ACQUISITION REPORT Sequence-0175
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2656J175
  Preplot G01A2656
  Direction 198.0°
  SOL Date 08:38:01utc 04-Jan-2002
  EOL Date 10:02:15utc 04-Jan-2002
 Attributes:  
   Wind Force 12.0 [knots] Dir SSW
   Swell Height 1.5 [meters] Dir SSW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 43.5 46.8 [meters]
   Bottomspeed  4.2 3.8 [knots]
   Featherangle sb +0.7 0.0 [deg]
   Cable noise 6.23 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)   3767 - 3766  
   SOL Dummy Record(s) 3765 - 3736 3765 - 3736 08:33:43 - 08:37:53
   FSP Start of Line 3735 3735 08:38:01
   MSP      
   LSP End of Line 3170 3170 10:02:15
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3169 - 3169  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3735 - 3170 3735 - 3170 08:38:01-10:02:15 Infill 16 Scratched Line stopped d/t swell noise.
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1015mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. Tailbouy tugging noise present on all records.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3767 - 3338 3767 - 3338 1 725  
  3337 - 3169 3337 - 3169 2 726  
Stream 2
   Shot(s) Files Deck Reel Remark
  3767 - 3338 3767 - 3338 3 725  
  3337 - 3169 3337 - 3169 3 726  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1255 Killed traces  
ALL     ALL- 1853 Killed traces  
3735-3570     3735-3570 203 Noisy Trace(s)  
3722-3716     3722-3716 NONE Bird depth out of spec Bird C1-10
3713-3712     3713-3712 NONE Bird depth out of spec Bird C1-10
3569-3169     3569- 203 Killed traces  
3239     3239 NONE Bird depth out of spec Bird C7-4
3233     3233 ALL Gun timing error Gun 3-5 error (ms) : -1.1
3188     3188 NONE Bird depth out of spec Bird C7-4
3186-3184     3186-3184 NONE Bird depth out of spec Bird C7-4
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 195-211 Bird depth out of spec Bird C1-10 occassionally deep 8.1 - 8.3m
ALL     ALL 1-13, 16, 369-380, 737-753, 755, 758-759, 763-764, 1105-1113, 1123, 1125-1126, 1130, 1473, 1484, 1489, 2209-2226, 2229-2230, 2232, 2577, 2585-2588, 2591, 2602 Slope alarm > 5% of total line
3633-3632     3633-3632 NONE Bird depth out of spec Bird C8-5
3630     3630 NONE Bird depth out of spec Bird C8-5
3603     3603 NONE Bird depth out of spec Bird C5-14
3596     3596 NONE Bird depth out of spec Bird C5-14
3581     3581 NONE Bird depth out of spec Bird C5-14
3575     3575 NONE Bird depth out of spec Bird C5-14
3560     3560 NONE Bird depth out of spec Bird C5-14
3525     3525 NONE Bird depth out of spec Bird C7-1
3516     3516 NONE Bird depth out of spec Bird C7-1
3466-3464     3466-3464 NONE Bird depth out of spec Bird C8-4
3423     3423 ALL Gun timing error Gun 3-5 error (ms) : -1.2
3398     3398 NONE Bird depth out of spec Bird C7-1
3336     3336 NONE Bird depth out of spec Bird C7-5
3261     3261 NONE Bird depth out of spec Bird C5-14
3242-3240     3242-3240 NONE Bird depth out of spec Bird C7-4
3240-3233     3240-3233 NONE Bird depth out of spec Bird C7-5
3238-3234     3238-3234 NONE Bird depth out of spec Bird C5-15
3238-3232     3238-3232 NONE Bird depth out of spec Bird C7-4
3236     3236 NONE Bird depth out of spec Bird C7-1
3234     3234 NONE Bird depth out of spec Bird C7-1
3231-3230     3231-3230 NONE Bird depth out of spec Bird C7-1
3194-3192     3194-3192 NONE Bird depth out of spec Bird C8-3
3192-3189     3192-3189 NONE Bird depth out of spec Bird C7-4
3189     3189 NONE Bird depth out of spec Bird C7-3
3187-3171     3187-3171 NONE Bird depth out of spec Bird C5-15
3187     3187 NONE Bird depth out of spec Bird C7-3
3187     3187 NONE Bird depth out of spec Bird C7-4
3187-3176     3187-3176 NONE Bird depth out of spec Bird C8-4
3185     3185 NONE Bird depth out of spec Bird C7-3
3183-3179     3183-3179 NONE Bird depth out of spec Bird C7-4
3182     3182 NONE Bird depth out of spec Bird C7-1
3181     3181 NONE Bird depth out of spec Bird C8-3
3179-3174     3179-3174 NONE Bird depth out of spec Bird C8-3
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL ALL Swell Noise Swell noise present affecting 5% of traces.
3410     3410 ALL Swell Noise Swell noise increasing affecting 10% of traces.


 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 10:15:53utc 04-Jan-2002