A strategy for coupled 3D imaging of large-scale seismic and electromagnetic data sets: Application to subsalt imaging
Offshore seismic and electromagnetic (EM) imaging for hydrocarbons can require up to tens
of millions of parameters to describe the 3D distribution of complex seabed geology and …
of millions of parameters to describe the 3D distribution of complex seabed geology and …
Near-surface full-waveform inversion in a transmission surface-consistent scheme
Land seismic velocity modeling is a difficult task largely related to the description of the near-
surface complexities. Full-waveform inversion (FWI) is the method of choice for achieving …
surface complexities. Full-waveform inversion (FWI) is the method of choice for achieving …
Structural joint inversion on irregular meshes
Structural joint inversion of several data sets on an irregular mesh requires appropriate
coupling operators. To date, joint inversion algorithms are primarily designed for the use on …
coupling operators. To date, joint inversion algorithms are primarily designed for the use on …
High-resolution velocity modeling by seismic-airborne TEM joint inversion: A new perspective for near-surface characterization
We discuss the use of helicopter-borne transient electromagnetic (HTEM) for a high-
resolution spatial and vertical characterization of the near surface in a structure-controlled …
resolution spatial and vertical characterization of the near surface in a structure-controlled …
Joint inversion of seismic traveltime and frequency-domain airborne electromagnetic data for hydrocarbon exploration
Geophysical joint inversion requires the setting of a few parameters for optimum
performance of the process. However, there are yet no known detailed procedures for …
performance of the process. However, there are yet no known detailed procedures for …
[PDF][PDF] 重震联合反演框架及应用新进展
刘洁, 张建中 - 地球物理学进展, 2020 - progeophys.cn
摘要重震联合反演是多地球物理数据联合反演的重要分支. 通过调研国内外重震联合方面经典和
最新文献, 从模型参数化, 联合数据类型, 反演的实现和结果评价, 优势及应用等多个角度对重震 …
最新文献, 从模型参数化, 联合数据类型, 反演的实现和结果评价, 优势及应用等多个角度对重震 …
Spatially constrained transient EM inversion for near surface characterization in Saudi Arabia
A new algorithm for spatially constrained inversion (SCI) of transient electromagnetic (TEM)
data is presented. The 1D inversion of TEM soundings is regularized in a 3D sense by …
data is presented. The 1D inversion of TEM soundings is regularized in a 3D sense by …
Cross-gradient joint inversion of gravity and seismic data with triangular grid division by the second-order finite-difference method
G Ma, T Gao, R Niu, L Li, T Wang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Cross-gradient joint inversion of gravity and seismic data can more accurately provide the
characteristics of subsurface density and velocity structure. The subsurface is usually …
characteristics of subsurface density and velocity structure. The subsurface is usually …
A 3D reflection ray-tracing method based on linear traveltime perturbation interpolation
T Li, J Liu, J Zhang - Geophysics, 2019 - pubs.geoscienceworld.org
The linear traveltime interpolation (LTI) method, one of the common methods to calculate the
wavefront traveltimes and the raypaths in complex media, is based on the assumption that …
wavefront traveltimes and the raypaths in complex media, is based on the assumption that …
3D near-surface velocity model building by joint seismic-airborne EM inversion
G Marquis, W Wang, J Ogunbo - SEG International Exposition and …, 2016 - onepetro.org
We propose here a methodology to build near-surface velocity models by joint inversion of
traveltime and high-resolution airborne EM (AEM) data. The resulting velocity and resistivity …
traveltime and high-resolution airborne EM (AEM) data. The resulting velocity and resistivity …