Prestack and poststack inversion using a physics-guided convolutional neural network

R Biswas, MK Sen, V Das, T Mukerji - Interpretation, 2019 - library.seg.org
An inversion algorithm is commonly used to estimate the elastic properties, such as P-wave
velocity (VP), S-wave velocity (VS), and density (ρ) of the earth's subsurface. Generally, the …

Simultaneous multitrace impedance inversion with transform-domain sparsity promotion

S Yuan, S Wang, C Luo, Y He - Geophysics, 2015 - library.seg.org
The impedance inversion technique plays a crucial role in seismic reservoir properties
prediction. However, most existing impedance inversion methods often suffer from spatial …

Transdimensional seismic inversion using the reversible jump Hamiltonian Monte Carlo algorithm

MK Sen, R Biswas - Geophysics, 2017 - library.seg.org
Prestack or angle stack gathers are inverted to estimate pseudologs at every surface
location for building reservoir models. Recently, several methods have been proposed to …

[HTML][HTML] A comparison of deep learning methods for seismic impedance inversion

SB Zhang, HJ Si, XM Wu, SS Yan - Petroleum Science, 2022 - Elsevier
Deep learning is widely used for seismic impedance inversion, but few work provides in-
depth research and analysis on designing the architectures of deep neural networks and …

火成岩储层物性参数叠前地震反演

刘军, 文晓涛, 张雨强, 吴昊 - 地球物理学进展, 2022 - dzkx.org
地震数据预测储层物性参数是地震储层预测的核心内容. 传统上, 地震反演预测储层参数通过
间接方法实现, 会带来极大的不确定性和累计误差, 降低储层参数的预测精度 …

Multitrace impedance inversion with lateral constraints

H Hamid, A Pidlisecky - Geophysics, 2015 - library.seg.org
We have developed a lateral constraint to the inversion of 1D seismic impedance models to
suppress the effect of data noise and improve the fidelity of formation boundaries in 2D …

[PDF][PDF] 基于Born 逆散射理论的反射系数参数化及弱度参数反演方法研究与应用

范白涛, 何英明, 周长所, 孙进 - 地球物理学进展, 2022 - progeophys.cn
摘要裂缝预测是非常规油气储层勘探开发的重要环节. 地震振幅随入射角和方位变化(Seismic
Amplitude Variation with the Angle And Azimuth, 即AVOAZ) 的反演方法是地下裂缝参数预测 …

Sparse reflectivity inversion for nonstationary seismic data

X Chai, S Wang, S Yuan, J Zhao, L Sun, X Wei - Geophysics, 2014 - library.seg.org
Conventional reflectivity inversion methods are based on a stationary convolution model
and theoretically require stationary seismic traces as input (ie, those free of attenuation and …

Azimuthal variation of seismic amplitude for brittleness and fracture parameter of gas-bearing shale reservoir

X TIAN, ZH SONG, ZK TIAN, TW DU - Progress in Geophysics, 2023 - en.dzkx.org
Engineering dessert evaluation is an important role in the exploration and development of
unconventional oil and gas reservoirs such as shale. Brittleness and fracture parameter …

Statistics-guided dictionary learning for automatic coherent noise suppression

Y Zhou, J Yang, H Wang, G Huang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Coherent seismic noise is usually difficult to attenuate due to the similar morphological
patterns between noise and useful signals. To attenuate coherent noise, special …