Estimation of porosity and fluid saturation in carbonates from rock-physics templates based on seismic Q

M Pang, J Ba, JM Carcione, S Picotti, J Zhou, R Jiang - Geophysics, 2019 - library.seg.org
Rock-physics templates establish a link between seismic properties (eg, velocity, density,
impedance, and attenuation) and reservoir properties such as porosity, fluid saturation …

Analysis of attenuation rock-physics template of tight sandstones: Reservoir microcrack prediction

MQ PANG, J BA, RP MA, TS CHEN - Chinese Journal of Geophysics, 2020 - en.dzkx.org
Tight-sandstone gas reservoirs have low porosity and contain developed microcracks, result
in the strong matrix heterogeneity. Due to the development of microcracks in tight sandstone …

Complex lithology prediction using mean impact value, particle swarm optimization, and probabilistic neural network techniques

Y Gu, Z Zhang, D Zhang, Y Zhu, Z Bao, D Zhang - Acta Geophysica, 2020 - Springer
Lithology prediction is a fundamental problem because the outcome of lithology prediction is
the critical underlying data for some basic geological work, eg, establishing stratigraphic …

Experimental study on petrophysical properties as a tool to identify pore fluids in tight-rock reservoirs

R Ma, J Ba, J Carcione, M Lebedev… - Frontiers in Earth …, 2021 - frontiersin.org
The petrophysical properties can be proper indicators to identify oil and gas reservoirs, since
the pore fluids have significant effects on the wave response. We have performed ultrasonic …

Microcrack Porosity Estimation Based on Rock Physics Templates: A Case Study in Sichuan Basin, China

C Ruan, J Ba, JM Carcione, T Chen, R He - Energies, 2021 - mdpi.com
Low porosity-permeability structures and microcracks, where gas is produced, are the main
characteristics of tight sandstone gas reservoirs in the Sichuan Basin, China. In this work, an …

[HTML][HTML] 致密砂岩衰减岩石物理图板分析: 储层微裂隙预测

庞孟**, 巴晶, 马汝鹏, 陈天胜 - 地球物理学报, 2020 - html.rhhz.net
致密砂岩储层普遍具有孔隙度低, 微裂隙发育的特点, 岩石内部常含有**烈的结构非均质性.
致密砂岩发育的微裂隙使储层具有良好的连通性, 促成高饱和气的天然气成藏 …

Seismic time–frequency analysis as a robust method to estimate the fluid saturation: A case study of carbonates reservoir, Iran

J Jamali, A Javaherian - Geophysical Prospecting, 2021 - earthdoc.org
The propagation of seismic waves through a saturated reservoir compresses the fluid in the
pore spaces. During this transition, parts of seismic energy would be attenuated because of …