Open Data/Open Source: Seismic Unix scripts to process a 2D land line

post stack migration

The commands:

scons mig.view
scons migps.view

or

./mig.job
./migps.job

apply post stack to the second pass residual statics stack (Figure 13). The first command produces the Kirchhoff migration shown in Figure 14 and the second command produces the phase shift migration which is not shown. The Kirchhoff data used the final stacking velocity field (Figure 12). The phase-shift migration used a single interval velocity. I converted to interval velocity using Dix' equation (Dix, 1955) in a spreadsheet.

mig
Figure 14. Post stack Kirchhoff migration of the final stack.