ACQUISITION REPORT Sequence-0332
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4624A332
  Preplot G01A4624
  Direction 18.0°
  SOL Date 09:24:42utc 26-Mar-2002
  EOL Date 15:15:01utc 26-Mar-2002
 Attributes:  
   Wind Force 6.0 [knots] Dir S
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 221.0 57.0 [meters]
   Bottomspeed  4.5 3.7 [knots]
   Featherangle port -0.5 port -5.5 [deg]
   Cable noise 5.12 3.8 [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)   1771 - 1772  
   SOL Dummy Record(s) 1773 - 1782 1773 - 1782 09:23:22 - 09:24:34
   FSP Start of Line 1783 1783 09:24:42
   MSP      
   LSP End of Line 4319 4319 15:15:01
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4320 - 4321  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1783 - 4319 1783 - 4319 09:24:42-15:15:01 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1018mB. 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
  1771 - 2200 1771 - 2200 1 1368  
  2201 - 2630 2201 - 2630 2 1369  
  2631 - 3060 2631 - 3060 1 1370  
  3061 - 3490 3061 - 3490 2 1371  
  3491 - 3920 3491 - 3920 1 1372  
  3921 - 4321 3921 - 4321 2 1373  
Stream 2
   Shot(s) Files Deck Reel Remark
  1771 - 2200 1771 - 2200 3 1368  
  2201 - 2630 2201 - 2630 4 1369  
  2631 - 3060 2631 - 3060 3 1370  
  3061 - 3490 3061 - 3490 4 1371  
  3491 - 3920 3491 - 3920 3 1372  
  3921 - 4321 3921 - 4321 4 1373  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1159 Noisy Trace(s)  
2867-2886     2867-2886 51-67 Streamer depth Bird 1-4 deep max 9.6 mtrs
2871-2892     2871-2892 419-459 Streamer depth Birds 2-4,2-5 deep max 10 mtrs
2903-2918     2903-2918 419-435 Streamer depth Bird 2-4 shallow min 4.6 mtrs
3443-3456     3443-3456 2627-2643 Streamer depth Bird 8-4 deep max 9.7 mtrs
3446-3458     3446-3458 2651-2667 Streamer depth Bird 8-5 deep max 9.5 mtrs
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-14, 16-17, 369-383, 390, 393, 737-758, 760, 763-764, 1105-1106, 1109-1110, 1112-1113, 1121, 1123, 1125-1126, 1129-1135, 1489, 1841-1853, 1855-1856, 1860, 1873, 2209-2220, 2222-2226, 2229, 2577-2578, 2582, 2584-2589, 2591, 2602 Slope alarm > 5% of total line
ALL     ALL 1633, 2782 Weak Trace(s) Trace signal less than -6dB of nominal value
2867-2890     2867-2890 NONE Streamer depth Bird 1-5 deep max 9.1 mtrs
2873-2890     2873-2890 NONE Streamer depth Bird 1-6 deep max 9.2 mtrs
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 15:40:36utc 26-Mar-2002