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 …
challenging as the characterization of fractured rock (Faybishenko and Benson 2000). This …
Changes in permeability caused by transient stresses: Field observations, experiments, and mechanisms
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 …
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
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 …
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
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 …
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 …
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 …
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
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 …
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 …
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
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 …
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
A method was developed for experimentally observing the evolution of fracture
aperture/permeability within a granite-based Enhanced Geothermal System (EGS) in an …
aperture/permeability within a granite-based Enhanced Geothermal System (EGS) in an …