ACQUISITION REPORT Sequence-0480
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4720L480
  Preplot G01A4720
  Direction 18.0°
  SOL Date 12:27:34utc 19-Jun-2002
  EOL Date 16:29:07utc 19-Jun-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir SE
   Swell Height 2.0 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 308.0 79.0 [meters]
   Bottomspeed  4.7 5.0 [knots]
   Featherangle sb +7.0 port -2.6 [deg]
   Cable noise 8.6 5.9 [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)   1810 - 1811  
   SOL Dummy Record(s) 1801 - 1821 1801 - 1821 12:24:53 - 12:27:26
   FSP Start of Line 1822 1822 12:27:34
   MSP      
   LSP End of Line 3705 3705 16:29:07
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3706 - 3707  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1822 - 3705 1822 - 3705 12:27:34-16:29:07 Infill 12 Valid Line stopped early d/t not gathering anymore valid coverage.
 Remarks:      
   Navigation Streamer depth 7mtr    
   Recording QC Frontsheet Set 5. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1028mB. Six streamer line.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1810 - 2348 1810 - 2348 1 1954  
  2349 - 2898 2349 - 2898 2 1955  
  2899 - 3448 2899 - 3448 1 1956  
  3449 - 3707 3449 - 3707 2 1957  
Stream 2
   Shot(s) Files Deck Reel Remark
  1810 - 2348 1810 - 2348 3 1954  
  2349 - 2898 2349 - 2898 4 1955  
  2899 - 3448 2899 - 3448 3 1956  
  3449 - 3707 3449 - 3707 4 1957  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 739, 1127, 2134 Noisy Trace(s)  
2181-2190     2181-2190 339-355 Bird depth out of spec Bird C1-16 deep at max 9.2mtr
2201-2209     2201-2209 339-355 Bird depth out of spec Bird C1-16 shallow at 4mtr
2743     2743 ALL Gun timing error Gun 2-1 error (ms) : -2.1
3215     3215 ALL Gun timing error Gun 2-1 error (ms) : -2.2
3699     3699 ALL Gun timing error Gun 2-1 error (ms) : -2.2
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL ALL Swell Noise Occ slight swell noise seen
ALL     ALL 1-7, 369-370, 376, 1473-1482, 1484, 1841-1852, 1854-1857 Slope alarm > 5% of total line
1849     1849 ALL Gun timing error Gun 2-1 error (ms) : -2.0
1883     1883 ALL Gun timing error Gun 2-1 error (ms) : -1.8
1887     1887 ALL Gun timing error Gun 2-1 error (ms) : -1.7
1919     1919 ALL Gun timing error Gun 2-1 error (ms) : -1.7
2101     2101 ALL Gun timing error Gun 2-1 error (ms) : -1.8
2189     2189 ALL Gun timing error Gun 2-1 error (ms) : -1.9
2373     2373 ALL Gun timing error Gun 2-1 error (ms) : -1.9
2391     2391 ALL Gun timing error Gun 2-1 error (ms) : -1.7
2519     2519 ALL Gun timing error Gun 2-1 error (ms) : -1.7
2562     2562 ALL Gun timing error Gun 5-4 error (ms) : 1.1
2564     2564 ALL Gun timing error Gun 5-4 error (ms) : 1.1
2575     2575 ALL Gun timing error Gun 2-1 error (ms) : -1.8
2600     2600 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2620     2620 ALL Gun timing error Gun 5-4 error (ms) : 1.1
2623     2623 ALL Gun timing error Gun 2-1 error (ms) : -2.0
2720     2720 ALL Gun timing error Gun 5-4 error (ms) : 1.1
2822     2822 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2823     2823 ALL Gun timing error Gun 2-1 error (ms) : -1.7
2859     2859 ALL Gun timing error Gun 2-1 error (ms) : -1.6
2995     2995 ALL Gun timing error Gun 2-1 error (ms) : -1.8
2999     2999 ALL Gun timing error Gun 2-1 error (ms) : -1.6
3011     3011 ALL Gun timing error Gun 2-1 error (ms) : -2.0
3095     3095 ALL Gun timing error Gun 2-1 error (ms) : -1.6
3115-3143     3115-3143 NONE Bird depth out of spec Bird C1-4, 1-5 , 1-6 running deep max 9.2 mtrs
3135     3135 ALL Gun timing error Gun 2-1 error (ms) : -1.6
3199     3199 ALL Gun timing error Gun 2-1 error (ms) : -1.6
3207     3207 ALL Gun timing error Gun 2-1 error (ms) : -1.6
3231     3231 ALL Gun timing error Gun 2-1 error (ms) : -1.7
3234     3234 ALL Gun timing error Gun 5-4 error (ms) : 1.1
3303     3303 ALL Gun timing error Gun 2-1 error (ms) : -2.0
3311     3311 ALL Gun timing error Gun 2-1 error (ms) : -1.6
3399     3399 ALL Gun timing error Gun 2-1 error (ms) : -1.9
3507     3507 ALL Gun timing error Gun 2-1 error (ms) : -1.6
3559     3559 ALL Gun timing error Gun 2-1 error (ms) : -2.0
3603     3603 ALL Gun timing error Gun 2-1 error (ms) : -1.6
3631     3631 ALL Gun timing error Gun 2-1 error (ms) : -1.7
Comment
Shot(s)     File(s) Trace(s) Type Remark
1801     1801 ALL Line Information First Dummy SP 1801


 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 17:01:21utc 19-Jun-2002