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View article: Analysis of seismic dispersion and attenuation for gas-hydrate formations in the South China Sea
Analysis of seismic dispersion and attenuation for gas-hydrate formations in the South China Sea Open
View article: Pressure effects on the elastic properties of hydrate-bearing sediments based on laboratory observation
Pressure effects on the elastic properties of hydrate-bearing sediments based on laboratory observation Open
Investigating the role of confining pressure in affecting hydrate-sediment properties is crucial for improving the accuracy of hydrate content assessment. Experiments investigated how different confining pressures affected ultrasonic veloc…
View article: Comprehensive seismic physical modeling study for carbonate reservoirs in Tarim area
Comprehensive seismic physical modeling study for carbonate reservoirs in Tarim area Open
Carbonate reservoirs in the Tarim area are characterized by diverse types, complex geological structures, and overlapping layers. As a result, capturing the seismic response characteristics in local areas is challenging, hindering defined …
View article: Seismoelectric Imaging of Aquifer Interface: Theoretical Investigation and Laboratory Experiments
Seismoelectric Imaging of Aquifer Interface: Theoretical Investigation and Laboratory Experiments Open
The seismoelectric (SE) wave at the vadose zone‐aquifer interface, which results from the electrokinetic effect, is a valuable tool for groundwater exploration. We propose a method for imaging aquifer interfaces using SE waves. The common‐…
View article: Comparison of torsional and SH-waves in isotropic and anisotropic media based on laboratory measurements
Comparison of torsional and SH-waves in isotropic and anisotropic media based on laboratory measurements Open
Utilization of the torsional wave signal has been reported in medical testing and engineering detection. A torsional wave is a shear-wave train whose vibrating direction (polarization) forms a torsional motion. However, there is a lack of …
View article: Viability of fracture characterization using seismic attributes through seismic physical modeling
Viability of fracture characterization using seismic attributes through seismic physical modeling Open
Seismic attributes have been widely utilized for fault detection; however, accurately characterizing mesoscale fractures (1/10 to 1/4 wavelength) using these attributes remains challenging, particularly in complex geological setting. To ex…
View article: Wavefield Separation of Distributed Acoustic Sensing Vertical Seismic Profile Data Based on Multichannel Vector Median Filtering
Wavefield Separation of Distributed Acoustic Sensing Vertical Seismic Profile Data Based on Multichannel Vector Median Filtering Open
View article: Estimation of fracture-strike azimuth by QVOA analysis validated by simulated seismic data of physical modeling
Estimation of fracture-strike azimuth by QVOA analysis validated by simulated seismic data of physical modeling Open
Vertical fractures cause azimuthal anisotropy. To predict the fractures’ azimuth, we use anisotropy analysis of the seismic attribute QVOA. The QVOA means “Q Versus Offset (θ) and Azimuth (φ)”. Q is a quality factor. The inverse (or the re…
View article: Direct pre-stack inversion of elastic modulus using the exact Zoeppritz equation and the application in shale reservoir
Direct pre-stack inversion of elastic modulus using the exact Zoeppritz equation and the application in shale reservoir Open
Young’s modulus and Poisson’s ratio are important for reservoir characterization and rock brittleness prediction in unconventional resource exploration and development. Conventional methods can estimate Young’s modulus and Poisson’s ratio …
View article: A physical model study of shale seismic responses and anisotropic inversion
A physical model study of shale seismic responses and anisotropic inversion Open
The seismic responses of the shale properties are critical for shale gas reservoir evaluation and production. It has been widely reported that the clay minerals have substantial influences on the seismic wave anisotropy and brittleness. He…
View article: A new approach in physical modeling for velocity anisotropy study
A new approach in physical modeling for velocity anisotropy study Open
Special automated equipment was constructed for ultrasonic velocity measurements at various incidence angles of waves that is necessary for estimation of anisotropy parameters of rocks. The equipment includes a hydraulic press for simulati…
View article: Signal characteristics of electroseismic conversion
Signal characteristics of electroseismic conversion Open
Electric fields applying on the fluid-filled porous materials can induce small relative pore-fluid motions due to electroseismic conversions. In order to characterize the electroseismic propagation phenomena, we have designed an experiment…
View article: The effect of fluid saturation on the dynamic shear modulus of tight sandstones
The effect of fluid saturation on the dynamic shear modulus of tight sandstones Open
Tight sandstones have become important targets in the exploration of unconventional oil and gas reservoirs. However, due to low porosity, low permeability, complex pore structure and other petrophysical properties of tight sandstones, the …
View article: Feasibility of theoretical formulas on the anisotropy of shale based on laboratory measurement and error analysis
Feasibility of theoretical formulas on the anisotropy of shale based on laboratory measurement and error analysis Open
This paper designs a total angle ultrasonic test method to measure the P-wave velocities (vp), vertically and horizontally polarized shear wave velocities (vsv and vsh) of all angles to the bedding plane on different kinds of strong anisot…