ACQUISITION REPORT Sequence-0040
 Survey:  
  Client Bass Strait Oil Company
  Area Vic/P42 Gippsland Basin
  Vessel GECO_BETA
  JobNumber 9226
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename VP421392P040
  Preplot VP421392
  Direction 13.0°
  SOL Date 20:52:40utc 05-Aug-2002
  EOL Date 23:55:45utc 05-Aug-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir N
   Swell Height 1.25 [meters] Dir ENE
   Propellor rpm 135 [avg]  
   Propellor pitch 90 [avg]  
       
  SOL EOL  
   Waterdepth 65.0 59.0 [meters]
   Bottomspeed  4.1 4.4 [knots]
   Featherangle port -5.6 sb +4.4 [deg]
   Cable noise 6.2 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)   2797 - 2796  
   SOL Dummy Record(s) 2795 - 2786 2795 - 2786 20:51:13 - 20:52:31
   FSP Start of Line 2785 2785 20:52:40
   MSP      
   LSP End of Line 1502 1502 23:55:45
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1501 - 1501  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2785 - 1502 2785 - 1502 20:52:40-23:55:45 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth 8.0 mtr    
   Recording QC Frontsheet Set 1. Gundepth calibrated at atmospheric pressure 1032mB, pressure now 1009mB.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2797 - 2368 2797 - 2368 2 157  
  2367 - 1938 2367 - 1938 1 158  
  1937 - 1508 1937 - 1508 1 159  
  1507 - 1502 1507 - 1502 2 160  
Stream 2
   Shot(s) Files Deck Reel Remark
  2797 - 2368 2797 - 2368 4 157  
  2367 - 1938 2367 - 1938 3 158  
  1937 - 1508 1937 - 1508 4 159  
  1507 - 1502 1507 - 1502 3 160  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL-1502 109 Killed traces  
ALL     ALL 161, 304 Noisy Traces  
ALL     ALL 2497, 1492 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 1657 Spiking Trace Occ Spiking
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-13, 15-17, 22, 369-381, 383, 737-745, 748, 1473, 1841-1855, 1857-1859, 1861-1862, 1864-1865, 2209-2235, 2577-2601, 2603-2607, 2611-2614, 2616 Slope alarm > 5% of total line
2702     2702 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2594     2594 ALL Gun timing error Gun 5-4 error (ms) : -1.2
2457     2457 ALL Gun timing error Gun 2-3 error (ms) : 1.1
2350     2350 ALL Gun timing error Gun 4-5 error (ms) : -1.1
2306     2306 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2261     2261 ALL Gun timing error Gun 2-3 error (ms) : -1.1
2183     2183 ALL Gun timing error Gun 2-3 error (ms) : -1.2
2163     2163 ALL Gun timing error Gun 2-3 error (ms) : -1.2
2135     2135 ALL Gun timing error Gun 2-3 error (ms) : -1.2
2113     2113 ALL Gun timing error Gun 2-3 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 10:05:25utc 06-Aug-2002