ACQUISITION REPORT Sequence-0270
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1008B270
  Preplot G01A1008
  Direction 18.0°
  SOL Date 03:28:33utc 13-Feb-2002
  EOL Date 03:51:58utc 13-Feb-2002
 Attributes:  
   Wind Force 16.0 [knots] Dir NE
   Swell Height 2.5 [meters] Dir ESE
   Propellor rpm 122 [avg]  
   Propellor pitch 97 [avg]  
       
  SOL EOL  
   Waterdepth 15.0 15.0 [meters]
   Bottomspeed  4.1 4.1 [knots]
   Featherangle 0.0 0.0 [deg]
   Cable noise 13.8 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 -520.0 350.0 -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)   1745 - 1746  
   SOL Dummy Record(s)      
   FSP Start of Line 1750 1750 03:28:33
   MSP      
   LSP End of Line 1907 1907 03:51:58
   EOL Dummy Record(s)      
   EOL Noise Record(s)      
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1750 - 1907 1750 - 1907 03:28:33-03:51:58 Infill 0 Scratched N T B P
 Remarks:      
   Navigation Streamer depth at 7.0m. Line aborted N. T. B. P.    
   Recording QC NTBP    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1745 - 1907 1745 - 1907 1 1090 N T B P
Stream 2
   Shot(s) Files Deck Reel Remark
  1745 - 1907 1745 - 1907 3 1090 N T B P

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2662 Killed traces  
ALL     ALL 1476 Weak Trace(s) Trace signal less than -3dB of nominal value
ALL     ALL 1657, 2307, 2780 Spiking Trace(s)  
ALL     ALL 1495 Noisy Trace(s)  
1797     1797 ALL Gun timing error Gun 3-1 error (ms) : -2.2
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-20, 22-24, 369-385, 387, 389-390, 737-753, 755, 758, 760, 763-764, 1105-1113, 1473-1475, 1477-1489, 1841-1870, 1872, 1875, 2209-2243, 2245-2246, 2248-2251, 2270, 2577-2593, 2601-2610, 2612, 2614-2622, 2624-2625, 2627-2630, 2633 Slope alarm > 5% of total line
ALL     ALL 2034 Crossfeed Fails crossfeed test
1751-1906     1751-1906 ALL Slope overload  
1801     1801 ALL Gun timing error Gun 3-1 error (ms) : -2.0
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 05:32:25utc 13-Feb-2002