ACQUISITION REPORT Sequence-0390
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4288A390
  Preplot G01A4288
  Direction 18.0°
  SOL Date 12:10:15utc 30-Apr-2002
  EOL Date 17:25:09utc 30-Apr-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir S
   Swell Height 2.0 [meters] Dir E
   Propellor rpm 1222 [avg]  
   Propellor pitch 92 [avg]  
       
  SOL EOL  
   Waterdepth 87.0 47.0 [meters]
   Bottomspeed  4.4 4.6 [knots]
   Featherangle sb +6.4 sb +1.9 [deg]
   Cable noise 0.0 4.9 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]
   Port Volume 3542 3542  
   Stbd Volume 3542 3542  

Source Configuration
Source Position Inline Crossline Nominal Nom. Vol. Subarray Gun
Number   Offset [m] Offset [m] Depth [m] [inch ³] Count Count
1 STBD -345.0 25.0 -6.0 3542.0 3 24
2 PORT -345.0 -25.0 -6.0 3542.0 3 24

Streamer Configuration
Streamer Position Inline Crossline Nominal Length Type Group Channel Front-Tail
Number   Offset [m] Offset [m] Depth [m] [m]   Interval [m] Count  
1 STBD -520.0 350.0 -7.0 4600 Nessie-3 12.5 368 0001-0368
2 STBD -520.0 250.0 -7.0 4600 Nessie-3 12.5 368 0369-0736
3 STBD -520.0 150.0 -7.0 4600 Nessie-3 12.5 368 0737-1104
4 STBD -520.0 50.0 -7.0 4600 Nessie-3 12.5 368 1105-1472
5 PORT -520.0 -50.0 -7.0 4600 Nessie-3 12.5 368 1473-1840
6 PORT -520.0 -150.0 -7.0 4600 Nessie-3 12.5 368 1841-2208
7 PORT -520.0 -250.0 -7.0 4600 Nessie-3 12.5 368 2209-2576
8 PORT -520.0 -350.0 -7.0 4600 Nessie-3 12.5 368 2577-2944

Recording Configuration
Channel Descr. Recording Data RecLen Sample Chan Chan # Chan Chan # Filter
Set   Format Reduction [ss ¹] Int. [ms] In In Out Out Delay [ms]
1 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
2 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0001-0368 0368 0001 - 0368 5.60
3 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0369-0736 0368 0369 - 0736 5.60
4 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0737-1104 0368 0737 - 1104 5.60
5 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1105-1472 0368 1105 - 1472 5.60
6 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1473-1840 0368 1473 - 1840 5.60
7 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1841-2208 0368 1841 - 2208 5.60
8 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 2209-2576 0368 2209 - 2576 5.60
9 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 2577-2944 0368 2577 - 2944 5.60

