[HTML][HTML] 基于深度学习的地震速度谱自动拾取方法

张昊, 朱培民, 顾元, 黎孝璋 - 石油物探, 2019 - xml-data.org
为了克服人工拾取地震速度谱效率低, 耗时长等缺点, 提出了一种基于深度学习的地震叠加速度
自动拾取方法. 其核心是模仿地震数据处理人员在速度谱上拾取速度的行为和过程 …

Application of 3D seismic techniques to evaluate ore resources in the West Wits Line goldfield and portions of the West Rand goldfield, South Africa

MSD Manzi, MAS Gibson, KAA Hein, N King… - Geophysics, 2012 - library.seg.org
As expensive as 3D seismic reflection surveys are, their high cost is justified by improved
imaging of certain ore horizons in some of the Witwatersrand basin gold mines. The merged …

Automatic velocity analysis using interpretable multimode neural networks

H Zhang, S Yuan, H Zeng, H Yuan… - Geophysical Journal …, 2023 - academic.oup.com
Seismic velocity analysis is the basis for seismic imaging and understanding complex
subsurface geological structures. Although the performance of automatic velocity analysis …

Diffraction imaging of ground-penetrating radar data

H Yuan, M Montazeri, MC Looms, L Nielsen - Geophysics, 2019 - library.seg.org
Diffractions caused by, eg, faults, fractures, and small-scale heterogeneity localized near the
surface are often used in ground-penetrating radar (GPR) reflection studies to constrain the …

Improvement of seismic velocity model by selective removal of irrelevant velocity variations

A Rointan, M Soleimani Monfared… - Acta Geodaetica et …, 2021 - Springer
In the presented study, a new strategy for smoothing seismic velocity model is introduced.
The presented strategy employs various approaches in suppressing velocity errors and …

Seismic imaging by 3D partial CDS method in complex media

M Soleimani - Journal of Petroleum Science and Engineering, 2016 - Elsevier
Seismic imaging in complex geological structures is state of art to deliver a high quality
section for further geological interpretation. Conventional processing and imaging methods …

Intelligent velocity picking and uncertainty analysis based on the Gaussian mixture model

X Wang, Y Gao, C Chen, H Yuan, S Yuan - Acta Geophysica, 2022 - Springer
The stacking velocity is often obtained manually. However, manually picking is inefficient
and is easily affected by subjective factors such as the priori information and the experience …

Depth-domain angle and depth variant seismic wavelets extraction for prestack seismic inversion

R Zhang, Z Deng - Geophysics, 2023 - library.seg.org
Many prestack depth migration methods have been developed and widely used to generate
depth-domain seismic images, resulting in a need for depth-domain prestack seismic …

Salt dome boundary detection in seismic image via resolution enhancement by the improved NFG method

M Soleimani, H Aghajani, S Heydari-Nejad - Acta Geodaetica et …, 2018 - Springer
Accurate geological modeling of subsurface structures with all available geophysical data is
a challenging task in geo-exploration studies. Concern in precise modeling will increase by …

A robust approach to time‐to‐depth conversion and interval velocity estimation from time migration in the presence of lateral velocity variations

S Li, S Fomel - Geophysical Prospecting, 2015 - Wiley Online Library
The problem of conversion from time‐migration velocity to an interval velocity in depth in the
presence of lateral velocity variations can be reduced to solving a system of partial …