ACQUISITION REPORT Sequence-0318
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3920B318
  Preplot G01A3920
  Direction 198.0°
  SOL Date 08:33:35utc 14-Mar-2002
  EOL Date 11:00:18utc 14-Mar-2002
 Attributes:  
   Wind Force 6.0 [knots] Dir SSW
   Swell Height 1.0 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 53.0 61.0 [meters]
   Bottomspeed  4.6 4.68 [knots]
   Featherangle port -1.9 0.0 [deg]
   Cable noise 5.51 18.27 [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)   3422 - 3421  
   SOL Dummy Record(s) 3420 - 3411 3420 - 3411 08:32:17 - 08:33:27
   FSP Start of Line 3410 3410 08:33:35
   MSP      
   LSP End of Line 2310 2310 11:00:18
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2309 - 2309  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3410 - 2800 3410 - 2800 08:33:35-09:56:38 Reshoot 16 Valid LGSP 2800 due to swell
    2799 - 2310 2799 - 2310 09:56:47-11:00:18 Unknown 0 Scratched Scratched due to swell noise
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1017mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP. LGSP =2500 due to swell.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3422 - 2993 3422 - 2993 1 1307  
  2992 - 2563 2992 - 2563 2 1308  
  2562 - 2309 2562 - 2309 1 1309 only one noise file
Stream 2
   Shot(s) Files Deck Reel Remark
  3422 - 2993 3422 - 2993 3 1307  
  2992 - 2563 2992 - 2563 4 1308  
  2562 - 2309 2562 - 2309 3 1309 only one noise file

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL-2311 2599 Killed traces  
ALL     ALL 1657, 2389, 2600, 2641 Spiking Trace(s)  
ALL     ALL 2772 Noisy Trace(s)  
2801-2793     2801-2793 419-435 Bird depth out of spec Bird C2-4
2798-2797     2798-2797 51-67 Bird depth out of spec Bird C1-4
2778-2773     2778-2773 395-411 Bird depth out of spec Bird C2-3
2778-2764     2778-2764 419-435 Bird depth out of spec Bird C2-4
2770-2762     2770-2762 27-43 Bird depth out of spec Bird C1-3
2768-2755     2768-2755 51-67 Bird depth out of spec Bird C1-4
2758-2753     2758-2753 75-91 Bird depth out of spec Bird C1-5
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1476, 1633, 2782 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1 occasionally deep, 8.1 - 8.2m
3030-3011     3030-3011 75-91 Bird depth out of spec Bird C1-5
2814-2805     2814-2805 51-67 Bird depth out of spec Bird C1-4
2814-2802     2814-2802 419-435 Bird depth out of spec Bird C2-4
2800-2712     2800-2712 ALL   Current noise all streamers
2792-2779     2792-2779 419-435 Bird depth out of spec Bird C2-4
2772-2761     2772-2761 395-411 Bird depth out of spec Bird C2-3
2771-2769     2771-2769 51-67 Bird depth out of spec Bird C1-4
2768-2759     2768-2759 75-91 Bird depth out of spec Bird C1-5
2763-2755     2763-2755 419-435 Bird depth out of spec Bird C2-4
2761-2755     2761-2755 27-43 Bird depth out of spec Bird C1-3
2752-2743     2752-2743 75-91 Bird depth out of spec Bird C1-5
2660     2660 ALL Swell Noise Swell noise all streamers < 5%
2322-2310     2322-2310 NONE Bird depth out of spec Bird C7-4
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 11:52:20utc 14-Mar-2002