ACQUISITION REPORT Sequence-0322
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4752A322
  Preplot G01A4752
  Direction 198.0°
  SOL Date 04:41:48utc 19-Mar-2002
  EOL Date 07:52:56utc 19-Mar-2002
 Attributes:  
   Wind Force 8.0 [knots] Dir SW
   Swell Height 2.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 95 [avg]  
       
  SOL EOL  
   Waterdepth 122.0 226.0 [meters]
   Bottomspeed  4.0 4.5 [knots]
   Featherangle sb +2.9 port -3.4 [deg]
   Cable noise 15.94 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)   3112 - 3111  
   SOL Dummy Record(s) 3110 - 3101 3110 - 3101 04:40:15 - 04:41:39
   FSP Start of Line 3100 3100 04:41:48
   MSP      
   LSP End of Line 1714 1714 07:52:56
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1713 - 1712  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3100 - 3051 3100 - 3051 04:41:48-04:49:18 Prime 16 Scratched  
    3050 - 1714 3050 - 1714 04:49:27-07:52:56 Prime 16 Valid First good shotpoint 3050 d/t coverage.
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1015mB. Slight prop noise on all cables through out line. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP. SOL noise high due to bend in streamer.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3112 - 2683 3112 - 2683 1 1321  
  2682 - 2253 2682 - 2253 2 1322  
  2252 - 1823 2252 - 1823 1 1323  
  1822 - 1712 1822 - 1712 2 1324  
Stream 2
   Shot(s) Files Deck Reel Remark
  3112 - 2683 3112 - 2683 3 1321  
  2682 - 2253 2682 - 2253 4 1322  
  2252 - 1823 2252 - 1823 3 1323  
  1822 - 1712 1822 - 1712 3 1324  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1633 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1657, 2389, 2600, 2641 Spiking Trace(s)  
ALL     ALL 2772 Noisy Trace(s)  
ALL     ALL 820 Spiking Trace(s)  
ALL     ALL 2599 Killed trace  
2910-2894     2910-2894 2259-2279 Bird depth out of spec Bird C7-4
2909-2891     2909-2891 2280-2299 Bird depth out of spec Bird C7-5
2907-2901     2907-2901 2627-2643 Bird depth out of spec Bird C8-4
2890-2884     2890-2884 2151, 2167, 2183, 2199 Seismic data parity errors Parity on streamer 6
2664-2659     2664-2659 2259-2275 Bird depth out of spec Bird C7-4
2660-2649     2660-2649 2627-2643 Bird depth out of spec Bird C8-4
2660-2644     2660-2644 2616-2660 Noisy Trace(s) Monowing wash
2655-2648     2655-2648 2283-2299 Bird depth out of spec Bird C7-5
2646-2641     2646-2641 2651-2667 Bird depth out of spec Bird C8-5
2597-2581     2597-2581 2614-2662 Noisy Trace(s) Monowing wash
2530-2522     2530-2522 2259-2279 Bird depth out of spec Bird C7-4
2530-2504     2530-2504 2280-2299 Bird depth out of spec Bird C7-5
2528-2515     2528-2515 2627-2643 Bird depth out of spec Bird C8-4
2528-2501     2528-2501 2659-2613 Noisy Trace(s) Monowing wash
2521-2504     2521-2504 2651-2662 Bird depth out of spec Bird C8-5
2513-2504     2513-2504 2307-2323 Bird depth out of spec Bird C7-6
2465-2454     2465-2454 2623-2677 Noisy Trace(s) Monowing wash
2429-2425     2429-2425 2635-2664 Noisy Trace(s) Monowing wash
2412-2400     2412-2400 2636-2658 Noisy Trace(s) Monowing wash
2404-2390     2404-2390 2259-2279 Bird depth out of spec Bird C7-4
2402-2394     2402-2394 2280-2299 Bird depth out of spec Bird C7-5
