-computed permeabilities, a physics-informed CNN PhyCNN) is trained by additionally providing a tailored characteristic quantity of the pore space. ...
The robustness of this approach is reflected by very high prediction accuracy, which is observed for a variety of sandstone samples from archetypal rock formations. ...
As such, these samples may leave the current operating limits of digital rock physics, resulting in a significant systematic overestimation of permeability compared to lab experiments [49] . ...
arXiv:2109.01818v2
fatcat:njoitkvaifa6va7prju6l6aas4
Multiscale reconstructions, effective elastic properties, and ultrasonic responses of kerogen matter based on digital organic shales
2021
IEEE Access
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A finite-element method is used to model the effective elastic properties of digital organic shales, by which we investigate the effect of different kerogen contents and organic matter morphologies. ...
We use a rotated staggered-grid finite-difference method to simulate ultrasonic wave propagation in digital organic shales to evaluate the response of different kerogen contents and organic matter morphologies ...
With an 800 µm diameter core, we reconstructed a digital core with 0.65 µm pixels based on X-ray fluorescence computed tomography. ...
doi:10.1109/access.2021.3058944
fatcat:5sfzbcyzpfcnpjp4zu66bws3by
Image-D3.03: Physical Properties Of Rock At Reservoir Conditions
2016
Zenodo
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In chapter two we provide an overview of a new petrophysical database, compiled from existing literature data on rock physical properties. This part was prepared in collaboration with work package 6. ...
The third chapter summarize the results of an extensive laboratory program to measure physical properties on rock samples from exhumed and active systems by laboratory investigations at temperatures up ...
A special thanks to Svanbjörg Helga Haraldsdóttir and Arnar Már ...
doi:10.5281/zenodo.1256384
fatcat:exq6g7cq2rf2dd7kcfggp267ou
Advances in multiscale numerical and experimental approaches for multiphysics problems in porous media
2021
Advances in Geo-Energy Research
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In order to encourage communication and collaboration in porous media research using digital core technology in different industries, the 5 th International ...
Digital core analysis technology has been rapidly developed in many fields, such as hydrocarbon exploration and development, hydrology, medicine, materials and subsurface geofluids. ...
Open Access This article is distributed under the terms and conditions of the Creative Commons Attribution (CC BY-NC-ND) license, which permits unrestricted use, distribution, and reproduction in any medium ...
doi:10.46690/ager.2021.03.01
fatcat:myf4fn6xqbckxlu64asemyi5ii
The digital rock analysis of biogenically induced reservoir heterogeneities in Cretaceous reservoirs of Saudi Arabia
2020
E3S Web of Conferences
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The analysis deploys multiscale imaging from whole core to sub-micron scale. ...
Increased permeability is associated with higher dolomite content that might be used as a sweet spot identifier from wireline logs. ...
Digital rock analysis of the CL bioturbated samples The digital rock analysis workflow includes the whole core samples computed tomography analysis, burrow segmentation, identification of burrow-modified ...
doi:10.1051/e3sconf/202014601004
fatcat:myqn6h5rhbdkbmndwo7gkpm4c4
Computationally Efficient Multiscale Neural Networks Applied to Fluid Flow in Complex 3D Porous Media
2021
Transport in Porous Media
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We validate our method with a laminar fluid flow case using vuggy samples and fractures. ...
This model architecture opens up the possibility of modeling domain sizes that would not be feasible using traditional direct simulation tools on a desktop computer. ...
A particular physical framework of interest in digital rocks physics is to describe how a fluid flows through a given material driven by a pressure difference. ...
doi:10.1007/s11242-021-01617-y
fatcat:yeu3l7bxhvgfpmeetbp6ma7nai
Influence of wall roughness on the geometrical, mechanical and transport properties of single fractures
2009
Journal of Physics D: Applied Physics
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A particular attention paid to fractures in geological materials which often display a roughness covering a broad range of length scales. ...
The influence of the surface roughness on the mechanical behavior of fractures under a normal load and a shear stress is also described. ...
Acknowledgments The author would like to thank A. Boschan ...
doi:10.1088/0022-3727/42/21/214015
fatcat:f2mx6wjtobbs5aau7hdjcuuzlq
Comprehensive Investigation of the Petrophysical and Two-Phase Flow Properties of the Tight Sandstone in Yanchang Formation, Ordos Basin, China: Insights from Computed Tomography Imaging and Pore Scale Modelling
2022
Lithosphere
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It is found that the digital rock analysis based on CT imaging can be a cost-effective and time-saving alternative to routine core analysis of tight sandstone reservoirs. ...
In addition, the unstructured mesh model of the pore space is reconstructed, and the pore scale immiscible two-phase flow is simulated by computational fluid dynamics (CFD) using the volume of fluid (VOF ...
Acknowledgments The Changqing Oilfield was greatly acknowledged for providing the core samples used in this study. ...
doi:10.2113/2022/8766247
fatcat:jtihv3erh5amjascya35i4txie
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