ACQUISITION REPORT Sequence-0422
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A4112A422
  Preplot G01A4112
  Direction 198.0°
  SOL Date 22:42:07utc 08-May-2002
  EOL Date 03:19:03utc 09-May-2002
 Attributes:  
   Wind Force 0.5 [knots] Dir NW
   Swell Height 1.0 [meters] Dir S
   Propellor rpm 122 [avg]  
   Propellor pitch 92 [avg]  
       
  SOL EOL  
   Waterdepth 47.0 68.0 [meters]
   Bottomspeed  5.0 4.8 [knots]
   Featherangle sb +1.7 0.0 [deg]
   Cable noise 4.6 20.9 [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)   4180 - 4179  
   SOL Dummy Record(s)      
   FSP Start of Line 4178 4178 22:42:07
   MSP 3563 3563 23:59:56
   LSP End of Line 1975 1975 03:19:03
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1974 - 1973  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    4178 - 1975 4178 - 1975 22:42:07-03:19:03 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 7m.    
   Recording QC Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1020mB. Low frequency strumming Str 6 channels 1841 - 1875. No dummy SP recorded. Side sweep present on records.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  4180 - 3751 4180 - 3751 1 1780  
  3750 - 3321 3750 - 3321 1 1781  
  3320 - 2891 3320 - 2891 2 1782  
  2890 - 2461 2890 - 2461 1 1783  
  2460 - 2031 2460 - 2031 1 1784  
  2030 - 1974 2030 - 1974 2 1785  
Stream 2
   Shot(s) Files Deck Reel Remark
  4180 - 3751 4180 - 3751 3 1780  
  3750 - 3321 3750 - 3321 4 1781  
  3320 - 2891 3320 - 2891 3 1782  
  2890 - 2461 2890 - 2461 4 1783  
  2460 - 2031 2460 - 2031 3 1784  
  2030 - 1974 2030 - 1974 4 1785  

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 337, 349, 1553, 791 Spiking Trace(s)  
ALL     ALL 1857 Noisy Trace(s)  
ALL     ALL- 744, 2764 Killed traces  
3913-3905     3913-3905 2627-2643 Bird depth out of spec Bird C8-4, max depth 9.4m
2978-2947     2978-2947 32-84 Monowing wash Low frequency, high amplitude noise due to monowing wash
2967-2956     2967-2956 51-67 Bird depth out of spec Bird C1-4, max depth 10.0m
2957-2953     2957-2953 401-425 Monowing wash Low frequency, high amplitude noise due to monowing wash
2929-2921     2929-2921 56-85 Monowing wash Low frequency, high amplitude noise due to monowing wash
2754-2745     2754-2745 2259-2275 Bird depth out of spec Bird C7-4, max depth 9.5m
2540-2461     2540-2461 1-80 Streamer noise Low frequency noise dt currents
2540-2461     2540-2461 369-449 Streamer noise Low frequency noise dt currents
2540-2461     2540-2461 737-817 Streamer noise Low frequency noise dt currents
2540-2461     2540-2461 1105-1185 Streamer noise Low frequency noise dt currents
2540-2461     2540-2461 1473-1553 Streamer noise Low frequency noise dt currents
2540-2461     2540-2461 1841-1921 Streamer noise Low frequency noise dt currents
2540-2461     2540-2461 2209-2289 Streamer noise Low frequency noise dt currents
2540-2461     2540-2461 2577-2944 Streamer noise Low frequency noise dt currents
2505-2438     2505-2438 81-135 Streamer noise Low frequency noise dt currents
2505-2438     2505-2438 450-504 Streamer noise Low frequency noise dt currents
2505-2438     2505-2438 818-872 Streamer noise Low frequency noise dt currents
2505-2438     2505-2438 1186-1240 Streamer noise Low frequency noise dt currents
2505-2438     2505-2438 1554-1608 Streamer noise Low frequency noise dt currents
2505-2438     2505-2438 1922-1976 Streamer noise Low frequency noise dt currents
2505-2438     2505-2438 2290-2344 Streamer noise Low frequency noise dt currents
2505-2438     2505-2438 2658-2712 Streamer noise Low frequency noise dt currents
2459-2413     2459-2413 136-180 Streamer noise Low frequency noise dt currents
2459-2413     2459-2413 505-549 Streamer noise Low frequency noise dt currents
2459-2413     2459-2413 873-917 Streamer noise Low frequency noise dt currents
2459-2413     2459-2413 1241-1285 Streamer noise Low frequency noise dt currents
2459-2413     2459-2413 1609-1653 Streamer noise Low frequency noise dt currents
2459-2413     2459-2413 1977-2021 Streamer noise Low frequency noise dt currents
2459-2413     2459-2413 2345-2389 Streamer noise Low frequency noise dt currents
2459-2413     2459-2413 2713-2757 Streamer noise Low frequency noise dt currents
2021-1975     2021-1975 1-95 Streamer noise Low frequency noise dt turn
2021-1975     2021-1975 369-463 Streamer noise Low frequency noise dt turn
2021-1975     2021-1975 737-831 Streamer noise Low frequency noise dt turn
2021-1975     2021-1975 1105-1199 Streamer noise Low frequency noise dt turn
2021-1975     2021-1975 1473-1567 Streamer noise Low frequency noise dt turn
2021-1975     2021-1975 1841-1935 Streamer noise Low frequency noise dt turn
2021-1975     2021-1975 2209-2303 Streamer noise Low frequency noise dt turn
2021-1975     2021-1975 2577-2671 Streamer noise Low frequency noise dt turn
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1316 PS test Fails PS test
3048-3037     3048-3037 51-67 Bird depth out of spec Bird C1-4
3043-3033     3043-3033 419-435 Bird depth out of spec Bird C2-4
2972-2960     2972-2960 443-459 Bird depth out of spec Bird C2-5
2758-2748     2758-2748 2283-2299 Bird depth out of spec Bird C7-5
2755-2731     2755-2731 2651-2667 Bird depth out of spec Bird C8-5
2746-2715     2746-2715 2283-2299 Bird depth out of spec Bird C7-5
2746-2731     2746-2731 2627-2643 Bird depth out of spec Bird C8-4
2744-2732     2744-2732 2259-2275 Bird depth out of spec Bird C7-4
2741-2721     2741-2721 2675-2691 Bird depth out of spec Bird C8-6
2721-2703     2721-2703 2259-2275 Bird depth out of spec Bird C7-4
2538-2515     2538-2515 2651-2667 Bird depth out of spec Bird C8-5
2536-2523     2536-2523 2627-2643 Bird depth out of spec Bird C8-4
2527-2512     2527-2512 2675-2691 Bird depth out of spec Bird C8-6
2483     2483 ALL Gun timing error Gun 1-2 error (ms) : -1.8
2375-2366     2375-2366 2259-2275 Bird depth out of spec Bird C7-4
Comment
Shot(s)     File(s) Trace(s) Type Remark
3492     3492 ALL Line information Increasing speed, pasing rigs
2079     2079 ALL Line Information Port turn to avoid rig


 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 04:34:17utc 09-May-2002