Developing a porosity-permeability relationship for ellipsoidal grains: A correction shape factor for Kozeny-Carman's equation

M Safari, R Gholami, M Jami, MA Ananthan… - Journal of Petroleum …, 2021 - Elsevier
Rock typing is a process through which reservoir layers are classified into distinct units with
similar geological conditions. The Kozeny-Carman's equation is commonly used for rock …

Grain shape effects on permeability, formation factor, and capillary pressure from pore-scale modeling

T Torskaya, V Shabro, C Torres-Verdín… - Transport in porous …, 2014 - Springer
We invoke pore-scale models to evaluate grain shape effects on petrophysical properties of
three-dimensional (3D) images from micro-CT scans and consolidated grain packs. Four …

Investigation on permeability anisotropy in unconsolidated hydrate-bearing sediments based on pore-scale numerical simulation: Effect of mineral particle shape and …

R Li, L Zhang, J Zhou, Z Han, Z Pan, H Schüttrumpf - Energy, 2023 - Elsevier
Resulting from the preferential alignment of sediment particles, permeability anisotropy of
unconsolidated strata is an essential parameter for natural gas hydrate (NGH) exploitation …

Effect of interlayer mixed zone and effective stress on permeability anisotropy of NGH turbidite reservoir

R Li, L Zhang, Z Han, J Zhou, S Wang, H Schüttrumpf - Energy, 2023 - Elsevier
Resulting from the bedding structure of turbidite reservoir, permeability anisotropy is an
essential parameter for natural gas hydrate (NGH) exploitation. Fundamentally, the evolution …

[HTML][HTML] Numerical Determination of Anisotropic Permeability for Unconsolidated Hydrate Reservoir: A DEM–CFD Coupling Method

R Li, Z Han, L Zhang, J Zhou, S Wang… - Journal of Marine Science …, 2024 - mdpi.com
Natural gas hydrate (NGH) is considered as a type of clean energy to replace coal and oil.
During exploitation, permeability is one of the key parameters controlling production …

Effect of Hydrate Saturation on Permeability Anisotropy for Hydrate-Bearing Turbidite Sediments Based on Pore-Scale Seepage Simulation

R Li, Z Han, L Zhang, J Zhou, S Wang - Journal of Marine Science and …, 2024 - mdpi.com
The permeability of natural gas hydrate (NGH) turbidite reservoirs typically exhibits
significant anisotropy, with anisotropy being a crucial basis for evaluating reservoir …

Quantitative evaluation of the effect of grain aspect ratio on permeability

J Katagiri, H Saomoto, M Utsuno - Vadose Zone Journal, 2015 - Wiley Online Library
Saturated and unsaturated permeabilities are influenced by the microscopic pore structure
of granular porous media. We developed pore flow simulations for grains generated by …

Using digital rock modeling to estimate permeability and capillary pressure from NMR and geochemical logs

H Zhang, P Yuan, J Wu, A Mezzatesta, G Jin… - SPE Middle East Oil …, 2017 - onepetro.org
Permeability is one of the most important characteristics of hydrocarbon-bearing formations.
Many approaches exist for estimating permeability. Formation permeability is often …

Identifying changes in sediment texture along an ephemeral gravel-bed stream using electrical resistivity tomography 2D and 3D

MA Martínez-Segura, C Conesa-García… - Applied Sciences, 2021 - mdpi.com
Differences in deposit geometry and texture with depth along ephemeral gravel-bed streams
strongly reflect fluctuations in bedload which are due to environmental changes at the basin …

Modeling the impact of rock formation history on the evolution of absolute permeability

G Jin, TW Patzek, DB Silin - Journal of Petroleum Science and Engineering, 2012 - Elsevier
We present results of simulations based on a physics-based depositional model of
sandstone. The initial rock sediment is modeled as a pack of spherical grains. The absolute …