ACQUISITION REPORT Sequence-0885
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170C
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A5296AFH885
  Preplot G01A5296
  Direction 265.0°
  SOL Date 18:01:01utc 02-Jul-2002
  EOL Date 19:08:34utc 02-Jul-2002
 Attributes:  
   Wind Force 30.0 [knots] Dir NW
   Swell Height 1.5 [meters] Dir NW
   Propellor rpm 122 [avg]  
   Propellor pitch 90 [avg]  
       
  SOL EOL  
   Waterdepth 76.0 64.0 [meters]
   Bottomspeed  4.6 4.6 [knots]
   Featherangle sb +3.7 sb +6.3 [deg]
   Cable noise 6.9 5.7 [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 8
2 PORT -345.0 -25.0 -6.0 3542.0 3 8

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 -520.0 250.0 -7.0 4600 Nessie-3 12.5 368 0001-0368
2 STBD -520.0 150.0 -7.0 4600 Nessie-3 12.5 368 0369-0736
3 STBD -520.0 50.0 -7.0 4600 Nessie-3 12.5 368 0737-1104
4 PORT -520.0 -50.0 -7.0 4600 Nessie-3 12.5 368 1105-1472
5 PORT -520.0 -150.0 -7.0 4600 Nessie-3 12.5 368 1473-1840
6 PORT -520.0 -250.0 -7.0 4600 Nessie-3 12.5 368 1841-2208

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

Production
  Shotpoint File Time [utc]
   SOL Noise Record(s)   2778 - 2779  
   SOL Dummy Record(s) 2780 - 2809 2780 - 2809 17:57:12 - 18:00:53
   FSP Start of Line 2810 2810 18:01:01
   MSP      
   LSP End of Line 3320 3320 19:08:34
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3321 - 3322  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2810 - 3320 2810 - 3320 18:01:01-19:08:34 Prime 12 Valid  
 Remarks:      
   Navigation Streamer depth 7.0mtr. Six streamer line.    
   Recording QC Frontsheet Set 5. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1009mB. Using Six streamer. Orthogonal Line. Bird C6-11 No Comms. Bird C1-3 continously out of spec, off collar. Hit bye a strong rip current at SOL    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2778 - 3322 2778 - 3322 2 10092  
Stream 2
   Shot(s) Files Deck Reel Remark
  2778 - 3322 2778 - 3322 4 10092  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2067, 2134, 2185 Noisy Trace(s)  
2809-2819     2809-2819 1915-1931 Bird depth out of spec Bird C6-5, max depth 9.5m
2810-2905     2810-2905 1-200 Streamer noise Low frequency noise dt rip current
2810-2905     2810-2905 369-569 Streamer noise Low frequency noise dt rip current
2810-2905     2810-2905 737-937 Streamer noise Low frequency noise dt rip current
2810-2905     2810-2905 1105-1305 Streamer noise Low frequency noise dt rip current
2810-2905     2810-2905 1473-1673 Streamer noise Low frequency noise dt rip current
2810-2905     2810-2905 1841-2041 Streamer noise Low frequency noise dt rip current
2838-2870     2838-2870 27-43 Bird depth out of spec Bird C1-3, max depth 10.0m
2880-2915     2880-2915 27-43 Bird depth out of spec Bird C1-3, max depth 9.8m
2906-2964     2906-2964 20-270 Streamer noise Low frequency noise dt rip current
2906-2964     2906-2964 389-639 Streamer noise Low frequency noise dt rip current
2906-2964     2906-2964 757-1027 Streamer noise Low frequency noise dt rip current
2906-2964     2906-2964 1125-1395 Streamer noise Low frequency noise dt rip current
2906-2964     2906-2964 1493-1765 Streamer noise Low frequency noise dt rip current
2906-2964     2906-2964 1861-2131 Streamer noise Low frequency noise dt rip current
2965-3020     2965-3020 120-335 Streamer noise Low frequency noise dt rip current
2965-3020     2965-3020 489-824 Streamer noise Low frequency noise dt rip current
2965-3020     2965-3020 857-1192 Streamer noise Low frequency noise dt rip current
2965-3020     2965-3020 1225-1560 Streamer noise Low frequency noise dt rip current
2965-3020     2965-3020 1593-1928 Streamer noise Low frequency noise dt rip current
2965-3020     2965-3020 1961-2296 Streamer noise Low frequency noise dt rip current
3049-3086     3049-3086 339-355 Bird depth out of spec Bird C1-16, min depth 3.8m
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 379, 1127, 1895, 2183-2184 Noisy Trace(s)  
ALL     ALL 27-43 Bird depth out of spec Bird C1-3 continously out of spec, off collar
ALL     ALL 1-13, 17, 369-385, 387, 390, 392, 395-396, 758, 762, 1105, 1113, 1116-1117, 1121, 1473-1487, 1492-1493, 1496, 1841-1858, 1861 Slope alarm > 5% of total line
2864-2874     2864-2874 339-355 Bird depth out of spec Bird C1-16
2890-2913     2890-2913 339-355 Bird depth out of spec Bird C1-16
2998     2998 ALL Gun timing error Gun 5-4 error (ms) : -1.2
3038     3038 ALL Gun timing error Gun 5-3 error (ms) : -1.1
3168     3168 ALL Gun timing error Gun 5-3 error (ms) : -1.2
3208     3208 ALL Gun timing error Gun 5-3 error (ms) : -1.1
3248     3248 ALL Gun timing error Gun 5-4 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 05:36:57utc 03-Jul-2002