ACQUISITION REPORT Sequence-0317
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170B
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3744B317
  Preplot G01A3744
  Direction 18.0°
  SOL Date 00:25:32utc 14-Mar-2002
  EOL Date 03:37:03utc 14-Mar-2002
 Attributes:  
   Wind Force 7.0 [knots] $(wind_dir)
   Swell Height 1.0 [meters] $(swell_dir)
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 60.0 53.0 [meters]
   Bottomspeed  4.3 4.8 [knots]
   Featherangle port -6.0 0.0 [deg]
   Cable noise 5.14 5.3 [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)   1695 - 1696  
   SOL Dummy Record(s) 1697 - 1726 1697 - 1726 00:21:15 - 00:25:23
   FSP Start of Line 1727 1727 00:25:32
   MSP      
   LSP End of Line 3129 3129 03:37:03
   EOL Dummy Record(s) 3130 - 3139 3130 - 3139 03:37:11 - 03:38:18
   EOL Noise Record(s)   3140 - 3141  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1727 - 3129 1727 - 3129 00:25:32-03:37:03 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m. NAVRT External Header Block defines Job No. 9170B    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1030mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. STB guns firing on ODD SP. Bird C7-1 occasionally deep, 8.1 - 8.2m    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1695 - 2124 1695 - 2124 1 1303  
  2125 - 2554 2125 - 2554 2 1304  
  2555 - 2984 2555 - 2984 1 1305  
  2985 - 3141 2985 - 3141 2 1306  
Stream 2
   Shot(s) Files Deck Reel Remark
  1695 - 2124 1695 - 2124 3 1303  
  2125 - 2554 2125 - 2554 4 1304  
  2555 - 2984 2555 - 2984 3 1305  
  2985 - 3141 2985 - 3141 4 1306  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2599 Killed Trace(s)  
ALL     ALL 1476, 1633, 1782 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1657, 2389, 2600, 2641 Spiking Trace(s)  
ALL     ALL- 2772 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2209-2213 Bird depth out of spec Bird C7-1 Occassionally deep, 8.1-8.3m
2122-2131     2122-2131 2209-2213 Bird depth out of spec Bird C7-1
2445-2455     2445-2455 2577-2581 Bird depth out of spec Bird C8-1
2467-2481     2467-2481 2209-2213 Bird depth out of spec Bird C7-1
2497-2498     2497-2498 2577-2581 Bird depth out of spec Bird C8-1
2527-2539     2527-2539 2577-2581 Bird depth out of spec Bird C8-1
2558-2569     2558-2569 2577-2581 Bird depth out of spec Bird C8-1
2560-2576     2560-2576 2209-2213 Bird depth out of spec Bird C7-1
2714-2723     2714-2723 2209-2213 Bird depth out of spec Bird C7-1
2727-2736     2727-2736 2577-2581 Bird depth out of spec Bird C8-1
2743-2752     2743-2752 2209-2213 Bird depth out of spec Bird C7-1
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 04:04:51utc 14-Mar-2002