2390-2374     2390-2374 2600-2658 Noisy Trace(s) Monowing wash
1838-1837     1838-1837 1841, 1844, 1846, 1852, 1855 Seismic data parity errors Parity on streamer 6
1798     1798 1954-1984 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476, 2782 Weak Trace(s) Trace signal less than -6dB of nominal value
2969-2950     2969-2950 2283-2299 Bird depth out of spec Bird C7-5
2956-2952     2956-2952 2651-2667 Bird depth out of spec Bird C8-5
2910-2906     2910-2906 2235-2251 Bird depth out of spec Bird C7-3
2906-2905     2906-2905 2603-2619 Bird depth out of spec Bird C8-3
2904-2902     2904-2902 2235-2251 Bird depth out of spec Bird C7-3
2903-2891     2903-2891 2651-2667 Bird depth out of spec Bird C8-5
2657-2647     2657-2647 2651-2667 Bird depth out of spec Bird C8-5
2644-2635     2644-2635 2259-2275 Bird depth out of spec Bird C7-4
2592-2562     2592-2562 2259-2275 Bird depth out of spec Bird C7-4
2544-2531     2544-2531 2651-2662 Bird depth out of spec Bird C8-5
2510-2498     2510-2498 2675-2691 Bird depth out of spec Bird C8-6
2503-2478     2503-2478 2283-2299 Bird depth out of spec Bird C7-5
2487-2474     2487-2474 2675-2691 Bird depth out of spec Bird C8-6
2486-2468     2486-2468 2699-2715 Bird depth out of spec Bird C8-7
2468-2451     2468-2451 2307-2323 Bird depth out of spec Bird C7-6
2462-2453     2462-2453 2259-2275 Bird depth out of spec Bird C7-4
2439-2421     2439-2421 2307-2323 Bird depth out of spec Bird C7-6
2423-2411     2423-2411 2283-2299 Bird depth out of spec Bird C7-5
2420-2393     2420-2393 2651-2667 Bird depth out of spec Bird C8-5
2407-2391     2407-2391 2675-2691 Bird depth out of spec Bird C8-6
2399-2396     2399-2396 2307-2323 Bird depth out of spec Bird C7-6
2393-2376     2393-2376 2283-2299 Bird depth out of spec Bird C7-5
2390-2376     2390-2376 2307-2323 Bird depth out of spec Bird C7-6
2388-2368     2388-2368 2627-2643 Bird depth out of spec Bird C8-4
2384-2375     2384-2375 2259-2275 Bird depth out of spec Bird C7-4
2376-2362     2376-2362 2651-2667 Bird depth out of spec Bird C8-5
2359-2348     2359-2348 2307-2323 Bird depth out of spec Bird C7-6
2355-2342     2355-2342 2331-2347 Bird depth out of spec Bird C7-7
2355-2344     2355-2344 2651-2667 Bird depth out of spec Bird C8-5
2352-2342     2352-2342 2627-2643 Bird depth out of spec Bird C8-4
2346-2329     2346-2329 2675-2691 Bird depth out of spec Bird C8-6
2334-2322     2334-2322 2627-2643 Bird depth out of spec Bird C8-4
2291-2279     2291-2279 2651-2667 Bird depth out of spec Bird C8-5
2289-2272     2289-2272 2283-2299 Bird depth out of spec Bird C7-5
2284-2282     2284-2282 2651-2667 Bird depth out of spec Bird C8-4
2276-2266     2276-2266 2651-2667 Bird depth out of spec Bird C8-4
2273-2263     2273-2263 2651-2667 Bird depth out of spec Bird C8-5
2252-2239     2252-2239 2651-2667 Bird depth out of spec Bird C8-5
2251-2227     2251-2227 2675-2691 Bird depth out of spec Bird C8-6
2248-2238     2248-2238 2699-2715 Bird depth out of spec Bird C8-7
Comment
Shot(s)     File(s) Trace(s) Type Remark
3050     3050 ALL FGSP First good shot point for coverage


 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 12:17:49utc 19-Mar-2002