ACQUISITION REPORT Sequence-0477
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4864C477
  Preplot G01A4864
  Direction 198.0°
  SOL Date 13:33:40utc 07-Jun-2002
  EOL Date 16:27:29utc 07-Jun-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir NW
   Swell Height 1.0 [meters] Dir WSW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 75.4 213.0 [meters]
   Bottomspeed  4.6 3.3 [knots]
   Featherangle sb +2.4 port -12.9 [deg]
   Cable noise 4.8 0.0 [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)   4221 - 4220  
   SOL Dummy Record(s) 4219 - 4210 4219 - 4210 13:32:22 - 13:33:32
   FSP Start of Line 4209 4209 13:33:40
   MSP      
   LSP End of Line 2990 2990 16:27:29
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1759 - 1758  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4209 - 3151 4209 - 3151 13:33:40-15:58:26 Reshoot 16 Valid  
    3150 - 3141 3150 - 3141 15:58:36-16:00:07 Reshoot 16 Valid overlap
    3140 - 2990 3140 - 2990 16:00:17-16:27:29 Infill 16 Scratched  
 Remarks:      
   Navigation Streamer depth 7mtr    
   Recording QC Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1005mB. Low frequency strumming Str 6 channels 1841 - 1875. Occassional burst of swell noise present on records,approx 5-10 µB, affecting 5 % of traces. LSP 2990 recorded, SP 3140-2990 DNP    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  4221 - 3792 4221 - 3792 2 1945  
  3791 - 3362 3791 - 3362 1 1946  
  3361 - 1758 3361 - 1758 1 1947  
Stream 2
   Shot(s) Files Deck Reel Remark
  4221 - 3792 4221 - 3792 3 1945  
  3791 - 3362 3791 - 3362 4 1946  
  3361 - 1758 3361 - 1758 3 1947  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 377, 744, 2446 Killed traces  
ALL     ALL 304, 1857 Noisy Trace(s)  
ALL     ALL 1553 Spiking Trace(s)  
ALL     ALL 2577-2944 Killed Trace  
ALL     ALL 1-5 Streamer depth Bird C1-1 out of spec deep at 13mtr
3810-3801     3810-3801 2259-2275 Bird depth out of spec Bird C7-4 max depth 9.3mtrs
3679-3664     3679-3664 611-627 Bird depth out of spec Bird C2-12 max depth 9.4mtrs
3441-3432     3441-3432 2283-2299 Bird depth out of spec Bird C7-5 max depth 9.4mtrs
3421     3421 ALL Gun timing error Gun 2-1 error (ms) : -2.3
3397-3380     3397-3380 611-627 Bird depth out of spec Bird C2-12 max depth 9.4mtrs
3345-3279     3345-3279 611-627 Bird depth out of spec Bird C2-12 max depth 12.6mtrs
3317-3286     3317-3286 635-651 Bird depth out of spec Bird C2-13 max depth 11.2mtrs
3033-3031     3033-3031 611-627 Bird depth out of spec Bird C2-12 max depth 9.4mtrs
3012-3001     3012-3001 NONE Bird depth out of spec Bird C7-4 max depth 9.4mtrs
Warning
Shot(s)     File(s) Trace(s) Type Remark
4120-4080     4120-4080 NONE Bird depth out of spec Bird C2-12
4056-4045     4056-4045 NONE Bird depth out of spec Bird C2-12
3976-3959     3976-3959 NONE Bird depth out of spec Bird C7-5
3826-3792     3826-3792 NONE Bird depth out of spec Bird C7-4
3717-3653     3717-3653 NONE Bird depth out of spec Bird C2-12
3452-3432     3452-3432 NONE Bird depth out of spec Bird C7-4
3447-3442     3447-3442 NONE Bird depth out of spec Bird C7-5
3431-3402     3431-3402 NONE Bird depth out of spec Bird C7-5
3421-3264     3421-3264 ALL Streamer noise Low frequency noise dt currents approx 7uB
3418-3407     3418-3407 NONE Bird depth out of spec Bird C7-4
3412-3398     3412-3398 NONE Bird depth out of spec Bird C2-12
3379-3346     3379-3346 NONE Bird depth out of spec Bird C2-12
3345-3324     3345-3324 NONE Bird depth out of spec Bird C2-11
3332-3318     3332-3318 NONE Bird depth out of spec Bird C2-13
3318-3290     3318-3290 NONE Bird depth out of spec Bird C2-11
3306-3289     3306-3289 NONE Bird depth out of spec Bird C2-14
3285-3279     3285-3279 NONE Bird depth out of spec Bird C2-13
3278-3269     3278-3269 NONE Bird depth out of spec Bird C2-12
3122-3109     3122-3109 NONE Bird depth out of spec Bird C1-8
3117     3117 ALL Gun timing error Gun 2-1 error (ms) : -1.6
3116-3107     3116-3107 NONE Bird depth out of spec Bird C1-9
3083-3072     3083-3072 NONE Bird depth out of spec Bird C7-4
3068-3034     3068-3034 NONE Bird depth out of spec Bird C2-12
3041-3027     3041-3027 NONE Bird depth out of spec Bird C1-3
3032-3013     3032-3013 NONE Bird depth out of spec Bird C7-4
3021-2993     3021-2993 NONE Bird depth out of spec Bird C7-5
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Bird no comms C1-4, C4-2,


 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 16:56:06utc 07-Jun-2002