ACQUISITION REPORT Sequence-0373
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4320B373
  Preplot G01A4320
  Direction 18.0°
  SOL Date 18:53:13utc 22-Apr-2002
  EOL Date 00:53:46utc 23-Apr-2002
 Attributes:  
   Wind Force 12.0 [knots] Dir SE
   Swell Height 1.5 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 95 [avg]  
       
  SOL EOL  
   Waterdepth 92.0 46.0 [meters]
   Bottomspeed  4.7 4.3 [knots]
   Featherangle port -5.5 sb +1.0 [deg]
   Cable noise 37.5 5.6 [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)   1628 - 1629  
   SOL Dummy Record(s) 1630 - 1659 1630 - 1659 18:48:41 - 18:53:06
   FSP Start of Line 1660 1660 18:53:13
   MSP 3925 3925 23:59:57
   LSP End of Line 4306 4306 00:53:46
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4307 - 4308  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1660 - 1999 1660 - 1999 18:53:13-19:37:26 Prime 16 Scratched Dt. rig obstruction
    2000 - 4306 2000 - 4306 19:37:34-00:53:46 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1019mB, pressure now 1018mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP. Turn noise at SOL noise records    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1628 - 2057 1628 - 2057 1 1570  
  2058 - 2487 2058 - 2487 2 1571  
  2488 - 2917 2488 - 2917 1 1572  
  2918 - 3347 2918 - 3347 2 1573  
  3348 - 3777 3348 - 3777 1 1574  
  3778 - 4207 3778 - 4207 1 1575  
  4208 - 4308 4208 - 4308 2 1576  
Stream 2
   Shot(s) Files Deck Reel Remark
  1628 - 2057 1628 - 2057 3 1570  
  2058 - 2487 2058 - 2487 4 1571  
  2488 - 2917 2488 - 2917 3 1572  
  2918 - 3347 2918 - 3347 4 1573  
  3348 - 3777 3348 - 3777 3 1574  
  3778 - 4207 3778 - 4207 4 1575  
  4208 - 4308 4208 - 4308 3 1576  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 744 Killed traces  
ALL     ALL 1476 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 2265, 1801, 1553, 11, 2355-2356, 1797 Spiking Trace(s)  
ALL     ALL 1159, 2871, 2827, 1857 Noisy Trace(s)  
3025-3032     3025-3032 2675-2691 Bird depth out of spec Bird C8-6, max depth 9.5m
3052-3058     3052-3058 2651-2667 Bird depth out of spec Bird C8-5, max depth 9.4m
3072-3076     3072-3076 2675-2691 Bird depth out of spec Bird C8-6, max depth 9.3m
3113-3118     3113-3118 2651-2667 Bird depth out of spec Bird C8-5, max depth 9.3m
3129-3147     3129-3147 2675-2691 Bird depth out of spec Bird C8-6, max depth 9.8m
3505-3521     3505-3521 2675-2691 Bird depth out of spec Bird C8-6, max depth 10.1m
3582-3598     3582-3598 2675-2691 Bird depth out of spec Bird C8-6, max depth 9.8m
3606-3654     3606-3654 2586-2709 Monowing wash Low frequency, high amplitude noise due to monowing wash
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-17, 20, 22, 369-385, 388-390, 405, 1105-1113, 1125-1126, 1130-1131, 1134-1135, 1473, 1481, 1484, 1489, 1841-1857, 1860, 1864, 1873, 2209-2226, 2229-2232, 2239, 2577, 2584-2589, 2591, 2602 Slope alarm > 5% of total line
ALL     ALL 2195-2208 Bird comunication Bird C6-17 dead
2085-2098     2085-2098 2059-2075 Bird depth out of spec Bird C6-11
2233     2233 ALL Gun timing error Gun 1-2 error (ms) : -1.8
2561-2579     2561-2579 2155-2171 Bird depth out of spec Bird C6-15
2783-2810     2783-2810 2675-2691 Bird depth out of spec Bird C8-6
2787-2797     2787-2797 2651-2667 Bird depth out of spec Bird C8-5
2796-2807     2796-2807 2331-2347 Bird depth out of spec Bird C7-7
2818-2840     2818-2840 2675-2691 Bird depth out of spec Bird C8-6
2845-2855     2845-2855 2627-2643 Bird depth out of spec Bird C8-4
2859-2872     2859-2872 2627-2643 Bird depth out of spec Bird C8-4
2933-2943     2933-2943 2675-2691 Bird depth out of spec Bird C8-6
2973-2983     2973-2983 2675-2691 Bird depth out of spec Bird C8-6
3000-3018     3000-3018 2651-2667 Bird depth out of spec Bird C8-5
3092-3101     3092-3101 2331-2347 Bird depth out of spec Bird C7-7
3136-3149     3136-3149 2307-2323 Bird depth out of spec Bird C7-6
3348-3360     3348-3360 2059-2075 Bird depth out of spec Bird C6-11
Comment
Shot(s)     File(s) Trace(s) Type Remark
2000     2000 ALL   FGSP : First Good Shot Point


 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 01:49:45utc 23-Apr-2002