Fracture detection and fluid discrimination play significant roles in the field of geothermics,
hydrogeology, and exploration geophysics. However, it is still a challenging task how to …

Uncertainty quantification in the context of seismic imaging is important for interpreting
inverted subsurface models and updating reservoir models. The limited illumination, noisy …

ABSTRACT A transmission+ reflection wave‐equation traveltime and waveform inversion
method is presented that inverts the seismic data for the anisotropic parameters in a vertical …

Full waveform inversion of time-lapse seismic data can be used as a means of estimating
the reservoir changes due to the production. Since the repeated computations for the …

We present methods for obtaining numerical and analytic solutions of the complex eikonal
equation in inhomogeneous acoustic VTI media (transversely isotropic media with a vertical …

Computation of traveltimes and raypaths is important for anisotropic tomography inversions.
The eikonal-equation-based method outperforms traditional ray methods by producing more …

In viscoelastic anisotropic media, the elastic moduli, slowness vector, phase, and ray
velocity are all complex-valued quantities in the frequency domain. Solving the complex …

Traveltime approximation plays an important role in seismic data processing, for example,
anisotropic parameter estimation and seismic imaging. By exploiting seismic traveltimes, it is …

The real ray-tracing approach leads to an effective solution in the real space domain using a
homogeneous ray velocity vector. However, it fails to yield solutions for quasi-S-waves …

We present and compare two new methods to calculate the reflection and transmission
coefficients of qP, qSV and qSH waves at a flat interface between two contrasting …