ACQUISITION REPORT Sequence-0136
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3552J136
  Preplot G01A3552
  Direction 198.0°
  SOL Date 07:38:07utc 21-Dec-2001
  EOL Date 10:30:59utc 21-Dec-2001
 Attributes:  
   Wind Force 10.0 [knots] Dir WSW
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 46.0 53.0 [meters]
   Bottomspeed  4.7 5.2 [knots]
   Featherangle port -0.7 port -5.7 [deg]
   Cable noise 6.44 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)   4129 - 4128  
   SOL Dummy Record(s) 4127 - 4098 4127 - 4098 07:34:10 - 07:37:59
   FSP Start of Line 4097 4097 07:38:07
   MSP      
   LSP End of Line 2840 2840 10:30:59
   EOL Dummy Record(s)      
   EOL Noise Record(s)      
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4097 - 2840 4097 - 2840 07:38:07-10:30:59 Infill 16 Valid Line stopped at SP 2840 dt turning, LGSP SP 2840
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1012mB. Str7 Bird 1 mask on External Header, occasionally deep 7.8 - 8.1m. No EOL noise dt stop recording.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  4129 - 3700 4129 - 3700 1 581  
  3699 - 3270 3699 - 3270 2 582  
  3269 - 2840 3269 - 2840 1 583  
Stream 2
   Shot(s) Files Deck Reel Remark
  4129 - 3700 4129 - 3700 3 581  
  3699 - 3270 3699 - 3270 4 582  
  3269 - 2840 3269 - 2840 3 583  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1657, 2307, 2731 Spiking Trace(s)  
ALL     ALL 2871 Noisy Trace(s)  
3531     3531 ALL Gun timing error Gun 1-2 error (ms) : -2.0
3416     3416 ALL Gun timing error Gun 6-2 error (ms) : 3.0
3342     3342 ALL Gun timing error Gun 6-2 error (ms) : 2.1
3316     3316 ALL Gun timing error Gun 6-2 error (ms) : 2.0
3232     3232 ALL Gun timing error Gun 6-2 error (ms) : 2.7
3170     3170 ALL Gun timing error Gun 6-2 error (ms) : 2.0
3096     3096 ALL Gun timing error Gun 6-2 error (ms) : 2.0
3062     3062 ALL Gun timing error Gun 6-2 error (ms) : 2.2
3056     3056 ALL Gun timing error Gun 6-2 error (ms) : 2.8
3036     3036 ALL Gun timing error Gun 6-2 error (ms) : 2.8
3002     3002 ALL Gun timing error Gun 6-2 error (ms) : 2.6
2968     2968 ALL Gun timing error Gun 6-2 error (ms) : 2.2
2928     2928 ALL Gun timing error Gun 6-2 error (ms) : 2.3
2922     2922 ALL Gun timing error Gun 6-2 error (ms) : 2.2
2890-2840     2890-2840 1-110 Streamer noise Front third of cables noisy dt turns.
2890-2840     2890-2840 369-479 Streamer noise Front third of cables noisy dt turns.
2890-2840     2890-2840 737-847 Streamer noise Front third of cables noisy dt turns.
2890-2840     2890-2840 1105-1215 Streamer noise Front third of cables noisy dt turns.
2890-2840     2890-2840 1473-1583 Streamer noise Front third of cables noisy dt turns.
2890-2840     2890-2840 1841-1951 Streamer noise Front third of cables noisy dt turns.
2890-2840     2890-2840 2209-2319 Streamer noise Front third of cables noisy dt turns.
2890-2840     2890-2840 2577-2687 Streamer noise Front third of cables noisy dt turns.
2884     2884 ALL Gun timing error Gun 6-2 error (ms) : 2.1
2868     2868 ALL Gun timing error Gun 6-2 error (ms) : 2.4
2840     2840 ALL Gun timing error Gun 6-2 error (ms) : 2.0
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1599, 2034   Fail crossfeed test
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1 occasional deep 7.9 m - 8.2 m
ALL     ALL 1-14, 16, 20, 369-381, 383, 737-753, 755, 758, 760, 764, 1105-1113, 1122-1135, 1137-1138, 1147, 1484, 1489, 1499, 1841-1853, 1855-1856, 2209-2220, 2224-2225, 2577, 2585-2588 Slope alarm > 5% of total line
3860     3860 ALL Gun timing error Gun 6-2 error (ms) : 1.7
3834     3834 ALL Gun timing error Gun 6-2 error (ms) : -1.9
3735     3735 ALL Gun timing error Gun 1-2 error (ms) : -1.6
3498     3498 ALL Gun timing error Gun 6-2 error (ms) : 1.9
3497     3497 ALL Gun timing error Gun 1-2 error (ms) : -1.6
3460     3460 ALL Gun timing error Gun 6-2 error (ms) : 1.6
3334     3334 ALL Gun timing error Gun 6-2 error (ms) : 1.7
3298     3298 ALL Gun timing error Gun 6-2 error (ms) : -1.7
3202     3202 ALL Gun timing error Gun 6-2 error (ms) : 1.7
3024     3024 ALL Gun timing error Gun 6-2 error (ms) : -1.6
3006     3006 ALL Gun timing error Gun 6-2 error (ms) : 1.9
2973     2973 2577-2581 Bird depth out of spec Bird C8-1
2911     2911 ALL Gun timing error Gun 1-2 error (ms) : -1.7
2902     2902 ALL Gun timing error Gun 6-2 error (ms) : 1.9
2896-2879     2896-2879 2577-2581 Bird depth out of spec Bird C8-1
2877-2870     2877-2870 2577-2581 Bird depth out of spec Bird C8-1
2862-2858     2862-2858 2577-2581 Bird depth out of spec Bird C8-1
2858     2858 ALL Gun timing error Gun 6-2 error (ms) : 1.7
2854     2854 ALL Gun timing error Gun 6-2 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 12:34:37utc 21-Dec-2001