ACQUISITION REPORT Sequence-0083
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2880J083
  Preplot G01A2880
  Direction 18.0°
  SOL Date 02:13:51utc 27-Nov-2001
  EOL Date 05:35:26utc 27-Nov-2001
 Attributes:  
   Wind Force 15.0 [knots] Dir SW
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 90 [avg]  
       
  SOL EOL  
   Waterdepth 55.0 44.8 [meters]
   Bottomspeed  5.1 4.9 [knots]
   Featherangle sb +4.6 sb +1.3 [deg]
   Cable noise 5.9 5.09 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]

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)   2007 - 2008  
   SOL Dummy Record(s) 2009 - 2018 2009 - 2018 02:12:40 - 02:13:44
   FSP Start of Line 2019 2019 02:13:51
   MSP      
   LSP End of Line 3694 3694 05:35:26
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3695 - 3695  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2019 - 3662 2019 - 3662 02:13:51-05:31:37 Infill 16 Valid LGSP # 3662 d/t whale sighting
    3663 - 3694 3663 - 3694 05:31:44-05:35:26 Infill 0 Scratched d/t whale sighting (no gun firing)
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1020mB. Str 8 Bird 1 mask on External Header, constantly deep, 8.1m. Lost comms with Bird 9 streamer 2. LGSP 3662 d/t whale sighting    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2007 - 2436 2007 - 2436 2 320  
  2437 - 2866 2437 - 2866 1 321  
  2867 - 3296 2867 - 3296 2 322  
  3297 - 3695 3297 - 3695 1 323 LGSP # 3662 d/t whale sighting
Stream 2
   Shot(s) Files Deck Reel Remark
  2007 - 2436 2007 - 2436 3 320  
  2437 - 2866 2437 - 2866 4 321  
  2867 - 3296 2867 - 3296 3 322  
  3297 - 3695 3297 - 3695 3 323 LGSP # 3662 d/t whale sighting

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 304, 414-415, 1127 Noisy Trace(s)  
ALL     ALL 2220 Killed trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1191 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 2301 Fails Crossfeed test  
ALL     ALL 1-9, 12, 369-374, 376-377, 737-749, 751-752, 1105-1113, 1126, 1130, 1841, 1845 Slope alarm > 5% of total line
2683-2684     2683-2684 NONE Bird depth out of spec Bird C1-5
2686     2686 NONE Bird depth out of spec Bird C1-5
2753-2761     2753-2761 NONE Bird depth out of spec Bird C2-3
2758     2758 NONE Bird depth out of spec Bird C2-4
2800     2800 NONE Bird depth out of spec Bird C1-7
2837     2837 NONE Bird depth out of spec Bird C1-4
3431-3438     3431-3438 NONE Bird depth out of spec Bird C1-5
3440-3450     3440-3450 NONE Bird depth out of spec Bird C7-3
3452-3453     3452-3453 NONE Bird depth out of spec Bird C7-3
3455     3455 NONE Bird depth out of spec Bird C7-3
3457-3459     3457-3459 NONE Bird depth out of spec Bird C7-3
3462-3487     3462-3487 NONE Bird depth out of spec Bird C7-3
3597-3613     3597-3613 NONE Bird depth out of spec Bird C7-3
3629-3630     3629-3630 NONE Bird depth out of spec Bird C7-3
3632-3641     3632-3641 NONE Bird depth out of spec Bird C7-3
Comment
Shot(s)     File(s) Trace(s) Type Remark
3662     3662 ALL LGSP d/t whale sighting


 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 11:29:57utc 27-Nov-2001