ACQUISITION REPORT Sequence-0469
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4704J469
  Preplot G01A4704
  Direction 18.0°
  SOL Date 00:43:27utc 05-Jun-2002
  EOL Date 06:22:14utc 05-Jun-2002
 Attributes:  
   Wind Force 17.0 [knots] Dir SW
   Swell Height 1.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 279.0 61.0 [meters]
   Bottomspeed  4.15 4.3 [knots]
   Featherangle sb +4.1 port -1.1 [deg]
   Cable noise 5.54 4.9 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]
   Port Volume 3542 3542  
   Stbd Volume 3542 3307  

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)   1803 - 1804  
   SOL Dummy Record(s) 1805 - 1814 1805 - 1814 00:42:01 - 00:43:19
   FSP Start of Line 1815 1815 00:43:27
   MSP      
   LSP End of Line 4322 4322 06:22:14
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4323 - 4325  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1815 - 4322 1815 - 4322 00:43:27-06:22:14 Reshoot 14 Valid  
 Remarks:      
   Navigation Streamer depth 7.0m    
   Recording QC ###Line shot using streamers 1-7 only###. LGSP for streamer 1 3520 D/T accoustics and streamer work to fix shark bite ### Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1014mB, pressure now 1034mB. Low frequency strumming Str 6 channels 1841 - 1875.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1803 - 2232 1803 - 2232 1 1903  
  2233 - 2662 2233 - 2662 1 1904  
  2663 - 3092 2663 - 3092 2 1905  
  3093 - 3522 3093 - 3522 1 1906  
  3523 - 3952 3523 - 3952 2 1907  
  3953 - 4325 3953 - 4325 1 1908  
Stream 2
   Shot(s) Files Deck Reel Remark
  1803 - 2232 1803 - 2232 3 1903  
  2233 - 2662 2233 - 2662 4 1904  
  2663 - 3092 2663 - 3092 3 1905  
  3093 - 3522 3093 - 3522 4 1906  
  3523 - 3952 3523 - 3952 3 1907  
  3953 - 4325 3953 - 4325 3 1908  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-5 Streamer depth Streamer depth out of spec, Bird C1-1 constantly deep to 13m (incorrect reading)
ALL     ALL 353, 377, 744, 2446 Killed traces  
ALL     ALL 2577-2944 Killed traces Streamer 8 NTBP
2344     2344 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2348     2348 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2356     2356 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2359     2359 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2406     2406 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2422     2422 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2438     2438 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2490     2490 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2501     2501 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2511     2511 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2514     2514 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2519     2519 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2523     2523 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2528     2528 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2536-2537     2536-2537 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2540     2540 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2543     2543 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2547     2547 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2548-2549     2548-2549 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2555     2555 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2561-2563     2561-2563 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2565-2566     2565-2566 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2568-2569     2568-2569 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2571-2572     2571-2572 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2575-2576     2575-2576 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2578-2579     2578-2579 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2582     2582 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2585     2585 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2598     2598 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2608-2609     2608-2609 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2615-2616     2615-2616 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2624     2624 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2629     2629 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2637     2637 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2654     2654 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2657     2657 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2871-2872     2871-2872 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
2874     2874 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
3019     3019 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
3050     3050 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
3104     3104 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
3140     3140 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
3159     3159 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
3165     3165 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
3171     3171 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
3210-3211     3210-3211 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
3249     3249 145-152, 249-256, 289-296 Streamer Earth Leakage Earth leakage affecting traces
3288-3322     3288-3322 315-368 Streamer depth Streamer depth out of spec, less than 5m.
3323-3520     3323-3520 291-368 Streamer depth Streamer depth out of spec, less than 5m.
3350-4322     3350-4322 1-368 Killed traces Streamer 1 NTBP dt acoustics & streamer work for shark attack
3551     3551 ALL Gun autofire Gun 1-2 at 2320ms and 4300 ms after aimpoint
3563     3563 ALL Gun autofire Gun 1-2 at 1930 ms after aimpoint
3567     3567 ALL Gun autofire Gun 1-2 at 2280 ms after aimpoint
3569     3569 ALL Gun not fired Gun 1-1. Source volume : 3307 cu.in.
Warning
Shot(s)     File(s) Trace(s) Type Remark
1915-1945     1915-1945 NONE Bird depth out of spec Bird C2-12
2229-2261     2229-2261 NONE Bird depth out of spec Bird C1-6
2239-2269     2239-2269 NONE Bird depth out of spec Bird C1-5
2271-2291     2271-2291 NONE Bird depth out of spec Bird C1-5
2271-2311     2271-2311 NONE Bird depth out of spec Bird C1-6
2293-2311     2293-2311 NONE Bird depth out of spec Bird C1-5
2318-2329     2318-2329 NONE Bird depth out of spec Bird C1-5
2617     2617 ALL Autofire Gun(s) 1-2 at 2460ms after aimpoint
3144     3144 ALL Gun timing error Gun 6-2 error (ms) : 1.6
3154-3155     3154-3155 NONE Bird depth out of spec Bird C2-11
3157-3189     3157-3189 NONE Bird depth out of spec Bird C2-11
3191-3255     3191-3255 NONE Bird depth out of spec Bird C2-11
3193     3193 ALL Gun timing error Gun 2-1 error (ms) : -1.6
3276-3283     3276-3283 NONE Bird depth out of spec Bird C1-5
3285-3315     3285-3315 NONE Bird depth out of spec Bird C2-11
3370-3384     3370-3384 NONE Bird depth out of spec Bird C2-11
3387-3399     3387-3399 NONE Bird depth out of spec Bird C1-3
3470-3482     3470-3482 NONE Bird depth out of spec Bird C1-2
3553     3553 ALL Gun timing error Gun 1-1 error (ms) : 1.7
3571     3571 ALL Gun timing error Gun 1-1 error (ms) : 1.8
3609-3628     3609-3628 NONE Bird depth out of spec Bird C2-11
3678-3694     3678-3694 NONE Bird depth out of spec Bird C2-12
4038-4089     4038-4089 NONE Bird depth out of spec Bird C2-11
4091-4120     4091-4120 NONE Bird depth out of spec Bird C2-11
4238-4268     4238-4268 NONE Bird depth out of spec Bird C2-11
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 337, 1545, 350 Spiking Trace(s)  
ALL     ALL 1857, 2943 Noisy Trace(s)  
ALL     ALL NONE No bird comms. Birds C1-4 C2-4 C8-18
3280     3280 1-368 Information Raising end of streamer 1 to change section
3520     3520 1-368 Information LGSP for streamer 1 dt acoustics
3565-3568     3565-3568 ALL Gun disabled Gun 1-1. Source volume at shot 3565 : 3307 cu.in.
3572-4323     3572- ALL Gun disabled Gun 1-2. Source volume at shot 3572 : 3307 cu.in.


 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 22:15:16utc 06-Jun-2002