Data Information

Raw Data Available on DLT tapes
Velocity Model /data_3d/jupiter_north_sea/vel.H
Stack /data_3d/jupiter_north_sea/jupiter_nears.H
Usage Common-azimuth depth migration Biondi (1996)
Geometry

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                 ********** jupiter_sort.H ************ 
          4 -esize          Unsynched        data_format-xdr_float 
-----------------------------------------------------------------
n1=876           o1=0.000000     d1=0.004000     label1=time 
n2=5529905       o2=1.000000     d2=1.000000     label2=trace number 
Data: in=DLT tapes;
    5529905 elements, 19376787120 bytes in data file 
-----------------------------------------------------------------
keynumber=1      keytype=scalar_int      keyname=sx 
keynumber=2      keytype=scalar_int      keyname=sy 
keynumber=3      keytype=scalar_int      keyname=gx 
keynumber=4      keytype=scalar_int      keyname=gy 
keynumber=5      keytype=scalar_int      keyname=cdp 
keynumber=6      keytype=scalar_int      keyname=offset 
keynumber=7      keytype=scalar_int      keyname=data_record_number 
keynumber=8      keytype=scalar_float    keyname=s_x 
keynumber=9      keytype=scalar_float    keyname=g_x 
keynumber=10     keytype=scalar_float    keyname=s_y 
keynumber=11     keytype=scalar_float    keyname=g_y 
keynumber=12     keytype=scalar_float    keyname=cmp_x 
keynumber=13     keytype=scalar_float    keyname=cmp_y 
keynumber=14     keytype=scalar_float    keyname=offset_x 
keynumber=15     keytype=scalar_float    keyname=offset_y 
keynumber=16     keytype=scalar_float    keyname=aoffset 
keynumber=17     keytype=scalar_float    keyname=azimuth 
n2=5529905       o2=1.000000     d2=1.000000     label2=trace_number 
Headers in=/scrsa4/marie/jupiter/jupiter_sort.H@@@ 
   94008385 elements,   376033540 bytes in data file 
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grid axis2       n2=22   o2=1.000000     d2=1.000000     label2=trace_in_bin 
grid axis3       n3=107          o3=95.000000    d3=20.000000    label3=aoffset 
grid axis4       n4=29   o4=-1.400000    d4=0.100000     label4=azimuth 
grid axis5       n5=49   o5=13500.000000         d5=150.000000   label5=cmp_x 
grid axis6       n6=393          o6=16100.000000         d6=12.500000    label6=cmp_y 
Grid   in=/scrsa4/marie/jupiter/jupiter_sort.H@@@@@ 
 1314598362 elements,  5258393448 bytes in data file 
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Problem
History of Data
Preprocessing
Proprietary Considerations

 

velmod
Figure 1 Velocity model

 

shot-layout
Figure 2 Receiver locations for a single shot

 

stack
Figure 3 Near offset stacked data

 

cmp
Figure 4 CMP gather

 

cmp-fold
Figure 5 Fold map in cmp space

 

offset-fold
Figure 6 Fold map in absolute offset/azimuth space