ACQUISITION REPORT Sequence-0463
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4688A463
  Preplot G01A4688
  Direction 18.0°
  SOL Date 03:47:27utc 31-May-2002
  EOL Date 06:16:35utc 31-May-2002
 Attributes:  
   Wind Force 6.0 [knots] Dir W
   Swell Height 2.5 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 255.0 112.0 [meters]
   Bottomspeed  4.5 5.8 [knots]
   Featherangle port -4.0 port -4.4 [deg]
   Cable noise 5.3 5.8 [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)      
   SOL Dummy Record(s) 1799 - 1808 1799 - 1808 03:46:03 - 03:47:19
   FSP Start of Line 1809 1809 03:47:27
   MSP      
   LSP End of Line 2935 2935 06:16:35
   EOL Dummy Record(s)      
   EOL Noise Record(s)      
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1809 - 2917 1809 - 2917 03:47:27-06:14:17 Prime 16 Valid  
    2918 - 2935 2918 - 2935 06:14:20-06:16:35 Prime 0 Scratched No guns fired d/t whale sighting
 Remarks:      
   Navigation Streamer depth at 7m    
   Recording QC ### LGSP 2917 D/T SHUTDOWN CAUSED BY WHALE ### Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1024mB, pressure now 10mB. Low frequency strumming Str 6 channels 1841 - 1875.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1797 - 2226 1797 - 2226 1 1879  
  2227 - 2656 2227 - 2656 2 1880  
  2657 - 4324 2657 - 4324 1 1881  
Stream 2
   Shot(s) Files Deck Reel Remark
  1797 - 2226 1797 - 2226 3 1879  
  2227 - 2656 2227 - 2656 4 1880  
  2657 - 4324 2657 - 4324 3 1881  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 353 Killed traces  
ALL     ALL- 377 Killed traces  
ALL     ALL- 744 Killed traces  
ALL     ALL 1-5 Bird depth out of spec Bird C1-1 running deep (~10m)
ALL     ALL 1857 Noisy Trace(s)  
2222-2238     0-0 51-67 Bird depth out of spec Bird C1-4
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 51-67 Bird depth out of spec Bird C1-4 intermittantly running shallow (~5.6m)
ALL     ALL 587-603 Bird depth out of spec Bird C2-11 intermittantly poor depth keeping
ALL     ALL 5-19 Bird depth out of spec Bird C1-2 very occasionally deep (~8.2m)
ALL     ALL 2943 Noisy Trace(s)  
1810-1857     0-0 NONE Bird depth out of spec Bird C8-17
1847     0 ALL Gun timing error Gun 2-1 error (ms) : -1.9
1856-1866     0-0 NONE Bird depth out of spec Bird C2-11
1866-1873     0-0 NONE Bird depth out of spec Bird C8-5
1896-1925     0-0 NONE Bird depth out of spec Bird C8-17
2195-2207     0-0 NONE Bird depth out of spec Bird C1-4
2219-2236     0-0 NONE Bird depth out of spec Bird C1-3
2224-2239     0-0 NONE Bird depth out of spec Bird C1-5
2229-2239     0-0 NONE Bird depth out of spec Bird C1-2
2239-2246     0-0 NONE Bird depth out of spec Bird C1-4
2321-2354     0-0 NONE Bird depth out of spec Bird C1-4
2333-2356     0-0 NONE Bird depth out of spec Bird C1-2
2356-2377     0-0 NONE Bird depth out of spec Bird C1-4
2411-2424     0-0 NONE Bird depth out of spec Bird C1-2
2436-2463     0-0 NONE Bird depth out of spec Bird C1-4
2531-2565     0-0 NONE Bird depth out of spec Bird C1-4
2599-2625     0-0 NONE Bird depth out of spec Bird C1-4
2655-2668     0-0 NONE Bird depth out of spec Bird C2-11
2799-2820     0-0 NONE Bird depth out of spec Bird C1-4
2830-2841     0-0 NONE Bird depth out of spec Bird C1-4
Comment
Shot(s)     File(s) Trace(s) Type Remark
2917     0 ALL LGSP LGSP TIME 06:14 UTC
2935       ALL LGSP LSP RECORDED TIME 06:16 UTC


 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 07:33:03utc 04-Jun-2002