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equant porosity (30) 30
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Journal of Applied Geophysics, ISSN 0926-9851, 12/2003, Volume 54, Issue 3-4, pp. 191 - 202
It is recognised that exchange of fluid between fractures and the rock matrix can have a strong impact on a rock's anisotropic elastic properties. A recent... 
Anisotropic | Saturation | Equant | saturation | WAVES | GEOSCIENCES, MULTIDISCIPLINARY | equant | FIELD | MINING & MINERAL PROCESSING | ALIGNED CRACKS | POROUS ROCK | anisotropic
Journal Article
Geophysics, ISSN 0016-8033, 04/2016, Volume 82, Issue 2, pp. M1 - M17
Journal Article
by Xue, J and Gu, HM and Cai, CG
GEOPHYSICS, ISSN 0016-8033, 03/2017, Volume 82, Issue 2, pp. M1 - M17
The normal-to-shear fracture compliance ratio is commonly used as a fluid indicator. In the seismic frequency range, the fluid indicator lies between the... 
EQUANT POROSITY | GEOCHEMISTRY & GEOPHYSICS | VELOCITY | ROCK | ALIGNED CRACKS | SEISMIC CHARACTERIZATION | MEDIA | ELASTIC-ANISOTROPY | AVO | STRESS | COMPLIANCE RATIO
Journal Article
Geophysical Journal International, ISSN 0956-540X, 10/2006, Volume 167, Issue 1, pp. 89 - 105
Journal Article
GEOPHYSICAL JOURNAL INTERNATIONAL, ISSN 0956-540X, 08/2015, Volume 202, Issue 2, pp. 1088 - 1095
The seismic properties of rocks are known to be sensitive to partial liquid or gas saturation, and to aligned fractures. P-wave anisotropy is widely used for... 
Fracture and flow | EQUANT POROSITY | Body waves | Seismic anisotropy | ROCKS | ELASTIC-ANISOTROPY | MODEL | SEISMIC VELOCITIES | AZIMUTHAL VARIATION | GEOCHEMISTRY & GEOPHYSICS | FLUID SATURATION | Acoustic properties | ATTENUATION | FREQUENCY | GAS SATURATION
Journal Article
Geophysical Journal International, ISSN 0956-540X, 07/2018, Volume 214, Issue 1, pp. 583 - 595
Wave-induced fluid flow due to mesoscopic heterogeneity can explain seismic dispersion and attenuation in the seismic frequency band. The mesoscopic... 
Fracture and flow | Seismic attenuation | Wave propagation | Seismic anisotropy | PARTIAL GAS SATURATION | FREQUENCY-DEPENDENT ANISOTROPY | WHITE MODEL | EQUANT POROSITY | ELASTIC-WAVE-PROPAGATION | LINEAR DYNAMICS | DUAL-PERMEABILITY MATERIALS | GEOCHEMISTRY & GEOPHYSICS | ALIGNED FRACTURES | MESOSCALE FRACTURES | COMPRESSIONAL WAVES
Journal Article
Geophysical Journal International, ISSN 0956-540X, 2015, Volume 200, Issue 1, pp. 17 - 24
Fractured rocks are known to exhibit seismic anisotropy and shear wave splitting (SWS). SWS is commonly used for fractured rock characterization and has been... 
Fracture and flow | Body waves | Seismic anisotropy | FREQUENCY-DEPENDENT ANISOTROPY | EQUANT POROSITY | DISPERSION | MODEL | POROUS ROCKS | P-WAVE | GEOCHEMISTRY & GEOPHYSICS | FLUID | ATTENUATION | PROPAGATION | VELOCITIES
Journal Article
by Ding, PB and Di, BR and Wei, JX and Wang, D and Li, XY and Yin, ZH
CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, ISSN 0001-5733, 04/2017, Volume 60, Issue 4, pp. 1538 - 1546
We investigate seismic velocity and anisotropy in fractured media with different fracture sizes. Using synthetic rocks with controlled fracture geometries, we... 
EQUANT POROSITY | GEOCHEMISTRY & GEOPHYSICS | Synthetic rock | Rock physics | Anisotropy | Physical model | MEDIA | Multiscale fracture | WAVE-PROPAGATION | CRACKS
Journal Article
Pure and Applied Geophysics, ISSN 0033-4553, 05/2017, Volume 174, Issue 5, pp. 1907 - 1922
Seismic anisotropy can help to extract azimuthal information for predicting crack alignment, but the accurate evaluation of cracked reservoir requires... 
crack density | synthetic rock | equivalent medium theory | Seismic anisotropy | EQUANT POROSITY | RESERVOIR | FRACTURED ROCK | PARAMETERS | MODEL | P-WAVE | GEOCHEMISTRY & GEOPHYSICS | ELASTIC-WAVE VELOCITIES | SEDIMENTARY | Geometry | Seismology | Anisotropy | Geophysics | Cracks | S waves | Predictions | Controlled cracks | Rocks | Mathematical models | Density
Journal Article
by Zhang, B and Liu, C and Guo, ZQ and Liu, XW and Liu, YW
CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, ISSN 0001-5733, 06/2018, Volume 61, Issue 6, pp. 2601 - 2617
A stochastic inversion method of reservoir parameters for anisotropic shale is proposed by combing a rock physics model and Bayesian estimation. Quantitative... 
EQUANT POROSITY | ATTRIBUTES | VELOCITY | Uncertainty | Rock physics | Reservoir characterization | REFLECTION SEISMIC DATA | ELASTIC-ANISOTROPY | GEOCHEMISTRY & GEOPHYSICS | SYMMETRY | Anisotropy | Bayesian theory | FRACTURE PARAMETERS | SATURATION
Journal Article
by Liu, C and Fu, W and Guo, ZQ and Liu, XW and Liu, YW
CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, ISSN 0001-5733, 06/2018, Volume 61, Issue 6, pp. 2589 - 2600
The objective of rock physics modeling for shales is to build relationships between mineralogical constituents, micro-structure, fluids and corresponding... 
