Trends, prospects and challenges in quantifying flow and transport through fractured rocks

SP Neuman - Hydrogeology Journal, 2005 - Springer
Among the current problems that hydrogeologists face, perhaps there is none as
challenging as the characterization of fractured rock (Faybishenko and Benson 2000). This …

Changes in permeability caused by transient stresses: Field observations, experiments, and mechanisms

M Manga, I Beresnev, EE Brodsky… - Reviews of …, 2012 - Wiley Online Library
Oscillations in stress, such as those created by earthquakes, can increase permeability and
fluid mobility in geologic media. In natural systems, strain amplitudes as small as 10− 6 can …

Micro-Cleat and Permeability Evolution of Anisotropic Coal During Directional CO2 Flooding: An In Situ Micro-CT Study

Y Liu, M Lebedev, Y Zhang, E Wang, W Li… - Natural Resources …, 2022 - Springer
Cleat and permeability altered by CO2 injection are key issues for enhanced coalbed
methane production and CO2 geo-sequestration into unminable coal seams. As the main …

Dissolution and deformation in fractured carbonates caused by flow of CO2-rich brine under reservoir conditions

JE Elkhoury, P Ameli, RL Detwiler - International Journal of Greenhouse …, 2013 - Elsevier
Geometrical alteration in fractures, caused by mineral dissolution, changes the contact area
between fracture surfaces and affects the mechanical strength of fractures. It is difficult to …

Wormhole formation in dissolving fractures

P Szymczak, AJC Ladd - Journal of Geophysical Research …, 2009 - Wiley Online Library
We investigate the dissolution of artificial fractures with three‐dimensional, pore‐scale
numerical simulations. The fluid velocity in the fracture space was determined from a lattice …

Evolution of fracture permeability through fluid–rock reaction under hydrothermal conditions

H Yasuhara, A Polak, Y Mitani, AS Grader… - Earth and Planetary …, 2006 - Elsevier
We report flow-through experiments on a natural fracture in novaculite under moderate
effective stresses (∼ 1.4 MPa) and temperatures (20–120° C) to examine the effect on flow …

Effect of temperature and confining pressure on the evolution of hydraulic and heat transfer properties of geothermal fracture in granite

B Shu, R Zhu, D Elsworth, J Dick, S Liu, J Tan, S Zhang - Applied Energy, 2020 - Elsevier
The hydraulic and heat transfer properties of artificial fracture networks are key to the
efficiency of energy production from geothermal reservoirs. To date, no conclusive view …

Determination of aperture structure and fluid flow in a rock fracture by high‐resolution numerical modeling on the basis of a flow‐through experiment under confining …

N Watanabe, N Hirano… - Water Resources Research, 2008 - Wiley Online Library
A numerical model incorporating experimentally determined fracture surface geometries and
fracture permeability is proposed for characterizing aperture structures and fluid flow through …

Laboratory measurements of elastic properties of carbonate rocks during injection of reactive CO2‐saturated water

S Vialle, T Vanorio - Geophysical Research Letters, 2011 - Wiley Online Library
To investigate the coupled physical and chemical effects of injecting CO2‐rich water into
carbonate rock samples, we monitor the elastic and transport properties of six carbonate …

Experimental investigation of fracture aperture and permeability change within Enhanced Geothermal Systems

RA Caulk, E Ghazanfari, JN Perdrial, N Perdrial - Geothermics, 2016 - Elsevier
A method was developed for experimentally observing the evolution of fracture
aperture/permeability within a granite-based Enhanced Geothermal System (EGS) in an …