Geometry of data

Raw Data /data/2d_synthetic/amoco-overtherus/shots.HH
Velocity Model /data/2d_synthetic/amoco-overthrust/velmodel.HH,velsmooth.HH,velsmoother.HH
Usage Migration test: Gray and Marfurt (1995)
Geometry

In3d sort.H
-----------------------------------------------------------------
                 ********** sort.H ************ 
          4 -esize          Synched          data_format-xdr_float 
-----------------------------------------------------------------
n1=2000                  o1=0.000000     d1=0.004000     label1=time 
n2=123600        o2=1.000000     d2=1.000000     label2=trace_number 
Data: in=/net/kana/data/2d_synthetic/amoco-overthrust/sort.H@ 
     123600 elements,   988800000 bytes in data file 
-----------------------------------------------------------------
keynumber=1      keytype=scalar_int      keyname=tracl 
keynumber=2      keytype=scalar_int      keyname=tracr 
keynumber=3      keytype=scalar_int      keyname=fldr 
keynumber=4      keytype=scalar_int      keyname=tracf 
keynumber=5      keytype=scalar_int      keyname=ep 
keynumber=6      keytype=scalar_int      keyname=cdp 
keynumber=7      keytype=scalar_int      keyname=cdpt 
keynumber=8      keytype=scalar_int      keyname=trid 
keynumber=9      keytype=scalar_int      keyname=duse 
keynumber=10     keytype=scalar_int      keyname=offset 
keynumber=11     keytype=scalar_int      keyname=selev 
keynumber=12     keytype=scalar_int      keyname=sdepth 
keynumber=13     keytype=scalar_int      keyname=gx 
keynumber=14     keytype=scalar_float    keyname=g_x 
keynumber=15     keytype=scalar_float    keyname=s_x 
keynumber=16     keytype=scalar_float    keyname=aoffset 
keynumber=17     keytype=scalar_float    keyname=s_z 
keynumber=18     keytype=scalar_float    keyname=cmp_x 
keynumber=19     keytype=scalar_float    keyname=offset_x 
keynumber=20     keytype=scalar_int      keyname=data_record_number 
n2=123600        o2=1.000000     d2=1.000000     label2=trace_number 
Headers in=/net/kana/data/2d_synthetic/amoco-overthrust/sort.H@@@ 
    2472000 elements,     9888000 bytes in data file 
-----------------------------------------------------------------
grid axis2       n2=278          o2=0.000000     d2=90.000000    label2=s_x 
grid axis3       n3=481          o3=-3600.000000         d3=15.000000    label3=offset_x
Grid   in=/net/kana/data/2d_synthetic/amoco-overthrust/sort.H@@@@@ 
     133718 elements,      534872 bytes in data file 
-----------------------------------------------------------------
-----------------------------------------------------------------

Problem Migration test, statics???
History of Data Gift from BP Amoco (2000)
Proprietary Considerations If you use this data be sure to thank BP Amoco.

 

gather Figure 1 Raw Shot gather

 

velmod
Figure 2 Velocity model

 

zero
Figure 3 Zero offset image

 

elev
Figure 4 Source elevations