3D ray tracing using a modified shortest-path method
We present an accurate 3D ray-tracing algorithm based on a modified (more flexible and
economical) shortest-path method (SPM). Unlike the regular SPM in the 3D case, which …
economical) shortest-path method (SPM). Unlike the regular SPM in the 3D case, which …
Microseismic joint location and anisotropic velocity inversion for hydraulic fracturing in a tight Bakken reservoir
To improve the accuracy of microseismic event locations, we developed a new inversion
method with double-difference constraints for determining the hypocenters and the …
method with double-difference constraints for determining the hypocenters and the …
Seismic complex ray tracing in 2D/3D viscoelastic anisotropic media by a modified shortest-path method
XW Li, B Zhou, CY Bai, JL Wu - Geophysics, 2020 - library.seg.org
In a viscoelastic anisotropic medium, velocity anisotropy and wave energy attenuation occur
and are often observed in seismic data applications. Numerical investigation of seismic …
and are often observed in seismic data applications. Numerical investigation of seismic …
Nonlinear traveltime inversion scheme for crosshole seismic tomography in tilted transversely isotropic media
Crosshole seismic tomography often is applied to image the velocity structure of an interwell
medium. If the rocks are anisotropic, the tomographic technique must be adapted to the …
medium. If the rocks are anisotropic, the tomographic technique must be adapted to the …
Analytic formula for the group velocity and its derivatives with respect to elastic moduli for a general anisotropic medium
D Wang, CY Bai, XW Li, J Hu - Geophysics, 2023 - library.seg.org
Studying the anisotropy of seismic wave velocity can provide a theoretical basis for
understanding the characteristics of seismic wave propagation in anisotropic media, such as …
understanding the characteristics of seismic wave propagation in anisotropic media, such as …
Eigenrays in 3D heterogeneous anisotropic media, Part I: Kinematics
Z Koren, I Ravve - Geophysical Prospecting, 2021 - earthdoc.org
We present a new ray bending approach, referred to as the Eigenray method, for solving two‐
point boundary‐value kinematic and dynamic ray tracing problems in 3D smooth …
point boundary‐value kinematic and dynamic ray tracing problems in 3D smooth …
Traveltime calculations for qP, qSV, and qSH waves in two‐dimensional tilted transversely isotropic media
G Huang, S Luo, J Deng… - Journal of Geophysical …, 2020 - Wiley Online Library
This paper presents a fast swee** method (FSM) to calculate the first‐arrival traveltimes of
the qP, qSV, and qSH waves in two‐dimensional (2D) transversely isotropic media, whose …
the qP, qSV, and qSH waves in two‐dimensional (2D) transversely isotropic media, whose …
Task-parallel implementation of 3D shortest path raytracing for geophysical applications
B Giroux, B Larouche - Computers & geosciences, 2013 - Elsevier
This paper discusses two variants of the shortest path method and their parallel
implementation on a shared-memory system. One variant is designed to perform raytracing …
implementation on a shared-memory system. One variant is designed to perform raytracing …
Hybrid fast swee** methods for anisotropic eikonal equation in two-dimensional tilted transversely isotropic media
G Huang, S Luo - Journal of Scientific Computing, 2020 - Springer
We present hybrid fast swee** methods for computing first-arrival traveltime of the qP, qSV
and qSH waves in two-dimensional tilted transversely isotropic media, based on solving the …
and qSH waves in two-dimensional tilted transversely isotropic media, based on solving the …
Calculation of slowness vectors from ray directions for qP-, qSV-, and qSH-waves in tilted transversely isotropic media
L Zhang, B Zhou - Geophysics, 2018 - pubs.geoscienceworld.org
Kinematic ray tracing is an effective way to simulate the seismic wave propagation in
isotropic and anisotropic media. It is essential to know the ray velocity when tracing seismic …
isotropic and anisotropic media. It is essential to know the ray velocity when tracing seismic …