ACQUISITION REPORT Sequence-0132
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3648A132
  Preplot G01A3648
  Direction 198.0°
  SOL Date 05:29:15utc 20-Dec-2001
  EOL Date 11:00:29utc 20-Dec-2001
 Attributes:  
   Wind Force 4.0 [knots] Dir SW
   Swell Height 0.8 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 47.0 61.0 [meters]
   Bottomspeed  4.7 4.2 [knots]
   Featherangle sb +2.7 port -3.4 [deg]
   Cable noise 5.46 8.4 [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)   4153 - 4152  
   SOL Dummy Record(s) 4151 - 4122 4151 - 4122 05:25:23 - 05:29:08
   FSP Start of Line 4121 4121 05:29:15
   MSP      
   LSP End of Line 1700 1700 11:00:29
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1699 - 1698  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4121 - 1700 4121 - 1700 05:29:15-11:00:29 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1007mB. Str 7 Bird 1 mask on External Header, occasionally deep. Tailbouy tugging noise present on all streamer.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  4153 - 3724 4153 - 3724 1 563  
  3723 - 3294 3723 - 3294 2 564  
  3293 - 2864 3293 - 2864 1 565  
  2863 - 2434 2863 - 2434 2 566  
  2433 - 2004 2433 - 2004 1 567  
  2003 - 1699 2003 - 1699 2 568  
Stream 2
   Shot(s) Files Deck Reel Remark
  4153 - 3724 4153 - 3724 3 563  
  3723 - 3294 3723 - 3294 4 564  
  3293 - 2864 3293 - 2864 3 565  
  2863 - 2434 2863 - 2434 4 566  
  2433 - 2004 2433 - 2004 3 567  
  2003 - 1699 2003 - 1699 4 568  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1657, 2307, 2731 Spiking Trace(s)  
ALL     ALL 2307, 2731 Noisy Trace(s)  
3741     3741 ALL Gun timing error Gun 1-2 error (ms) : -2.0
2052     2052 ALL Gun not fired Gun 5-1. Source volume : 3282 cu.in.
2019     2019 ALL Gun timing error Gun 1-2 error (ms) : -2.2
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1459, 1465, 2034   Fail Crossfeed Test
ALL     ALL 1-14, 16-17, 369-381, 383, 737-753, 755-756, 758, 760, 763-764, 1105-1116, 1121-1138, 1147, 1473, 1483-1485, 1487, 1489, 1499, 1841-1853, 1855-1856, 1860, 2209-2220, 2222-2225, 2577, 2585-2588 Slope alarm > 5% of total line
4089     4089 2577-2581 Bird depth out of spec Bird C8-1
4086     4086 2577-2581 Bird depth out of spec Bird C8-1
3781     3781 ALL Gun timing error Gun 1-2 error (ms) : -1.6
3765     3765 ALL Gun timing error Gun 1-2 error (ms) : -1.7
3687     3687 2235-2251 Bird depth out of spec Bird C7-3
3529     3529 ALL Gun timing error Gun 1-2 error (ms) : -1.6
3524-3523     3524-3523 27-43 Bird depth out of spec Bird C1-3
3473-3225     3473-3225 369-373 Bird depth out of spec Bird C2-1 occasional shallow 5.9 m - 5.6 m
3164     3164 27-43 Bird depth out of spec Bird C1-3
2885     2885 ALL Gun timing error Gun 1-2 error (ms) : -1.6
2045     2045 ALL Navigation data No navigation data on external header
2007     2007 ALL Gun timing error Gun 1-2 error (ms) : -1.7
Comment
Shot(s)     File(s) Trace(s) Type Remark
2196-1700     2196-1700 ALL Swell noise Swell noise affecting < 5% of traces, 6 uB ambient noise


 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 11:22:30utc 20-Dec-2001