Role of saturation on elastic dispersion and attenuation of tight rocks: An experimental study

H Li, D Wang, J Gao, M Zhang, Y Wang… - Journal of …, 2020 - Wiley Online Library
Using the forced‐oscillation method, we measure the dispersion of Young's modulus,
extensional attenuation, and Poisson's ratio of tight sandstone and carbonate samples at …

[HTML][HTML] 含流体致密砂岩的纵波频散及衰减: 基于双重双重孔隙结构模型描述的特征分析

郭梦秋, 巴晶, 马汝鹏, 陈天胜, 张琳, 庞孟强, 谢剑勇 - 地球物理学报, 2018 - html.rhhz.net
致密砂岩普遍具有低孔, 低渗及微裂缝发育的地质特征, 并且呈现出很强的非均匀性.
致密砂岩储层与常规砂岩储层比较, 具有明显的岩石物理性质, 渗流力学性质方面的差异 …

Taxonomy of Q

I Morozov, A Baharvand Ahmadi - Geophysics, 2015 - library.seg.org
The seismic quality factors Q used in many applications of exploration seismology are not
automatically equivalent. We identified three groups of usage of the concept of a Q:(1) a …

[PDF][PDF] Mjölnir: a miniature triaxial rock deformation apparatus for 4D synchrotron X-ray microtomography

I Butler, F Fusseis, A Cartwright-Taylor… - Journal of synchrotron …, 2020 - journals.iucr.org
An X-ray transparent experimental triaxial rock deformation apparatus, here namedMjölnir',
enables investigations of brittle-style rock deformation and failure, as well as coupled …

Numerical and experimental study of ultrasonic seismic waves propagation and attenuation on high‐quality factor samples

M Deheuvels, F Faucher, D Brito - Geophysical Prospecting, 2024 - Wiley Online Library
We propose an approach for measuring seismic attenuation at ultrasonic frequencies on
laboratory‐scale samples. We use a Gaussian filter to select a bandwidth of frequencies to …

Digital rock modeling of deformed multi-scale media in deep hydrocarbon reservoirs based on in-situ stress-loading CT imaging and U-Net deep learning

Y Tian, D Wang, J Xia, Y Ma, Y Zhang, B Li… - Marine and Petroleum …, 2025 - Elsevier
Deep and ultra-deep hydrocarbon reservoirs are regarded as an attractive target for onshore
oil and gas exploration and development in China. The multi-scale fractures are widely …

P-wave velocity dispersion and attenuation in fluid-saturated tight sandstones: Characteristics analysis based on a double double-porosity structure model description

MQ GUO, J BA, RP MA, TS CHEN, L ZHANG… - Chinese Journal of …, 2018 - en.dzkx.org
Tight sandstones have general geological characteristics of low porosity, low permeability
and development of micro-crack systems, which present strong heterogeneity. There are …

Effect of pore fluid on ultrasonic S-wave attenuation in partially saturated tight rocks

R Ma, J Ba, M Lebedev, B Gurevich, Y Sun - International Journal of Rock …, 2021 - Elsevier
S-wave attenuation in porous media is affected by the presence and properties of saturating
fluids. We measured the ultrasonic S-wave velocities of three types of tight rocks (siltstone …

Direct observation of faulting by means of rotary shear tests under X‐ray micro‐computed tomography

Q Zhao, N Tisato, O Kovaleva… - Journal of Geophysical …, 2018 - Wiley Online Library
Friction and fault evolution are critical aspects in earthquake studies as they directly
influence the nucleation, propagation, and arrest of earthquake ruptures. We present the …

Experimental study on frequency‐dependent elastic properties of weakly consolidated marine sandstone: effects of partial saturation

H Li, L Zhao, D Han, J Gao, H Yuan… - Geophysical …, 2020 - earthdoc.org
Investigating seismic dispersion and attenuation characteristics of loosely compacted
marine sandstone is essential in reconciling different geophysical measurements (surface …