Geofluids

Multiscale Hydro-Mechanical Response of Gas/Water Migration in Geomaterials


Publishing date
01 Feb 2022
Status
Closed
Submission deadline
24 Sep 2021

Lead Editor
Guest Editors

1China University of Mining and Technology, Xuzhou, China

2Hefei University of Technology, Hefei, China

3University of Western Australia, Perth, Australia

This issue is now closed for submissions.
More articles will be published in the near future.

Multiscale Hydro-Mechanical Response of Gas/Water Migration in Geomaterials

This issue is now closed for submissions.
More articles will be published in the near future.

Description

The behavior of gas/water migration in geomaterials has attracted much attention in many engineering practices, such as deep geological disposal for radioactive waste, municipal waste landfills, CO2 capture and geological storage, shale gas/sandstone gas/coal-bed methane extraction, and coal mining.

Owing to the prominent capillary sealing capacity of materials with low permeability, gas migration is normally triggered at relatively high gas pressures and is susceptible to changes in liquid saturation and external stress. These hydro-mechanical responses result in unconventional gas migration behaviors, such as non-Darcy flow, preferential flow, gas breakthrough, dilatancy-controlled gas flow, and fracture-controlled gas flow. In addition, it is important to study the migration of groundwater and gas in coal and rock mass for the safe and efficient exploitation of coal resources. These key issues present challenges to experimental and simulation research in gas migration in geomaterials, especially low permeability geomaterials, which cannot be solved using the traditional two-phase flow theory.

This Special Issue aims to deepen our understanding of gas/water migration in geomaterials. We encourage submissions focusing on experimental methodology, mechanism analysis, and numerical simulation that could explain hydro-mechanical responses and reveal the coupling mechanisms of gas migration in low permeability geomaterials at macro- and micro-scale. We welcome both original research and review articles.

Potential topics include but are not limited to the following:

  • Water/gas transport in geomaterials
  • Hydro-mechanical response of multi-field coupling non-Darcy flow
  • Characteristics and mechanisms of capillary/mechanical gas breakthrough
  • Capillary imbibition and snap-off pressure
  • Dilatancy-controlled gas flow and changes in wettability and capillary resistance
  • Characteristic and quantitative analysis of preferential flow
  • Gas/hydraulic fracturing and fracture characterization
  • Creative methodology for detecting tiny gas flux of ultra-low permeability geomaterials
  • Microscopic tests at nano-scale
  • Pore-scale modeling

Articles

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  • - Article ID 7290894
  • - Research Article

Study on Reasonable Chain Pillar Size in a Thick Coal Seam

Kun Zhang | Fengfeng Wu | Xin Yue
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  • - Volume 2022
  • - Article ID 5894735
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Model of Overlying Strata Structure in Large Mining Height Excavating Condition and Calculation of Support Working Resistance

Fengfeng Wu | Xin Yue | ... | Bo Lv
  • Special Issue
  • - Volume 2022
  • - Article ID 2218525
  • - Research Article

Enhancement of Coal Permeability Using Aqueous NaCl with Microwave Irradiation

Weiming Guan | Qi Qi | ... | Yanyan Ge
  • Special Issue
  • - Volume 2021
  • - Article ID 5054246
  • - Research Article

The Pressure Buildup Well Test Analysis considering Stress Sensitivity Effect for Deepwater Composite Gas Reservoir with High Temperature and Pressure

Yihua Gao | Ruizhong Jiang | ... | Chenxi Li
  • Special Issue
  • - Volume 2021
  • - Article ID 3356645
  • - Research Article

Multiscale Research on Pore Structure Characteristics and Permeability Prediction of Sandstone

M. A. Shi-Jia | L. I. N. Yuan-Jian | ... | W. A. N. G. Pei-lin
  • Special Issue
  • - Volume 2021
  • - Article ID 2619491
  • - Research Article

A New Modified Model of the Streaming Potential Coupling Coefficient Depends on Structural Parameters of Soil-Rock Mixture

Xin Zhang | Mingjie Zhao | Kui Wang
  • Special Issue
  • - Volume 2021
  • - Article ID 4410254
  • - Research Article

Experimental Investigation of the Effects of the Gangue Particle Size on the Evolution Rules of Key Seepage Parameters

Lihua Wang | Jixiong Zhang | ... | Gaolei Zhu
  • Special Issue
  • - Volume 2021
  • - Article ID 9374127
  • - Research Article

Control of Water Inrush from Longwall Floor Aquifers Using a Division Paste Backfilling Method

Qingliang Chang | Xingjie Yao | ... | Yuantian Sun
  • Special Issue
  • - Volume 2021
  • - Article ID 7867460
  • - Research Article

Surrounding Rock Control Technology When the Longwall Face Crosses Abandoned Roadways: A Case Study

Zhenpeng Jiang | Fangtian Wang | ... | Qinghua Cao
  • Special Issue
  • - Volume 2021
  • - Article ID 4119414
  • - Research Article

Shock and Vibration of Rainfall on Rotational Landslide and Analysis of Its Deformation Characteristics

Li Weiguo | Liu Yali | ... | Yang Libing
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