ACQUISITION REPORT Sequence-0380
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4064A380
  Preplot G01A4064
  Direction 198.0°
  SOL Date 07:11:02utc 25-Apr-2002
  EOL Date 09:13:47utc 25-Apr-2002
 Attributes:  
   Wind Force 0.0 [knots] $(wind_dir)
   Swell Height 0.0 [meters] $(swell_dir)
   Propellor rpm 122 [avg]  
   Propellor pitch 99 [avg]  
       
  SOL EOL  
   Waterdepth 48.0 56.0 [meters]
   Bottomspeed  4.1 4.3 [knots]
   Featherangle port -5.7 sb +1.1 [deg]
   Cable noise 4.73 9.21 [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
0 STBD -345.0 25.0 -6.0 0.0 0 0
0 STBD -345.0 -25.0 -6.0 0.0 0 0

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)   4208 - 4205  
   SOL Dummy Record(s) 4204 - 4177 4204 - 4177 07:07:06 - 07:10:54
   FSP Start of Line 4176 4176 07:11:02
   MSP      
   LSP End of Line 3295 3295 09:13:47
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1436 - 1435  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4176 - 3310 4176 - 3310 07:11:02-09:11:28 Prime 16 Valid Line Aborted for close rig pass
    3309 - 3295 3309 - 3295 09:11:38-09:13:47 Prime 16 Scratched Scratched due to Rig Turn
 Remarks:      
   Navigation Streamer depth 7m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1015 mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  4208 - 3779 4208 - 3779 2 1617  
  3778 - 3349 3778 - 3349 1 1618  
  3348 - 1435 3348 - 1435 2 1619  
Stream 2
   Shot(s) Files Deck Reel Remark
  4208 - 3779 4208 - 3779 3 1617  
  3778 - 3349 3778 - 3349 3 1618  
  3348 - 1435 3348 - 1435 4 1619  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476, 1633, 2782 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1553, 2265 Spiking Trace(s)  
ALL     ALL 1857, 2827, 2871 Noisy Trace(s)  
ALL     ALL- 744 Killed traces  
3314-3295     3314-3295 1-42 Turn Noise Noise due to Rig turn
3314-3295     3314-3295 369-411 Turn Noise Noise due to Rig turn
3314-3295     3314-3295 737-779 Turn Noise Noise due to Rig turn
3314-3295     3314-3295 1105-1147 Turn Noise Noise due to Rig turn
3314-3295     3314-3295 1473-1515 Turn Noise Noise due to Rig turn
3314-3295     3314-3295 1841-1883 Turn Noise Noise due to Rig turn
3314-3295     3314-3295 2209-2251 Turn Noise Noise due to Rig turn
3314-3295     3314-3295 2577-2619 Turn Noise Noise due to Rig turn
Warning
Shot(s)     File(s) Trace(s) Type Remark
Comment
Shot(s)     File(s) Trace(s) Type Remark
3349     3349 ALL Rig Turn Beginning Starboard turn to avoid Rig


 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 12:04:43utc 25-Apr-2002