ACQUISITION REPORT Sequence-0426
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3984K426
  Preplot G01A3984
  Direction 198.0°
  SOL Date 03:04:55utc 11-May-2002
  EOL Date 04:55:23utc 11-May-2002
 Attributes:  
   Wind Force 6.0 [knots] $(wind_dir)
   Swell Height 2.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 58.0 60.7 [meters]
   Bottomspeed  4.6 4.34 [knots]
   Featherangle sb +2.2 port -3.5 [deg]
   Cable noise 6.46 5.23 [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)   2931 - 2930  
   SOL Dummy Record(s) 2929 - 2900 2929 - 2900 03:00:59 - 03:04:47
   FSP Start of Line 2899 2899 03:04:55
   MSP      
   LSP End of Line 2062 2062 04:55:23
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1404 - 1403  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2899 - 2220 2899 - 2220 03:04:55-04:33:42 Infill 16 Valid  
    2219 - 2072 2219 - 2072 04:33:50-04:54:00 Reshoot 16 Valid  
    2071 - 2062 2071 - 2062 04:54:09-04:55:23 Infill 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m.    
   Recording QC Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1027mB. Low frequency strumming Str 6 channels 1841 - 1875. Occassional burst of swell noise present on records,approx 20 µB, affecting <5 % of traces.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2931 - 2502 2931 - 2502 1 1794  
  2501 - 2072 2501 - 2072 2 1795  
  2071 - 1403 2071 - 1403 2 1796  
Stream 2
   Shot(s) Files Deck Reel Remark
  2931 - 2502 2931 - 2502 3 1794  
  2501 - 2072 2501 - 2072 4 1795  
  2071 - 1403 2071 - 1403 4 1796  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
2831-2825     2831-2825 2627-2643 Bird depth out of spec Bird C8-4, max depth 10.2 m
2831-2806     2831-2806 2651-2667 Bird depth out of spec Bird C8-5, max depth 9.9 m
2822-2812     2822-2812 2259-2275 Bird depth out of spec Bird C7-4, max depth 10.2 m
2820-2805     2820-2805 2283-2299 Bird depth out of spec Bird C7-5, max depth 10.4 m
2814-2793     2814-2793 2675-2691 Bird depth out of spec Bird C8-6, max depth 10.4 m
2812-2805     2812-2805 2307-2323 Bird depth out of spec Bird C7-6, max depth 9.5 m
2645-2616     2645-2616 2283-2299 Bird depth out of spec Bird C7-5, max depth 9.5 m
2645-2634     2645-2634 2355-2371 Bird depth out of spec Bird C7-8, max depth 9.1 m
2644-2636     2644-2636 2637-2643 Bird depth out of spec Bird C8-4, max depth 9.9 m
2643-2627     2643-2627 2651-2667 Bird depth out of spec Bird C8-5, max depth 10.7 m
2641-2630     2641-2630 2259-2275 Bird depth out of spec Bird C7-4, max depth 9.9 m
2631-2585     2631-2585 2675-2691 Bird depth out of spec Bird C8-6, max depth 9.5 m
2623-2610     2623-2610 2331-2347 Bird depth out of spec Bird C7-7, max depth 9.5 m
2616-2590     2616-2590 2355-2371 Bird depth out of spec Bird C7-8, max depth 9.2 m
2611-2606     2611-2606 2699-2715 Bird depth out of spec Bird C8-7, max depth 9.5 m
2606-2585     2606-2585 2723-2739 Bird depth out of spec Bird C8-8, max depth 9.6 m
2596-2583     2596-2583 2379-2395 Bird depth out of spec Bird C7-9, max depth 9.7 m
2592-2584     2592-2584 2747-2763 Bird depth out of spec Bird C8-9, max depth 9.3 m
2587-2573     2587-2573 2699-2715 Bird depth out of spec Bird C8-7, max depth 9.6 m
2568-2558     2568-2558 2723-2739 Bird depth out of spec Bird C8-8, max depth 9.6 m
2479-2472     2479-2472 2651-2667 Bird depth out of spec Bird C8-5, max depth 9.5 m
2382-2371     2382-2371 2283-2299 Bird depth out of spec Bird C7-5, max depth 9.6 m
