ACQUISITION REPORT Sequence-0037
 Survey:  
  Client Bass Strait Oil Company
  Area Vic/P42 Gippsland Basin
  Vessel GECO_BETA
  JobNumber 9226
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename VP421488P037
  Preplot VP421488
  Direction 193.0°
  SOL Date 03:37:24utc 05-Aug-2002
  EOL Date 06:22:57utc 05-Aug-2002
 Attributes:  
   Wind Force 8.0 [knots] Dir NNE
   Swell Height 1.5 [meters] Dir SW
   Propellor rpm 135 [avg]  
   Propellor pitch 89 [avg]  
       
  SOL EOL  
   Waterdepth 60.0 65.0 [meters]
   Bottomspeed  4.7 4.7 [knots]
   Featherangle port -5.8 0.0 [deg]
   Cable noise 7.66 6.4 [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)   1643 - 1644  
   SOL Dummy Record(s) 1645 - 1654 1645 - 1654 03:36:06 - 03:37:16
   FSP Start of Line 1655 1655 03:37:24
   MSP      
   LSP End of Line 2895 2895 06:22:57
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2896 - 2897  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1655 - 2895 1655 - 2895 03:37:24-06:22:57 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 8.0 mtr    
   Recording QC Frontsheet Set 1. Gundepth calibrated at atmospheric pressure 1032mB, pressure now 1022mB. High noise value, bend in cables @ SOL d/t short run-in.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1643 - 2072 1643 - 2072 1 146  
  2073 - 2502 2073 - 2502 2 147  
  2503 - 2897 2503 - 2897 1 148  
Stream 2
   Shot(s) Files Deck Reel Remark
  1643 - 2072 1643 - 2072 4 146  
  2073 - 2502 2073 - 2502 3 147  
  2503 - 2897 2503 - 2897 4 148  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 109 Killed traces  
ALL     ALL 1657 Spiking Trace(s)  
ALL     ALL 161, 304 Noisy Trace(s)  
2020     2020 ALL External header lost  
2513     2513 ALL External header lost  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1492, 2497 Weak Trace(s) Trace signal less than -6dB of nominal value
1710     1710 ALL Gun timing error Gun 5-3 error (ms) : 1.1
1716     1716 ALL Gun timing error Gun 5-3 error (ms) : 1.4
1776     1776 ALL Gun timing error Gun 5-3 error (ms) : 1.1
1834     1834 ALL Gun timing error Gun 4-5 error (ms) : -1.1
1890     1890 ALL Gun timing error Gun 5-3 error (ms) : 1.2
1902     1902 ALL Gun timing error Gun 5-3 error (ms) : 1.1
1911-1921     1911-1921 NONE Bird depth out of spec Bird C2-5
1925-1936     1925-1936 NONE Bird depth out of spec Bird C2-6
1926     1926 ALL Gun timing error Gun 5-3 error (ms) : 1.1
1930-1942     1930-1942 NONE Bird depth out of spec Bird C2-7
1996     1996 ALL Gun timing error Gun 5-3 error (ms) : 1.2
2220     2220 ALL Gun timing error Gun 5-3 error (ms) : 1.3
2316     2316 ALL Gun timing error Gun 5-3 error (ms) : 1.2
2322     2322 ALL Gun timing error Gun 5-3 error (ms) : 1.2
2408     2408 ALL Gun timing error Gun 5-3 error (ms) : 1.1
2414     2414 ALL Gun timing error Gun 5-3 error (ms) : 1.2
2442     2442 ALL Gun timing error Gun 5-3 error (ms) : 1.1
2454     2454 ALL Gun timing error Gun 5-3 error (ms) : 1.3
2470     2470 ALL Gun timing error Gun 5-3 error (ms) : 1.1
2562     2562 ALL Gun timing error Gun 4-5 error (ms) : 1.1
2672     2672 ALL Gun timing error Gun 5-3 error (ms) : 1.1
2708     2708 ALL Gun timing error Gun 5-3 error (ms) : 1.1
2718     2718 ALL Gun timing error Gun 5-3 error (ms) : 1.1
2724     2724 ALL Gun timing error Gun 5-3 error (ms) : 1.2
2748     2748 ALL Gun timing error Gun 5-3 error (ms) : 1.1
2872     2872 ALL Gun timing error Gun 5-3 error (ms) : 1.1
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 05:34:17utc 06-Aug-2002