Production
  Shotpoint File Time [utc]
   SOL Noise Record(s)      
   SOL Dummy Record(s)      
   FSP Start of Line 1903 1903 12:10:15
   MSP      
   LSP End of Line 4305 4305 17:25:09
   EOL Dummy Record(s)      
   EOL Noise Record(s)      
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1903 - 1999 1903 - 1999 12:10:15-12:23:28 Prime 16 Scratched NTBP d/t coverage
    2000 - 4305 2000 - 4305 12:23:36-17:25:09 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m.    
   Recording QC Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1033mB. Streamer 7 & 8 not used due to lack of initialization. Side swipes present at recording. SOL noise NOTavailable. FGSP 2000    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1903 - 2332 1903 - 2332 1 1663  
  2333 - 2762 2333 - 2762 2 1664  
  2763 - 3192 2763 - 3192 1 1665  
  3193 - 3622 3193 - 3622 2 1666  
  3623 - 4052 3623 - 4052 1 1667  
  4053 - 4305 4053 - 4305 1 1668  
Stream 2
   Shot(s) Files Deck Reel Remark
  1903 - 2332 1903 - 2332 3 1663  
  2333 - 2762 2333 - 2762 4 1664  
  2763 - 3192 2763 - 3192 3 1665  
  3193 - 3622 3193 - 3622 4 1666  
  3623 - 4052 3623 - 4052 3 1667  
  4053 - 4305 4053 - 4305 4 1668  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 744 Killed Trace  
ALL     ALL 1857, 2827, 2871 Noisy Trace(s)  
ALL     ALL 2209-2944 Dead streamers Streamer #7 and #8 dead
ALL     ALL 1476, 1633, 2782 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1553, 1979, 2265, 2764 Spiking Trace(s)  
2325-2355     2325-2355 51-67 Bird depth out of spec Bird C1-4 max depth 10.2m
2326-2342     2326-2342 8-72 Monowing wash Low frequency, high amplitude noise due to monowing wash
2336-2362     2336-2362 419-435 Bird depth out of spec Bird C2-4 max depth 10.3m
2340-2351     2340-2351 386-424 Monowing wash Low frequency, high amplitude noise due to monowing wash
2350-2363     2350-2363 443-459 Bird depth out of spec Bird C2-5 max depth 9.4m
2383-2398     2383-2398 51-67 Bird depth out of spec Bird C1-4 max depth 9.7m
2385-2391     2385-2391 27-43 Bird depth out of spec Bird C1-3 max depth 9.8m
2386-2401     2386-2401 419-435 Bird depth out of spec Bird C2-4 max depth 10.1m
2478-2505     2478-2505 419-435 Bird depth out of spec Bird C2-4 max depth 9.9m
2628-2643     2628-2643 51-67 Bird depth out of spec Bird C1-4 max depth 10.5m
2639-2647     2639-2647 443-459 Bird depth out of spec Bird C2-5 max depth 10.1m
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2209-2240 Seismic data parity errors > 5% of total line
2322-2332     2322-2332 419-435 Bird depth out of spec Bird C2-4
2348-2358     2348-2358 75-91 Bird depth out of spec Bird C1-5
2351-2362     2351-2362 99-115 Bird depth out of spec Bird C1-6
2358-2375     2358-2375 467-483 Bird depth out of spec Bird C2-6
2368-2382     2368-2382 147-163 Bird depth out of spec Bird C1-8
2384-2396     2384-2396 147-163 Bird depth out of spec Bird C1-8
2384-2395     2384-2395 395-411 Bird depth out of spec Bird C2-3
2468-2497     2468-2497 51-67 Bird depth out of spec Bird C1-4
2482-2504     2482-2504 443-459 Bird depth out of spec Bird C2-5
2498-2517     2498-2517 467-483 Bird depth out of spec Bird C2-6
2638-2652     2638-2652 99-115 Bird depth out of spec Bird C1-6
2643-2662     2643-2662 467-483 Bird depth out of spec Bird C2-6
2648-2670     2648-2670 443-459 Bird depth out of spec Bird C2-5
2781-2797     2781-2797 587-603 Bird depth out of spec Bird C2-11
2810-2827     2810-2827 587-603 Bird depth out of spec Bird C2-11
3937-3957     3937-3957 147-163 Bird depth out of spec Bird C1-8
3975-3993     3975-3993 147-163 Bird depth out of spec Bird C1-8
3995-4006     3995-4006 147-163 Bird depth out of spec Bird C1-8
4151     4151 ALL Gun timing error Gun 1-2 error (ms) : -1.8
4164     4164 ALL Gun Timing Error Gun 5-2 error (ms) : -1.8
Comment
Shot(s)     File(s) Trace(s) Type Remark
2000     2000 ALL   FGSP : First Good Shot Point 2000


 List of used abbreviations:
     SOL/EOL  Start/End of line. 
     FSP/LSP  First/Last shotpoint of the line. 
     FCSP/LCSP  First/Last chargeable shotpoint
     MSP  Midnight (last) shotpoint of the day
     FGSP/LGSP  First/Last Good Shotpoint
     FOSP/LOSP  First/Last Overlap Shotpoint
     FSP/LSP R/O  First/Last Shotpoint Runout
   
     Deg  Degrees: e[0,360]
     rev  Revolutions
     utc  Universal Time Coordinated
     SPs  Shotpoints
     CMPs  Common midpoints
     NTBP  Not to be processed
     SI  Seismic interference
TRILOGY INFORMATION MANAGER - ACQUISITION REPORT - GENERATED 09:10:06utc 17-May-2002