ACQUISITION REPORT Sequence-0177
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1920C177
  Preplot G01A1920
  Direction 198.0°
  SOL Date 21:50:45utc 04-Jan-2002
  EOL Date 02:17:33utc 05-Jan-2002
 Attributes:  
   Wind Force 5.0 [knots] Dir SW
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 39.0 47.0 [meters]
   Bottomspeed  4.5 4.5 [knots]
   Featherangle port -5.9 sb +2.9 [deg]
   Cable noise 3.3 5.5 [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)      
   SOL Dummy Record(s) 2857 - 2840 2857 - 2840 21:48:07 - 21:50:36
   FSP Start of Line 2839 2839 21:50:45
   MSP 1990    
   LSP End of Line 1099 1099 02:17:33
   EOL Dummy Record(s) 1098 - 1098 1098 - 1098 02:17:41 - 02:17:41
   EOL Noise Record(s)   1098 - 1098  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2839 - 2080 2839 - 2080 21:50:45-23:45:00 Reshoot 16 Valid  
    2079 - 2025 2079 - 2025 23:45:09-23:53:45 Reshoot 0 Scratched Gun airleak on array 6
    2024 - 1556   -    -  Reshoot 0 Scratched No data recorded - d/t gun air leak
    1555 - 1546 1555 - 1546 01:13:35-01:15:07 Reshoot 0 Scratched Recording started - guns tuning in
    1545 - 1099 1545 - 1099 01:15:17-02:17:33 Reshoot 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m, No SOL noise record    
   Recording QC ### SP 2079-1546 NTBP D/T GUN AIR LEAK ARRAY6 ### SOL noise lost - estimated at 3.3µb. Bird 5-14 bad d/t. Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1015mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. Tailbouy tugging noise present on all records.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2857 - 2428 2857 - 2428 1 729  
  2427 - 1529 2427 - 1529 2 730  
  1528 - 1099 1528 - 1099 2 731  
  1098 - 1098 1098 - 1098 1 732 noise record only
Stream 2
   Shot(s) Files Deck Reel Remark
  2857 - 2428 2857 - 2428 3 729  
  2427 - 1529 2427 - 1529 4 730  
  1528 - 1099 1528 - 1099 3 731  
  1098 - 1098 1098 - 1098 4 732 noise record only

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1255, 1853 Killed traces  
ALL     ALL 1159, 2871 Noisy Traces  
ALL     ALL 1657, 2307, 2731 Spiking traces  
2794-2788     2794-2788 NONE Bird depth out of spec Bird C1-5
2779-2778     2779-2778 NONE Bird depth out of spec Bird C1-6
2773     2773 NONE Bird depth out of spec Bird C1-6
2741-2740     2741-2740 NONE Bird depth out of spec Bird C2-4
2194     2194 ALL Gun autofire Gun 6-4 at 110 ms after aimpoint
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-12, 369-378, 737-749, 751-752, 1105-1113, 1126, 1473, 2209-2220, 2223, 2577-2578, 2585 Slope alarm > 5% of total line
ALL     ALL 2034 Fails Crossfeed  
2797-2795     2797-2795 NONE Bird depth out of spec Bird C1-5
2787-2782     2787-2782 NONE Bird depth out of spec Bird C1-5
2782-2780     2782-2780 NONE Bird depth out of spec Bird C1-6
2777-2774     2777-2774 NONE Bird depth out of spec Bird C1-6
2772-2768     2772-2768 NONE Bird depth out of spec Bird C1-6
2764-2753     2764-2753 NONE Bird depth out of spec Bird C1-7
2745-2737     2745-2737 NONE Bird depth out of spec Bird C1-8
2743-2742     2743-2742 NONE Bird depth out of spec Bird C2-4
2740-2731     2740-2731 NONE Bird depth out of spec Bird C2-5
2739-2736     2739-2736 NONE Bird depth out of spec Bird C2-4
2728     2728 NONE Bird depth out of spec Bird C1-8
2724     2724 NONE Bird depth out of spec Bird C1-5
2707-2699     2707-2699 NONE Bird depth out of spec Bird C7-4
2707-2698     2707-2698 NONE Bird depth out of spec Bird C8-4
2699-2698     2699-2698 NONE Bird depth out of spec Bird C7-5
2698-2692     2698-2692 NONE Bird depth out of spec Bird C8-5
2647     2647 NONE Bird depth out of spec Bird C7-9
2618-2617     2618-2617 NONE Bird depth out of spec Bird C7-1
2615     2615 NONE Bird depth out of spec Bird C7-1
2612-2597     2612-2597 NONE Bird depth out of spec Bird C7-1
2561-2544     2561-2544 NONE Bird depth out of spec Bird C7-1
2555     2555 NONE Bird depth out of spec Bird C8-1
2476     2476 NONE Bird depth out of spec Bird C7-1
2474     2474 NONE Bird depth out of spec Bird C7-1
2472-2469     2472-2469 NONE Bird depth out of spec Bird C7-1
2467     2467 NONE Bird depth out of spec Bird C7-1
2465     2465 NONE Bird depth out of spec Bird C7-1
2463-2460     2463-2460 NONE Bird depth out of spec Bird C7-1
2434     2434 NONE Bird depth out of spec Bird C7-1
2422-2420     2422-2420 NONE Bird depth out of spec Bird C7-1
2381-2371     2381-2371 NONE Bird depth out of spec Bird C7-1
2368     2368 NONE Bird depth out of spec Bird C7-1
2366-2365     2366-2365 NONE Bird depth out of spec Bird C7-1
2345     2345 NONE Bird depth out of spec Bird C7-1
2343-2342     2343-2342 NONE Bird depth out of spec Bird C7-1
2340     2340 NONE Bird depth out of spec Bird C7-1
2338     2338 NONE Bird depth out of spec Bird C7-1
2292     2292 NONE Bird depth out of spec Bird C7-1
2274     2274 NONE Bird depth out of spec Bird C7-1
2271-2270     2271-2270 NONE Bird depth out of spec Bird C7-1
2268     2268 NONE Bird depth out of spec Bird C7-1
2247     2247 NONE Bird depth out of spec Bird C7-1
2237     2237 NONE Bird depth out of spec Bird C7-1
2148-2145     2148-2145 NONE Bird depth out of spec Bird C7-1
2143-2142     2143-2142 NONE Bird depth out of spec Bird C7-1
2140-2136     2140-2136 NONE Bird depth out of spec Bird C7-1
2080     2080 ALL LGSP - PART 1 Last Good Shotpoint of first segment
2025     2025 ALL RECORDING HALTED Recording halted
1555     1555 ALL RECORDING RESTARTED Recording re-started
1545     1545 NONE FGSP - part2 First good shotpoint of second segment
1449     1449 NONE Bird depth out of spec Bird C7-1
1370     1370 NONE Bird depth out of spec Bird C7-1
1103     1103 NONE Bird depth out of spec Bird C7-1
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 07:18:34utc 05-Jan-2002