ACQUISITION REPORT Sequence-0355
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4800A355
  Preplot G01A4800
  Direction 198.0°
  SOL Date 05:18:56utc 11-Apr-2002
  EOL Date 10:54:31utc 11-Apr-2002
 Attributes:  
   Wind Force 2.0 [knots] $(wind_dir)
   Swell Height 0.5 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 70.0 234.0 [meters]
   Bottomspeed  4.8 4.5 [knots]
   Featherangle sb +9.1 sb +1.9 [deg]
   Cable noise 4.76 4.3 [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
0 STBD -345.0 25.0 -6.0 0.0 0 0
0 STBD -345.0 -25.0 -6.0 0.0 0 0

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)   4218 - 4217  
   SOL Dummy Record(s) 4216 - 4207 4216 - 4207 05:17:40 - 05:18:48
   FSP Start of Line 4206 4206 05:18:56
   MSP      
   LSP End of Line 1734 1734 10:54:31
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1733 - 1732  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4206 - 1734 4206 - 1734 05:18:56-10:54:31 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1018mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  4218 - 3789 4218 - 3789 1 1478  
  3788 - 3359 3788 - 3359 2 1479  
  3358 - 2929 3358 - 2929 1 1480  
  2928 - 2499 2928 - 2499 2 1481  
  2498 - 2069 2498 - 2069 1 1482  
  2068 - 1732 2068 - 1732 2 1483  
Stream 2
   Shot(s) Files Deck Reel Remark
  4218 - 3789 4218 - 3789 3 1478  
  3788 - 3359 3788 - 3359 4 1479  
  3358 - 2929 3358 - 2929 3 1480  
  2928 - 2499 2928 - 2499 4 1481  
  2498 - 2069 2498 - 2069 3 1482  
  2068 - 1732 2068 - 1732 4 1483  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 2265, 1801, 1553, 1032 Spiking Trace(s)  
ALL     ALL 1159, 2871 Noisy Trace(s)  
4128     4128 1041-1048 Streamer Earth Leakage  
4128     4128 1059-1072 Streamer Earth Leakage  
4031     4031 1041-1048 Streamer Earth Leakage  
4031     4031 1059-1072 Streamer Earth Leakage  
3836     3836 1041-1048 Streamer Earth Leakage  
3836     3836 1059-1072 Streamer Earth Leakage  
3274     3274 737-1104 Streamer Earth Leakage  
3266-3265     3266-3265 1041-1048 Streamer Earth Leakage  
3266-3265     3266-3265 1059-1072 Streamer Earth Leakage  
3077-3073     3077-3073 2259-2275 Streamer depth Streamer depth out of spec, Bird C7-4 9.3 m.
3041     3041 ALL Gun timing error Gun 1-2 error (ms) : -2.1
2999-2984     2999-2984 2259-2275 Streamer depth Streamer depth out of spec, Bird C7-4 9.7 m.
2666     2666 737-1104 Streamer Earth Leakage  
2491-2458     2491-2458 755-820 Noisy Trace(s) Noisy traces d/t current change.
2478-2451     2478-2451 44-83 Noisy Trace(s) Noisy traces d/t current change.
2125     2125 1041-1048 Streamer Earth leakage  
2125     2125 1059-1072 Streamer Earth Leakage  
1997     1997 1041-1048 Streamer Earth Leakage  
1997     1997 1059-1072 Streamer Earth Leakage  
1938     1938 1041-1048 Streamer Earth Leakage  
1938     1938 1059-1072 Streamer Earth Leakage  
1931     1931 1041-1048 Streamer Earth Leakage  
1931     1931 1059-1072 Streamer Earth Leakage  
1927     1927 1041-1048 Streamer Earth Leakage  
1927     1927 1059-1072 Streamer Earth Leakage  
1881     1881 1041-1048 Streamer Earth Leakage  
1881     1881 1059-1072 Streamer Earth Leakage  
Warning
Shot(s)     File(s) Trace(s) Type Remark
3430-3406     3430-3406 NONE Bird depth out of spec Bird C7-9
2317-2307     2317-2307 NONE Bird depth out of spec Bird C7-4
Comment
Shot(s)     File(s) Trace(s) Type Remark


 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 11:08:21utc 11-Apr-2002