ACQUISITION REPORT Sequence-0019
 Survey:  
  Client Bass Strait Oil Company
  Area Vic/P42 Gippsland Basin
  Vessel GECO_BETA
  JobNumber 9226
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename VP421120P019
  Preplot VP421120
  Direction 193.0°
  SOL Date 10:25:30utc 01-Aug-2002
  EOL Date 15:02:51utc 01-Aug-2002
 Attributes:  
   Wind Force 8.0 [knots] Dir N
   Swell Height 1.0 [meters] Dir E
   Propellor rpm 137 [avg]  
   Propellor pitch 90 [avg]  
       
  SOL EOL  
   Waterdepth 61.0 68.1 [meters]
   Bottomspeed  4.32 4.4 [knots]
   Featherangle port -5.2 sb +3.0 [deg]
   Cable noise 6.17 0.0 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]
   Filter Slope 18 18  
   Port Volume 3542.0 3542.0  
   Stbd Volume 3542.0 3542.0  

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 -7.0 3542.0 3 24
2 PORT -345.0 -25.0 -7.0 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 -8.0 4600 Nessie-3 12.5 368 0001-0368
2 STBD -520.0 250.0 -8.0 4600 Nessie-3 12.5 368 0369-0736
3 STBD -520.0 150.0 -8.0 4600 Nessie-3 12.5 368 0737-1104
4 STBD -520.0 50.0 -8.0 4600 Nessie-3 12.5 368 1105-1472
5 PORT -520.0 -50.0 -8.0 4600 Nessie-3 12.5 368 1473-1840
6 PORT -520.0 -150.0 -8.0 4600 Nessie-3 12.5 368 1841-2208
7 PORT -520.0 -250.0 -8.0 4600 Nessie-3 12.5 368 2209-2576
8 PORT -520.0 -350.0 -8.0 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)   1005 - 1006  
   SOL Dummy Record(s) 1007 - 1036 1007 - 1036 10:21:18 - 10:25:21
   FSP Start of Line 1037 1037 10:25:30
   MSP      
   LSP End of Line 2945 2945 15:02:51
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2946 - 2947  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1037 - 2945 1037 - 2945 10:25:30-15:02:51 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 8.0mtr.    
   Recording QC Frontsheet Set 1. Gundepth calibrated at atmospheric pressure 1032mB, pressure now 1023mB. Excessive Noise on SOL Noise record dt bend in cable from short run in.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1005 - 1434 1005 - 1434 2 81  
  1435 - 1864 1435 - 1864 1 82  
  1865 - 2294 1865 - 2294 2 83  
  2295 - 2724 2295 - 2724 1 84  
  2725 - 2947 2725 - 2947 2 85  
Stream 2
   Shot(s) Files Deck Reel Remark
  1005 - 1434 1005 - 1434 3 81  
  1435 - 1864 1435 - 1864 4 82  
  1865 - 2294 1865 - 2294 3 83  
  2295 - 2724 2295 - 2724 4 84  
  2725 - 2947 2725 - 2947 3 85  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 109 Killed traces  
ALL     ALL 161, 304 Noisy Trace(s)  
ALL     ALL 2497, 1492 Weak Trace(s) Trace signal less than -6dB of nominal value
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 369-373 Bird depth out of spec Bird C2-1 occasionally shallow 6.8 - 7.0m
1080     1080 ALL Gun timing error Gun 5-3 error (ms) : -1.2
1084     1084 ALL Gun timing error Gun 4-1 error (ms) : 1.8
1160     1160 ALL Gun timing error Gun 5-3 error (ms) : -1.2
1580     1580 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2370     2370 ALL Gun timing error Gun 5-3 error (ms) : -1.3
2400     2400 ALL Gun timing error Gun 5-3 error (ms) : -1.1
2436     2436 ALL Gun timing error Gun 5-3 error (ms) : -1.1
2512     2512 ALL Gun timing error Gun 5-3 error (ms) : -1.3
2648     2648 ALL Gun timing error Gun 5-3 error (ms) : -1.3
2652     2652 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2774     2774 ALL Gun timing error Gun 5-4 error (ms) : 1.1
2792     2792 ALL Gun timing error Gun 5-3 error (ms) : -1.2
2806     2806 ALL Gun timing error Gun 5-3 error (ms) : -1.2
2816     2816 ALL Gun timing error Gun 5-3 error (ms) : -1.2
2854     2854 ALL Gun timing error Gun 5-3 error (ms) : -1.2
2886     2886 ALL Gun timing error Gun 5-3 error (ms) : -1.1
2892     2892 ALL Gun timing error Gun 5-3 error (ms) : 1.3
2914     2914 ALL Gun timing error Gun 5-3 error (ms) : -1.4
2922     2922 ALL Gun timing error Gun 5-3 error (ms) : -1.3
2934     2934 ALL Gun timing error Gun 5-3 error (ms) : -1.3
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 01:17:29utc 02-Aug-2002