S-Cube delivers its breakthrough waveform inversion through the XWITM toolbox which now integrates the AWI and RWI objective functions. This latest result on the SEG14 blind test dataset demonstrates why this combination is theoretically and practically potentially the most accurate and efficient algorithm in existence to determine the final velocity model deep below the diving wave limit from a highly inaccurate starting model.
Original Starting Model

Original starting velocity model
Simplified Starting Model

Change relative to original start

Simplified starting velocity model
Full Waveform Inversion
Vanilla Technique
Single-Pass FWI

Cumulative update after 1 pass of FWI

Velocity model after 1 pass of FWI
Triple-Pass FWI

Cumulative update after 1st pass with smoothed FWI

Velocity model after 1st pass with smoothed FWI

Cumulative update after 2nd pass with lightly smoothed FWI

Velocity model after 2nd pass with lightly smoothed FWI

Cumulative update after 3rd pass FWI

Velocity model after 3rd pass of FWI
Adaptive Waveform Inversion
Overcomes Cycle Skipping
Single-Pass AWI

Cumulative update after 1 pass of AWI

Velocity model after 1 pass of AWI
Triple-Pass AWI

Cumulative update after 1st pass with smoothed AWI

Velocity model after 1st pass with smoothed AWI

Cumulative update after 2nd pass with lightly smoothed AWI

Velocity model after 2nd pass with lightly smoothed AWI

Cumulative update after 3rd pass with FWI

Velocity model after 3rd pass with FWI
Reflection Waveform Inversion
Extends Update Deeper
AWI-RWI integrated

Cumulative update after 1st pass integrated AWI-RWI

Velocity model after 1st pass integrated AWI-RWI

Cumulative update after 2nd pass AWI-RWI

Velocity model after 2nd pass AWI-RWI

Cumulative update after 3rd pass with final FWI

Velocity model after 3rd pass with final FWI
Fitting deep reflected events
Deep reflected events in the predicted data shifting into position through the inversion.

Interleaved predicted (start) and field data

Interleaved predicted (iteration 40) and field data

Observed field data

Run Full Waveform Inversion on the Cloud
Use XWITM on AWS to discover an unprecedented increase in the resolution of your velocity model.