Mechanical strength and porosity changes of bituminous coal induced by supercritical CO2 interactions: Influence of saturation pressure

X Liu, X Jia, W Liu, B Nie, C Zhang, D Song - Geoenergy Science and …, 2023 - Elsevier
Sequestration of CO 2 in the geological formations has great potential to reduce greenhouse
gas emissions, and the induced mechanical stability of coal reservoirs is deeply concerned …

Influence of desorption hysteresis effects on coalbed methane migration and production based on dual-porosity medium model incorporating hysteresis pressure

P Chu, H Xie, M Gao, C Li, D Shang, Q Liu… - Computers and …, 2024 - Elsevier
Desorption hysteresis affects gas mass transfer and migration in coal seams, which is not
considered in current dual-porosity medium models, leading to inaccurate assessment and …

Full coupling of CO2–CH4 transport and sorption with solid deformation in gas shale enhances natural gas recovery and geological CO2 storage capacity

W Zhang, A Mehrabian - Journal of Natural Gas Science and Engineering, 2022 - Elsevier
A thermodynamically rigorous constitutive model is used to describe the full coupling among
the nonlinear processes of transport, sorption, and solid deformation in organic shale where …

Seepage Characteristics of 3D Micron Pore-Fracture in Coal and a Permeability Evolution Model Based on Structural Characteristics under CO2 Injection

Z Ge, Y Hou, Z Zhou, Z Wang, M Ye, S Huang… - Natural Resources …, 2023 - Springer
Sequestration of CO2 in unworkable coal seams is one of the most promising carbon
reduction strategies. The mobility of CO2 in coal reservoirs is closely related to permeability …

Thermo-Hydro-Chemo-Mechanical (THCM) Continuum Modeling of Subsurface Rocks: A Focus on Thermodynamics-Based Constitutive Models

MAQ Siddiqui… - Applied …, 2024 - asmedigitalcollection.asme.org
Accurate multiphysics modeling is necessary to simulate and predict the long-term behavior
of subsurface porous rocks. Despite decades of modeling subsurface multiphysics …

Thermodynamic characterization of chemical damage in variably saturated water-active shales

MAQ Siddiqui, H Roshan - Rock Mechanics and Rock Engineering, 2022 - Springer
A constitutive framework is developed for variably saturated water-active swelling rocks
undergoing chemical damage using modified mixture theory and continuum damage …

Viscoelastic Behavior of Rocks Saturated with Sorptive Gases: A Heuristic Internal Variables Approach

MAQ Siddiqui, L Su, K Regenauer-Lieb… - International Journal of …, 2023 - ascelibrary.org
Recent thermodynamics-based constitutive modeling has enabled robust formulations for
complex coupled mechanical, hydraulic, thermal, and chemical interactions. Despite such …

A thermodynamics-based multi-physics constitutive model for variably saturated fractured sorptive rocks

MAQ Siddiqui, M Serati, K Regenauer-Lieb… - International Journal of …, 2022 - Elsevier
A multi-physics constitutive mathematical model is developed using non-equilibrium
thermodynamics and continuum mechanics to investigate the temporal changes in the …

A thermodynamics-based coupled model for multi-phase flowback in deformable dual-porosity shale gas reservoirs

K Wang, S Ge, Y Ma, W Tan, Y Hou, Y Si, A Ding… - Journal of …, 2024 - Elsevier
Over the past decades, there has been growing interest in modelling multi-phase flowback
in shale gas reservoirs during hydraulic fracturing, primarily due to the significant risk of …

Research on damage failure mechanism and dynamic mechanical behavior of layered shale with different angles under confining pressure

N Luo, H Zhang, Y Chai, P Li, C Zhai… - Deep Underground …, 2023 - Wiley Online Library
The hydrostatic or confining pressure of deep rocks has a significant impact on the
mechanical behavior of brittle materials. Especially when confining pressure is applied, the …