No. | Processing History | Line S-2-B |
---|---|---|
1 | Format Conversion | SEG-Y reformat to 32 s/0.002 s |
18 s; Correlated by sweep: extending correlations, self-truncating sweep |
||
0.002 s | ||
2 | Editing Corrections | Trace edits |
3 | Crooked-Line Geometry | CDP binning |
4 | Amplitude Compensation | Spherical divergence correction (V**2) * T |
5 | Deconvolution | Predictive (trace by trace) |
0.14 s | ||
0.02 s | ||
0.1 % | ||
(0-2 s); (2-4 s); (4-6 s); (6-10 s); (10-14 s); (14-18 s) | ||
(250 m: 0 s); (3000 m: 0.85 s); (8125 m: 1.6 s); (12000 m: 2.5 s) | ||
0.04 s | ||
6 | Pre-Statics Corrections | Dynamic equalization (trace to trace) |
0-18 s; Overlap:50% | ||
7 | Elevation Statics | Corrected to floating datum (FDP) |
8 | Weathering Statics | Refraction analysis from first breaks |
9 | NMO Corrections | Using function supplied by client |
10 | Mute | First break (using function supplied by client) |
11 | Fixed Datum Statics | Yes |
200 m ASL | ||
6000 m/s | ||
5715 m/s | ||
12 | Residual Statics | Yes |
Yes | ||
0.5-8 s | ||
+/- 0.01 s | ||
13 | DIP Moveout | Using Kirchoff algorithm |
14 | Stack | 60 fold |
15 | Pre-Migration Corrections | Dynamic equalization (trace to trace) |
0-1.5 s; Overlap: 50% | ||
1.5-5 s; Overlap: 50% | ||
5-18 s; Overlap: 50% | ||
16 | Migration | Stolt algorithm |
6000 m/s | ||
17 | Pre-Filter Corrections | Yes |
SEGY output | ||
Yes | ||
18 | Filter | Time Variant Bandpass |
(0-3 s: 15,20,80,100 Hz); (4-8 s: 8,12,70,80 Hz); (9-18 s: 8,12,60,70 Hz) | ||
19 | Scaler | Yes |
0-0.6 s | ||
1.1-18 s |
Other Formats Processed | Comments |
---|---|
Structure Stack | Yes |
DMO Stack | Yes |
Migrated Structure Stack | Yes |