ACQUISITION REPORT Sequence-0450
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4288K450
  Preplot G01A4288
  Direction 18.0°
  SOL Date 05:43:34utc 16-May-2002
  EOL Date 08:57:20utc 16-May-2002
 Attributes:  
   Wind Force 16.0 [knots] Dir SW
   Swell Height 2.0 [meters] Dir W
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 83.0 57.0 [meters]
   Bottomspeed  4.1 4.3 [knots]
   Featherangle sb +7.5 sb +8.2 [deg]
   Cable noise 6.3 5.59 [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)   2034 - 2035  
   SOL Dummy Record(s) 2036 - 2065 2036 - 2065 05:39:07 - 05:43:25
   FSP Start of Line 2066 2066 05:43:34
   MSP      
   LSP End of Line 3370 3370 08:57:20
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4306 - 4307  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2066 - 3370 2066 - 3370 05:43:34-08:57:20 Infill 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m, NFH 2-2 Dead    
   Recording QC Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1007mB. Low frequency strumming Str 6 channels 1841 - 1875. No swell noise.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2034 - 2463 2034 - 2463 1 1844  
  2464 - 2893 2464 - 2893 2 1845  
  2894 - 3323 2894 - 3323 1 1846  
  3324 - 4307 3324 - 4307 2 1847  
Stream 2
   Shot(s) Files Deck Reel Remark
  2034 - 2463 2034 - 2463 3 1844  
  2464 - 2893 2464 - 2893 3 1845  
  2894 - 3323 2894 - 3323 4 1846  
  3324 - 4307 3324 - 4307 3 1847  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1633, 2782 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 109, 337, 349, 791, 1553 Spiking Trace(s)  
ALL     ALL 1857 Noisy Trace(s)  
ALL     ALL- 377, 744, 2764 Killed traces  
2722-2729     2722-2729 2259-2275 Bird depth out of spec Bird C7-4, max depth 9.5m
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1316 PS Test Fails PS test
2218     2218 ALL External header lost External Header Corrupted
2352     2352 ALL Gun timing error Gun 5-2 error (ms) : -1.6
2668-2684     2668-2684 1-5 Bird depth out of spec Bird C1-1 occasionally deep, 8.0 - 8.4m
2730-2745     2730-2745 2627-2643 Bird depth out of spec Bird C8-4
3050-3066     3050-3066 2675-2691 Bird depth out of spec Bird C8-6
3175     3175 ALL Gun timing error Gun 2-1 error (ms) : -1.7
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 09:16:47utc 16-May-2002