Quantifying fracture geometry with X-ray tomography: Technique of Iterative Local Thresholding (TILT) for 3D image segmentation

H Deng, JP Fitts, CA Peters - Computational Geosciences, 2016 - Springer
This paper presents a new method—the Technique of Iterative Local Thresholding (TILT)—
for processing 3D X-ray computed tomography (xCT) images for visualization and …

A Semi‐Analytical Solution for the Equivalent Permeability Coefficient of the Multilayered Porous Medium With Continuous Fracture

S Zhang, X Liu - Water Resources Research, 2024 - Wiley Online Library
Fractures significantly alter the permeability characteristics of the natural porous media,
especially for the multilayered porous medium system. The most direct and effective …

Qualitative and quantitative evaluation of the alteration of micro-fracture characteristics of supercritical CO2-interacted coal

K Sampath, MSA Perera, PG Ranjith, SK Matthai… - The Journal of …, 2019 - Elsevier
CO 2 geo-sequestration necessitates injection of CO 2 into coal reservoirs, in which CO 2
becomes supercritical due to high pressure/temperature conditions. Consequently, the coal …

Simulating stress-dependent fluid flow in a fractured core sample using real-time X-ray CT data

T Kling, D Huo, JO Schwarz, F Enzmann, S Benson… - Solid Earth, 2016 - se.copernicus.org
Various geoscientific applications require a fast prediction of fracture permeability for an
optimal workflow. Hence, the objective of the current study is to introduce and validate a …

Estimation of fracture permeability from aperture distributions for rough and partially cemented fractures

CJ Landry, M Prodanović, Z Karpyn… - Transport in Porous Media, 2024 - Springer
Natural fractures in subsurface reservoirs are frequently partially cemented with mineral
precipitates, and it is unclear if fracture permeability models developed for rough barren …

Develo** a new NMR-based permeability model for fractured carbonate gas reservoirs

T Sun, W Yan, H Wang, N Golsanami… - Journal of Natural Gas …, 2016 - Elsevier
Fractured gas-bearing carbonates are dual porosity media characterized by their complex
pore structure and heterogeneity. In reservoir evaluation, the pore fluids could accurately be …

Reactive transport simulation of fracture channelization and transmissivity evolution

H Deng, CA Peters - Environmental engineering science, 2019 - liebertpub.com
Underground fractures serve as flow conduits, and they may produce unwanted migration of
water and other fluids in the subsurface. An example is the migration and leakage of …

Investigating flow properties of partially cemented fractures in Travis Peak Formation using image‐based pore‐scale modeling

A Tokan‐Lawal, M Prodanović… - Journal of Geophysical …, 2015 - Wiley Online Library
Natural fractures can provide preferred flow pathways in otherwise low‐permeability
reservoirs. In deep subsurface reservoirs including tight oil and gas reservoirs, as well as in …

Pore-scale lattice Boltzmann modeling and 4D X-ray computed microtomography imaging of fracture-matrix fluid transfer

CJ Landry, ZT Karpyn, O Ayala - Transport in porous media, 2014 - Springer
We present sequential X-ray computed microtomography (CMT) images of matrix drainage
in a fractured, sintered glass-granule-pack. Sequential (4D) CMT imaging captured the …

Influence of numerical cementation on multiphase displacement in rough fractures

A Tokan-Lawal, M Prodanović, CJ Landry… - Transport in Porous …, 2017 - Springer
We present an application of 3D X-ray computed microtomography for studying the influence
of numerical cementation on flow in a cement-lined rough-walled fracture. The imaged …