ACQUISITION REPORT Sequence-0374
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3968B374
  Preplot G01A3968
  Direction 198.0°
  SOL Date 05:04:13utc 23-Apr-2002
  EOL Date 09:12:38utc 23-Apr-2002
 Attributes:  
   Wind Force 8.0 [knots] Dir E
   Swell Height 2.0 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 49.0 61.2 [meters]
   Bottomspeed  4.5 5.0 [knots]
   Featherangle sb +4.3 sb +7.3 [deg]
   Cable noise 9.0 19.0 [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
0 STBD -345.0 25.0 -6.0 0.0 0 0
0 STBD -345.0 -25.0 -6.0 0.0 0 0

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)      
   FSP Start of Line 3858 3858 05:04:13
   MSP      
   LSP End of Line 1900 1900 09:12:38
   EOL Dummy Record(s)      
   EOL Noise Record(s)      
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3858 - 3801 3858 - 3801 05:04:13-05:11:54 Reshoot 16 Scratched NTBP dt Streamer Depths
    3800 - 1900 3800 - 1900 05:12:02-09:12:38 Reshoot 16 Valid  
 Remarks:      
   Navigation Streamer depth 7.0m, SP1940-1900 traces edits due to turn noise, No EOL noise due to turn    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1019mB, pressure now 1015mB. 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
  3858 - 3428 3858 - 3428 2 1577  
  3427 - 2998 3427 - 2998 1 1578  
  2997 - 2568 2997 - 2568 2 1579  
  2567 - 2138 2567 - 2138 1 1580  
  2137 - 1900 2137 - 1900 2 1581  
Stream 2
   Shot(s) Files Deck Reel Remark
  3858 - 3428 3858 - 3428 4 1577  
  3427 - 2998 3427 - 2998 3 1578  
  2997 - 2568 2997 - 2568 4 1579  
  2567 - 2138 2567 - 2138 3 1580  
  2137 - 1900 2137 - 1900 4 1581  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 744 Killed Trace(s)  
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 11, 1553, 1797, 1801, 2265 Spiking Trace(s)  
ALL     ALL 1159, 1857, 1827, 2871 Noisy Trace(s)  
3588-3561     3588-3561 49-89 Monowing wash Low frequency, high amplitude noise due to monowing wash
3348-3324     3348-3324 99-115 Bird depth out of spec Bird C1-6
3345-3340     3345-3340 75-91 Bird depth out of spec Bird C1-5
3334-3315     3334-3315 123-139 Bird depth out of spec Bird C1-7
3270-3262     3270-3262 99-115 Bird depth out of spec Bird C1-6
3256-3250     3256-3250 123-139 Bird depth out of spec Bird C1-7
2696-2692     2696-2692 51-67 Bird depth out of spec Bird C1-4
2696-2679     2696-2679 43-104 Monowing wash Low frequency, high amplitude noise due to monowing wash
2652-2637     2652-2637 50-106 Monowing wash Low frequency, high amplitude noise due to monowing wash
2648-2631     2648-2631 51-67 Bird depth out of spec Bird C1-4
2641-2619     2641-2619 75-91 Bird depth out of spec Bird C1-5
2641-2637     2641-2637 99-115 Bird depth out of spec Bird C1-6
2631-2616     2631-2616 99-115 Bird depth out of spec Bird C1-6
2629-2624     2629-2624 443-459 Bird depth out of spec Bird C2-5
2627-2621     2627-2621 491-507 Bird depth out of spec Bird C2-7
2622-2611     2622-2611 467-483 Bird depth out of spec Bird C2-6
2616-2610     2616-2610 123-139 Bird depth out of spec Bird C1-7
2608-2602     2608-2602 491-507 Bird depth out of spec Bird C2-7
2594-2593     2594-2593 539-555 Bird depth out of spec Bird C2-9
1940-1900     1940-1900 1-99 Noisy Trace(s) Trace edits due to turn noise
1940-1900     1940-1900 369-467 Noisy Trace(s) Trace edits due to turn noise
1940-1900     1940-1900 737-835 Noisy Trace(s) Trace edits due to turn noise
1940-1900     1940-1900 1105-1203 Noisy Trace(s) Trace edits due to turn noise
1940-1900     1940-1900 1473-1571 Noisy Trace(s) Trace edits due to turn noise
1940-1900     1940-1900 1841-1939 Noisy Trace(s) Trace edits due to turn noise
1940-1900     1940-1900 2209-2307 Noisy Trace(s) Trace edits due to turn noise
1940-1900     1940-1900 2577-2675 Noisy Trace(s) Trace edits due to turn noise
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 195-211 Intermittant Communication Intermittant Communication Bird C1-10
ALL     ALL 2195-2208 No Communication Bird C6-17 dead
ALL     ALL 1-14, 16-17, 20, 22-23, 33, 369-385, 388, 390, 405, 1105-1116, 1121-1126, 1129-1135, 1473, 1481-1485, 1487, 1489, 1841-1857, 1860-1862, 1864, 1866-1867, 1873, 2209-2226, 2229, 2232, 2577-2579, 2581-2589, 2602 Slope alarm > 5% of total line
3587-3575     3587-3575 51-67 Bird depth out of spec Bird C1-4
3570-3558     3570-3558 75-91 Bird depth out of spec Bird C1-5
3559-3551     3559-3551 99-115 Bird depth out of spec Bird C1-6
3339-3335     3339-3335 75-91 Bird depth out of spec Bird C1-5
3322-3312     3322-3312 491-507 Bird depth out of spec Bird C2-7
3268-3257     3268-3257 123-139 Bird depth out of spec Bird C1-7
3246-3221     3246-3221 99-115 Bird depth out of spec Bird C1-6
3206-3191     3206-3191 123-139 Bird depth out of spec Bird C1-7
3193-3172     3193-3172 147-163 Bird depth out of spec Bird C1-8
2696-2675     2696-2675 75-91 Bird depth out of spec Bird C1-5
2626-2617     2626-2617 123-139 Bird depth out of spec Bird C1-7
2620-2609     2620-2609 491-507 Bird depth out of spec Bird C2-7
2592-2586     2592-2586 539-555 Bird depth out of spec Bird C2-9
2489-2474     2489-2474 99-115 Bird depth out of spec Bird C1-6
2487-2478     2487-2478 75-91 Bird depth out of spec Bird C1-5
2479     2479 ALL Gun timing error Gun 1-2 error (ms) : -1.9
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 12:48:42utc 25-Apr-2002