TRENDS IN SEISMIC INVERSION

SEISMIC INVERSION

Physics-based

Machine Learning

Elastic

FWI

Conventional Reflection SI

Convolution Neural Network (CNN)

Physics Informed Neural Network (PINN)

CONVENTIONAL REFLECTION SI WORKFLOW

ADVANCES IN MODEL BUILDING & IMAGING

 Anisotropic velocity models

VORT

TORT

VTI

TTI

Conventional

Reflection SI Workflow

FULL WAVEFORM INVERSION (FWI)

FULL WAVEFORM INVERSION (FWI)

FULL WAVEFORM INVERSION (FWI)

FULL WAVEFORM INVERSION (FWI)

LEAST-SQUARE RTM (LS RTM)

Wave Path Tomo

LEAST-SQUARE RTM (LS RTM)

Wave Path Tomo

Standard Q-RTM

Image-domain LS-Q-RTM

Data-domain LS-Q-RTM

ELASTIC FULL WAVE-FIELD INVERSION (ELASTIC FWI)

Elastic

FWI

ELASTIC FULL WAVE-FIELD INVERSION (ELASTIC FWI)

ELASTIC FULL WAVE-FIELD INVERSION (ELASTIC FWI)

ELASTIC FULL WAVE-FIELD INVERSION (ELASTIC FWI)

ELASTIC FULL WAVE-FIELD INVERSION (ELASTIC FWI)

SIMULTANEOUS INVERSION (FWI + LS RTM)

FWI + LS RTM

SIMULTANEOUS INVERSION (FWI + LS RTM)

SIMULTANEOUS INVERSION (FWI + LS RTM)

SIMULTANEOUS INVERSION (FWI + LS RTM)

SIMULTANEOUS INVERSION (FWI + LS RTM)

85 Hz Simultaneous Inversion

85 Hz Kirchhoff PSDM

SIMULTANEOUS INVERSION (FWI + LS RTM)

85 Hz Simultaneous Inversion (reflectivity)

85 Hz Kirchhoff PSDM

Wave Path Tomo

Simultaneous Inversion (reflectivity)

Data-domain LS-Q-RTM

SIMULTANEOUS INVERSION (FWI + LS RTM)

Wave Path Tomo

SIMULTANEOUS INVERSION (FWI + LS RTM)

Wave Path Tomo

SIMULTANEOUS INVERSION (FWI + LS RTM)

Field data

Q-RTM

Simultaneous inversion

Q-RTM

Conventional imaging workflow

PHYSICS-BASED SUBSURFACE CHARACTERIZATION

Simultaneous

Conventional imaging

inversion

 (FWI + LSRTM)

PHYSICS-BASED SUBSURFACE CHARACTERIZATION

CONVOLUTION NEURAL NETWORK (CNN)

CNN FOR ENHANCING SEISMIC IMAGING

DEEP LEARNING BASED SALT VMB

FWI ASSISTED BY DEEP LEARNING

CNN FOR FAULT & HORIZON INTERPRETATION

ML ASSISTED CONVENTIONAL SUBSURFACE CHARACTERIZATION

PHYSICS-INFORMED NEURAL NETWORK (PINN)

CNN

PINN

PHYSICS

W.E MODELLING USING PINN

(NN - FD)

(PINN - FD)

(PINN)

Finite Difference Modelling (FD)

Hover your cursor to see wave propagation

Training data

PINNTOMO

True model

Initial model

Predicted model

PINN-BASED WRI

True model

Initial model

PINN-based WRI

FWI Inverted from Initial model

FWI Inverted from PINN-based WRI

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