Basic Seismic Processing INPUT FILTER CMP Gather NMO STACK MIGRATE DISPLAY GEOM VEL ANAL STATICS MUTE.

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Presentation transcript:

Basic Seismic Processing INPUT FILTER CMP Gather NMO STACK MIGRATE DISPLAY GEOM VEL ANAL STATICS MUTE

More Seismic Processing INPUT BP FILTER CMP Gather NMO STACK MIGRATE DISPLAY GEOM VEL ANAL STATICS DEMUX VIB CORR FK FILTER DECON DMO/ MIGRATE SAVE DECON FK FILTER MUTE GAIN RCVR COHERENCY ENHANCE COHERENCY ENHANCE TIME TO DEPTH EDIT

SP to CMP Gather

Shot Gathers CMP Gathers

Gathers

NMO

NMO Original Too SlowToo FastJust Right

NMO Layered Medium

NMO Stretch

RMS Velocity

NMO vs dip Flat SlowFlat FastDip Slow V  = V 0 /cos 

Estimating V stack

Velocity Spectra

Estimating V stack Constant Velocity Gathers (CMP)

Estimating V stack Constant Velocity Stacks

NMO and Noise Decreasing S/N

Velocity Spectra

Horizon Velocity Analysis

Velocity Estimates CMP No. Time, sec

Muting CMPNMO NMO+Mute

Statics

Statics

Statics Before After

Stack

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