2370-2363     2370-2363 2675-2691 Bird depth out of spec Bird C8-6, max depth 9.2 m
2261-2247     2261-2247 2627-2643 Bird depth out of spec Bird C8-4, max depth 10.4m
2258-2251     2258-2251 2603-2619 Bird depth out of spec Bird C8-3, max depth 9.3m
2258-2240     2258-2240 2651-2667 Bird depth out of spec Bird C8-5 max depth 10.4m
2257-2241     2257-2241 2259-2275 Bird depth out of spec Bird C7-4, max depth 10.1m
2257-2233     2257-2233 2675-2691 Bird depth out of spec Bird C8-6 max depth 10.7m
2254-2243     2254-2243 2283-2299 Bird depth out of spec Bird C7-5, max depth 9.7m
2125-2100     2125-2100 2675-2691 Bird depth out of spec Bird C8-6, max depth 10.6m
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 744, 2764 Killed Trace(s)  
ALL     ALL 1633 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 337, 349, 791, 1553 Spiking Trace(s)  
ALL     ALL 1857 Noisy Trace(s)  
ALL     ALL 1316 Fails PS Test  
2893-2875     2893-2875 419-435 Bird depth out of spec Bird C2-4
2882-2860     2882-2860 123-139 Bird depth out of spec Bird C1-7
2859-2849     2859-2849 75-91 Bird depth out of spec Bird C1-5
2855-2836     2855-2836 99-115 Bird depth out of spec Bird C1-6
2842-2831     2842-2831 123-139 Bird depth out of spec Bird C1-7
2831-2815     2831-2815 2675-2691 Bird depth out of spec Bird C8-6
2825-2815     2825-2815 2307-2323 Bird depth out of spec Bird C7-6
2804-2796     2804-2796 2307-2323 Bird depth out of spec Bird C7-6
2800-2786     2800-2786 2699-2715 Bird depth out of spec Bird C8-7
2792-2786     2792-2786 2675-2691 Bird depth out of spec Bird C8-6
2665-2656     2665-2656 2307-2323 Bird depth out of spec Bird C7-6
2664-2650     2664-2650 2331-2347 Bird depth out of spec Bird C7-7
2663-2653     2663-2653 2379-2395 Bird depth out of spec Bird C7-9
2641-2626     2641-2626 2379-2395 Bird depth out of spec Bird C7-9
2634-2622     2634-2622 2747-2763 Bird depth out of spec Bird C8-9
2633-2617     2633-2617 2355-2371 Bird depth out of spec Bird C7-8
2626-2618     2626-2618 2651-2667 Bird depth out of spec Bird C8-5
2605-2592     2605-2592 2699-2715 Bird depth out of spec Bird C8-7
2590-2574     2590-2574 2307-2323 Bird depth out of spec Bird C7-6
2584-2571     2584-2571 2723-2739 Bird depth out of spec Bird C8-8
2546-2536     2546-2536 2723-2739 Bird depth out of spec Bird C8-8
2481-2480     2481-2480 2651-2667 Bird depth out of spec Bird C8-5
2387-2368     2387-2368 2627-2643 Bird depth out of spec Bird C8-4
2385-2365     2385-2365 2651-2667 Bird depth out of spec Bird C8-5
2383-2352     2383-2352 2355-2371 Bird depth out of spec Bird C7-8
2376-2358     2376-2358 2723-2739 Bird depth out of spec Bird C7-4
2372-2361     2372-2361 2699-2715 Bird depth out of spec Bird C8-7
2370-2355     2370-2355 2283-2299 Bird depth out of spec Bird C7-5
2370-2359     2370-2359 2307-2323 Bird depth out of spec Bird C7-6
2365-2358     2365-2358 2723-2739 Bird depth out of spec Bird C8-8
2362-2349     2362-2349 2675-2691 Bird depth out of spec Bird C8-6
2353-2343     2353-2343 2723-2739 Bird depth out of spec Bird C8-8
2313     2313 ALL Gun timing error Gun 2-1 error (ms) : -2.0
2277-2258     2277-2258 2675-2691 Bird depth out of spec Bird C8-6
2253-2239     2253-2239 2307-2323 Bird depth out of spec Bird C7-6
2250-2235     2250-2235 2699-2715 Bird depth out of spec Bird C8-7
2135-2126     2135-2126 2675-2691 Bird depth out of spec Bird C8-6
2121-2093     2121-2093 2699-2715 Bird depth out of spec Bird C8-7
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 11:20:43utc 11-May-2002