Compressional wave propagation in saturated porous media and its numerical analysis using a space–time conservation element and solution element method
D Yang - Review of Scientific Instruments, 2021 - pubs.aip.org
Compressional waves in saturated porous media are relevant to many fields from oil
exploration to diagnostic of human cancellous bone and can be used to interpret physical …
exploration to diagnostic of human cancellous bone and can be used to interpret physical …
Frequency-dependent anisotropy in porous rocks with aligned cracks containing compressible fluid–a model based on poroelastic spring condition and exact solution …
Y Song, J Wang, H Hu, B Han - Geophysical Journal …, 2021 - academic.oup.com
Thorough understanding of seismic signatures in cracked rocks is essential to estimate rock
physical properties. Wave-induced fluid flow (or diffusion), scattering and Biot's global flow …
physical properties. Wave-induced fluid flow (or diffusion), scattering and Biot's global flow …
Bayesian full-waveform inversion of tube waves to estimate fracture aperture and compliance
J Hunziker, A Greenwood, S Minato, ND Barbosa… - Solid Earth, 2020 - se.copernicus.org
The hydraulic and mechanical characterization of fractures is crucial for a wide range of
pertinent applications, such as geothermal energy production, hydrocarbon exploration, CO …
pertinent applications, such as geothermal energy production, hydrocarbon exploration, CO …
Experimental verification of spatially varying fracture-compliance estimates obtained from amplitude variation with offset inversion coupled with linear slip theory
S Minato, R Ghose, G Osukuku - Geophysics, 2018 - library.seg.org
The elastic compliance of a fracture can be spatially varying, reflecting the variation of
microscale properties of the fracture, eg, aperture, contact asperities, and fracture infill …
microscale properties of the fracture, eg, aperture, contact asperities, and fracture infill …
Simulation of borehole acoustic wavefields in fractured media by combining the spectral-element method and linear-slip model
J Xu, QH Liu, H Hu, Y Zhong - Geophysics, 2021 - library.seg.org
We have used the spectral-element method (SEM) to simulate 3D acoustic wavefields in the
fluid-filled borehole embedded in fractured media. The fractures are characterized by the …
fluid-filled borehole embedded in fractured media. The fractures are characterized by the …
Numerical simulation of shear wave attenuation in borehole inserted by a horizontal fracture
B Yan, W Ou, X Huang, NV da Silva - Acta Geophysica, 2020 - Springer
The amplitude of shear waves is attenuated when passing through horizontal fractures
crossing a borehole. In this study, we investigate the amplitude attenuation of shear waves …
crossing a borehole. In this study, we investigate the amplitude attenuation of shear waves …
Propagation of Pore Pressure and Stress in Saturated Porous Media Based on a Darcy‐Brinkman Formulation
D Yang, L Zhang - Geofluids, 2021 - Wiley Online Library
Propagation of pore pressure and stress in water‐saturated elastic porous media is
theoretically investigated when considering the Darcy‐Brinkman law. The wave mode …
theoretically investigated when considering the Darcy‐Brinkman law. The wave mode …
[HTML][HTML] Characterization and imaging of a hydrothermally active near-vertical fault zone in crystalline rocks based on hydrophone VSP data
A Greenwood, E Caspari, D Egli, L Baron, T Zahner… - Tectonophysics, 2019 - Elsevier
A shallow, hydrothermally active, fault zone embedded in fractured crystalline rocks of the
Central Swiss Alps has been drilled and geophysically explored in view of its potential …
Central Swiss Alps has been drilled and geophysically explored in view of its potential …
Hydraulic properties of closely spaced dipping open fractures intersecting a fluid‐filled borehole derived from tube wave generation and scattering
Fluid‐filled fractures and fissures often determine the pathways and volume of fluid
movement. They are critically important in crustal seismology and in the exploration of …
movement. They are critically important in crustal seismology and in the exploration of …
Characterizing hydraulic fractures using the transient pressure surge effect
It has been demonstrated in both numerical modeling and lab experiments that a fluid-filled
fracture can be a subsurface pressure amplifier to a weak driving force such as an incident …
fracture can be a subsurface pressure amplifier to a weak driving force such as an incident …