ACQUISITION REPORT Sequence-0309
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3712J309
  Preplot G01A3712
  Direction 18.0°
  SOL Date 23:19:27utc 09-Mar-2002
  EOL Date 06:38:32utc 10-Mar-2002
 Attributes:  
   Wind Force 21.0 [knots] Dir NE
   Swell Height 2.0 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 60.0 48.0 [meters]
   Bottomspeed  3.5 3.4 [knots]
   Featherangle sb +1.2 port -10.6 [deg]
   Cable noise 4.1 8.24 [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)   1730 - 1731  
   SOL Dummy Record(s) 1732 - 1761 1732 - 1761 23:14:13 - 23:19:16
   FSP Start of Line 1762 1762 23:19:27
   MSP 1997 1997 23:59:51
   LSP End of Line 4258 4258 06:38:32
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4259 - 4260  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1762 - 4258 1762 - 4258 23:19:27-06:38:32 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 1025mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP. Occassional Burts of swell noise present on all record    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1730 - 2159 1730 - 2159 1 1264  
  2160 - 2589 2160 - 2589 2 1265  
  2590 - 3019 2590 - 3019 1 1266  
  3020 - 3449 3020 - 3449 2 1267  
  3450 - 3879 3450 - 3879 1 1268  
  3880 - 4260 3880 - 4260 2 1269  
Stream 2
   Shot(s) Files Deck Reel Remark
  1730 - 2159 1730 - 2159 3 1264  
  2160 - 2589 2160 - 2589 4 1265  
  2590 - 3019 2590 - 3019 3 1266  
  3020 - 3449 3020 - 3449 4 1267  
  3450 - 3879 3450 - 3879 3 1268  
  3880 - 4260 3880 - 4260 4 1269  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 2599 Killed traces  
ALL     ALL 1476, 1633 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1657, 2389, 2782, 2772, 2600 Spiking Trace(s)  
2854-2867     2854-2867 419-435 Bird depth out of spec Bird C2-4
2865-2876     2865-2876 75-91 Bird depth out of spec Bird C1-5
3314     3314 ALL Gun timing error Gun 5-1 error (ms) : 2.1
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1, occasionally deep 8.1m - 8.4m
ALL     ALL 2577-2581 Bird depth out of spec Bird C8-1, occasionally deep 8.1m - 8.4m
ALL     ALL 1-17, 20, 369-383, 390, 737-761, 763-764, 1105-1116, 1122-1126, 1130-1131, 1135, 1473, 1480-1485, 1487, 1489, 1841-1857, 1860-1867, 1873, 2209-2226, 2229-2232, 2236-2237, 2239, 2577, 2585-2588, 2602 Slope alarm > 5% of total line
1774     1774 ALL Gun timing error Gun 5-1 error (ms) : 1.6
1822     1822 ALL Gun timing error Gun 5-1 error (ms) : 1.8
1914     1914 ALL Gun timing error Gun 5-1 error (ms) : 1.7
1918     1918 ALL Gun timing error Gun 5-1 error (ms) : 1.7
2066     2066 ALL Gun timing error Gun 5-1 error (ms) : 1.6
2085-2094     2085-2094 2627-2643 Bird depth out of spec Bird C8-4
2087-2097     2087-2097 2603-2619 Bird depth out of spec Bird C8-3
2226     2226 ALL Gun timing error Gun 5-1 error (ms) : 1.8
2236     2236 ALL Gun timing error Gun 5-1 error (ms) : 1.7
2288     2288 ALL Gun timing error Gun 5-1 error (ms) : 1.6
2380     2380 ALL Gun timing error Gun 5-1 error (ms) : 1.6
2771-2779     2771-2779 395-411 Bird depth out of spec Bird C2-3
2774-2782     2774-2782 419-435 Bird depth out of spec Bird C2-4
2786-2796     2786-2796 99-115 Bird depth out of spec Bird C1-6
2790-2799     2790-2799 123-139 Bird depth out of spec Bird C1-7
2855-2870     2855-2870 443-459 Bird depth out of spec Bird C2-5
2857-2871     2857-2871 395-411 Bird depth out of spec Bird C2-3
2860-2874     2860-2874 51-67 Bird depth out of spec Bird C1-4
2954     2954 ALL Gun timing error Gun 5-1 error (ms) : 1.8
2990     2990 ALL Gun timing error Gun 5-1 error (ms) : 1.7
3228     3228 ALL Gun timing error Gun 5-1 error (ms) : 1.8
3310     3310 ALL Gun timing error Gun 5-1 error (ms) : 1.6
3350     3350 ALL Gun timing error Gun 5-1 error (ms) : 2.0
3438     3438 ALL Gun timing error Gun 5-1 error (ms) : 1.7
3562     3562 ALL Gun timing error Gun 5-1 error (ms) : 1.8
3594     3594 ALL Gun timing error Gun 5-1 error (ms) : 1.6
3680     3680 ALL Gun timing error Gun 5-1 error (ms) : 1.6
3716     3716 ALL Gun timing error Gun 5-1 error (ms) : 1.6
3770     3770 ALL Gun timing error Gun 5-1 error (ms) : 1.6
3778     3778 ALL Gun timing error Gun 5-1 error (ms) : 1.6
3784     3784 ALL Gun timing error Gun 5-1 error (ms) : 1.7
3978     3978 ALL Gun timing error Gun 5-2 error (ms) : -1.7
4036     4036 ALL Gun timing error Gun 5-1 error (ms) : 1.6
4067     4067 ALL Gun timing error Gun 1-4 error (ms) : -1.1
4112     4112 ALL Gun timing error Gun 5-1 error (ms) : 1.9
4116     4116 ALL Gun timing error Gun 5-1 error (ms) : 1.7
4149     4149 ALL Gun timing error Gun 1-4 error (ms) : -1.1
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 06:58:30utc 10-Mar-2002