IEEE

Nonlinear Prestack Inversion Method for Fluid Factor Using the Reflectivity Method and PID-Based Search Algorithm

Abstract: Fluid factors play an important role in reservoir fluid identification. Current fluid factor inversion methods rely on the exact Zoeppritz equations and their approximations, which neglect ...
Frontiers

The research on full-waveform inversion method and its application based on Hessian operator preprocessing

Full-waveform inversion (FWI) can provide accurate velocity field for fine imaging in depth domain of seismic data. Its mathematics foundation determines that FWI is a strong nonlinearity with the ...
Nature

Inverse Optimization and Linear Programming

Inverse optimisation and linear programming have emerged as crucial instruments in addressing complex decision-making problems where underlying models must be inferred from observed behaviour. At its ...
IEEE

Analog Matrix Inversion Circuit Design for Solving Tridiagonal Linear Systems: A Compact and Decoupled Approach

Abstract: Recently, analog matrix inversion circuits (INV) have demonstrated significant advantages in solving matrix equations. However, solving large-scale sparse tridiagonal linear systems (TLS) ...
Frontiers

Fourier coefficients-based stepwise Bayesian inversion for elastic and fracture parameters using azimuthal seismic data

1 Department of Geophysics, Research Institute of Petroleum Exploration and Development, PetroChina, Beijing, China 2 Department of Geophysics, School of Geoscience and Info-Physics, Central South ...