ACQUISITION REPORT Sequence-0486
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4896J486
  Preplot G01A4896
  Direction 0.0°
  SOL Date 03:20:49utc 24-Jun-2002
  EOL Date 03:28:56utc 24-Jun-2002
 Attributes:  
   Wind Force 16.0 [knots] Dir WNW
   Swell Height 2.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 88 [avg]  
       
  SOL EOL  
   Waterdepth 483.0 483.0 [meters]
   Bottomspeed  5.1 5.1 [knots]
   Featherangle sb +8.0 0.0 [deg]
   Cable noise 9.5 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 -520.0 250.0 -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)      
   SOL Dummy Record(s) 2580 - 2571 2580 - 2571 03:19:37 - 03:20:42
   FSP Start of Line 2570 2570 03:20:49
   MSP      
   LSP End of Line 2502 2502 03:28:56
   EOL Dummy Record(s)      
   EOL Noise Record(s)      
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2570 - 2519 2570 - 2519 03:20:49-03:26:55 Infill 0 Scratched Line segment too short - line aborted d/t whale
    2518 - 2502 2518 - 2502 03:27:02-03:28:56 Infill 0 Scratched Guns not fired d/t whale sighting.
                  
 Remarks:      
   Navigation Streamer depth 7mtr    
   Recording QC ### ALL DATA SCRATCHED D/T WHALE SIGHTING - SEGMENT TOO SHORT TO KEEP ### Frontsheet Set 5. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1014mB. Six streamer line.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2582 - 2501 2582 - 2501 2 1969  
Stream 2
   Shot(s) Files Deck Reel Remark
  2582 - 2501 2582 - 2501 4 1969  
 
            
             

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
Warning
Shot(s)     File(s) Trace(s) Type Remark
Comment
Shot(s)     File(s) Trace(s) Type Remark
2519     2519 ALL Information 3:36 LSP guns fired
2502     2502 ALL Information 3:28 LSP recorded
2453       ALL Information 3:34 Line aborted d/t whales


 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 14:35:56utc 24-Jun-2002