ACQUISITION REPORT Sequence-0888
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170C
  Survey Type 6 STREAMER DUAL SOURCE
   
 Sequence  
  Linename 5472JFH888
  Preplot G01A5472
  Direction 85.0°
  SOL Date 04:47:34utc 03-Jul-2002
  EOL Date 05:56:02utc 03-Jul-2002
 Attributes:  
   Wind Force 16.0 [knots] Dir SW
   Swell Height 1.5 [meters] Dir SSW
   Propellor rpm 122 [avg]  
   Propellor pitch 82 [avg]  
       
  SOL EOL  
   Waterdepth 61.0 79.0 [meters]
   Bottomspeed  4.5 4.3 [knots]
   Featherangle port -7.0 port -8.5 [deg]
   Cable noise 5.1 4.7 [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 8
2 PORT -345.0 -25.0 -6.0 3542.0 3 8

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 -520.0 250.0 -7.0 4600 Nessie-3 12.5 368 0001-0368
2 STBD -520.0 150.0 -7.0 4600 Nessie-3 12.5 368 0369-0736
3 STBD -520.0 50.0 -7.0 4600 Nessie-3 12.5 368 0737-1104
4 PORT -520.0 -50.0 -7.0 4600 Nessie-3 12.5 368 1105-1472
5 PORT -520.0 -150.0 -7.0 4600 Nessie-3 12.5 368 1473-1840
6 PORT -520.0 -250.0 -7.0 4600 Nessie-3 12.5 368 1841-2208

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

Production
  Shotpoint File Time [utc]
   SOL Noise Record(s)   3282 - 3281  
   SOL Dummy Record(s) 3280 - 3251 3280 - 3251 04:43:34 - 04:47:26
   FSP Start of Line 3250 3250 04:47:34
   MSP      
   LSP End of Line 2740 2740 05:56:02
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2739 - 2738  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3250 - 2740 3250 - 2740 04:47:34-05:56:02 Infill 12 Valid  
 Remarks:      
   Navigation Streamer depth 7.0mtr. Six streamer line.    
   Recording QC Frontsheet Set 5. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1003mB. Using Six streamer. Orthogonal Line. Bird C6-11 No Comms.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3282 - 2738 3282 - 2738 1 10095  
Stream 2
   Shot(s) Files Deck Reel Remark
  3282 - 2738 3282 - 2738 4 10095  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2134, 2067 Noisy Trace(s)  
3049-3036     3049-3036 339-355 Bird depth out of spec Bird C1-16 min depth 4.5m
2837-2827     2837-2827 1891-1907 Bird depth out of spec Bird C6-4
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1127, 379, 1895 Noisy Trace(s)  
ALL     ALL 27-43 Bird depth out of spec Bird C1-3 occasionally deep 8.0 - 8.3m
3250-3048     3250-3048 339-355 Bird depth out of spec Bird C1-16
3237-3218     3237-3218 1763-1779 Bird depth out of spec Bird C5-14
3208-3186     3208-3186 1763-1779 Bird depth out of spec Bird C5-14
3195-3184     3195-3184 1963-1979 Bird depth out of spec Bird C6-7
3188     3188 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2846-2838     2846-2838 1891-1907 Bird depth out of spec Bird C6-4
2842-2818     2842-2818 1915-1931 Bird depth out of spec Bird C6-5
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 16:02:53utc 03-Jul-2002