EQUANT POROSITY | GEOCHEMISTRY & GEOPHYSICS | Clay | WAVE VELOCITIES | Rock physics | Bayesian scheme | SEISMIC-VELOCITY | Particle swarm optimization algorithm | Aspect ratio of pores | ELASTIC-ANISOTROPY | PARAMETERS | MODEL
Journal Article
Journal of Petroleum Science and Engineering, ISSN 0920-4105, 11/2016, Volume 147, pp. 371 - 380
Varying fluid types and saturations in porous media cause attenuation of compressional seismic waves and thus contribute to frequency-dependent reflections. We... 
Porous reservoir | Frequency-dependent attenuation | Compressional wave | Multi-phase fluid | Seismic effects | EQUANT POROSITY | MIGRATION | PERMEABILITY | ENERGY & FUELS | ROCKS | VISCOSITY | OIL BLENDS | ANISOTROPY | ENGINEERING, PETROLEUM | ELASTIC-WAVES | GAS-RESERVOIRS | FRACTURES | Seismic waves | Seismic reflection method
Journal Article
by Zhang, B and Liu, C and Guo, ZQ and Liu, XW and Liu, YW
ACTA POLYMERICA SINICA, ISSN 1000-3304, 06/2018, Issue 6, pp. 2601 - 2617
A stochastic inversion method of reservoir parameters for anisotropic shale is proposed by combing a rock physics model and Bayesian estimation. Quantitative... 
EQUANT POROSITY | VELOCITY | Uncertainty | POLYMER SCIENCE | Rock physics | Reservoir characterization | REFLECTION SEISMIC DATA | ELASTIC-ANISOTROPY | SYMMETRY | Anisotropy | Bayesian theory | FRACTURE PARAMETERS | SATURATION
Journal Article
by Guo, ZQ and Liu, C and Li, XY and Lan, HT
CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, ISSN 0001-5733, 02/2016, Volume 59, Issue 2, pp. 664 - 672
We investigate frequency-dependent AVO responses based on a layered model and the generalized propagator matrix method, considering both the effect of... 
EQUANT POROSITY | Interbedded layer | ROCKS | POROELASTIC ANALYSIS | Dispersion | GEOCHEMISTRY & GEOPHYSICS | REFLECTION | TRANSMISSION | WAVES | Anisotropy | Frequency-dependent AVO | Attenuation | POROUS-MEDIA | BOUNDARY | SATURATION
Journal Article
by Liu, C and Fu, W and Guo, ZQ and Liu, XW and Liu, YW
ACTA POLYMERICA SINICA, ISSN 1000-3304, 06/2018, Issue 6, pp. 2589 - 2600
The objective of rock physics modeling for shales is to build relationships between mineralogical constituents, micro-structure, fluids and corresponding... 
EQUANT POROSITY | Clay | POLYMER SCIENCE | WAVE VELOCITIES | Rock physics | Bayesian scheme | Particle swarm optimization algorithm | Aspect ratio of pores | ELASTIC-ANISOTROPY | PARAMETERS | MODEL
Journal Article
Geophysical Prospecting, ISSN 0016-8025, 11/2014, Volume 62, Issue 6, pp. 1238 - 1252
ABSTRACT Ultrasonic (500 kHz) P‐ and S‐wave velocity and attenuation anisotropy were measured in the laboratory on synthetic, octagonal‐shaped, silica‐cemented... 
Fluid saturation | Anisotropy | Fractures | EQUANT POROSITY | VELOCITY | FIELD | ELASTIC-ANISOTROPY | MODEL | POROUS ROCK | CRACKS | GEOCHEMISTRY & GEOPHYSICS | ATTENUATION | MULTI-AZIMUTH VSP | GEOMETRY | Glycerin | Glycerol | Wave propagation | Silica | Viscosity | Fluids | Fracture mechanics | Sand | Computational fluid dynamics | Fluid flow | Attenuation
Journal Article
Journal of Geophysics and Engineering, ISSN 1742-2132, 04/2015, Volume 12, Issue 2, pp. 210 - 219
Seismic attenuation in fluid-saturated porous rocks can occur by geometric spreading, wave scattering or the internal dissipation of energy, most likely due to... 
Fluid mobility | Attenuation | Seismic quality factor | Squirt-flow | Anisotropy | EQUANT POROSITY | VELOCITY | attenuation | ROCKS | FIELD | anisotropy | fluid mobility | squirt-flow | WAVE ATTENUATION | GEOCHEMISTRY & GEOPHYSICS | seismic quality factor | PRESSURE | FLUID SATURATION | ANISOTROPIC MEDIA | OFFSET | AZIMUTH | Fracture mechanics | Mathematical analysis | Dissipation | Rocks | Mathematical models | Porosity
Journal Article
Exploration Geophysics, ISSN 0812-3985, 2017, Volume 48, Issue 1, pp. 56 - 66
Azimuthal P-wave amplitude variation with offset (AVO) offers a method for the characterisation of a naturally fractured system in a reservoir. This... 
attenuation | fluid mobility | dispersion | reflectivity | azimuthal AVO | fracture | EQUANT POROSITY | AMPLITUDE | MODEL | ANISOTROPY | GEOCHEMISTRY & GEOPHYSICS | RESERVOIRS | VERSUS-OFFSET VARIATIONS | MEDIA | GAS SANDS
Journal Article
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