ACQUISITION REPORT Sequence-002
 Survey:  
  Client Bass Strait Oil Company
  Area Vic/42, GIPPSLAND BASIN
  Vessel GECO BETA
  JobNumber 9226
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename VP421008P002
  Preplot VP421008
  Direction 193
  SOL Date 07:43:16utc 28-Jul-2002
  EOL Date 13:10:13utc 28-Jul-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir N
   Swell Height 0.5 [meters] Dir NE
   Propellor rpm 126 [avg]  
   Propellor pitch 95 [avg]  
       
  SOL EOL  
   Waterdepth 65.0 67.0 [meters]
   Bottomspeed  4.0 3.96 [knots]
   Featherangle port -6.3 sb +3.6 [deg]
   Cable noise 8.3 6.8 [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 -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)      
   SOL Dummy Record(s)      
   FSP Start of Line 1001 1001 07:43:16
   MSP      
   LSP End of Line 2960 2960 13:10:13
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2961  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1001 - 2960 1001 - 2960 07:43:16 - 13:10:13 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 8.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 1. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1022mB. Str 6 Bird 12 reading bad depth. Str 6 Bird 11 intermittent communication.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  0969 - 1398 0969 - 1398 2 007  
  1399 - 1828 1399 - 1828 1 008  
  1829 - 2258 1829 - 2258 2 009  
  2259 - 2688 2259 - 2688 1 010  
  2689 - 2926 2689 - 2926 2 011  
Stream 2
   Shot(s) Files Deck Reel Remark
  0969 - 1398 0969 - 1398 3 007  
  1399 - 1828 1399 - 1828 4 008  
  1829 - 2258 1829 - 2258 3 009  
  2259 - 2688 2259 - 2688 4 010  
  2689 - 2962 2689 - 2962 3 011  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
1133-1143     1133-1143 2259-2299 Bird depth out of spec(s) Bird C7-4 and C7-5 occassionally deep, 10.4m
Warning
Shot(s)     File(s) Trace(s) Type Remark
1130-1149     1130-1149 2259-2275 Bird depth out of spec Bird C7-4
1132-1153     1132-1153 2283-2299 Bird depth out of spec Bird C7-5
1137-1151     1137-1151 2307-2323 Bird depth out of spec Bird C7-6
1142-1152     1142-1152 2331-2347 Bird depth out of spec Bird C7-7
1156-1169     1156-1169 2651-2667 Bird depth out of spec Bird C8-5
1195-1210     1195-1210 369-373 Bird depth out of spec Bird C2-1
1184     1184 ALL Gun timing error Gun 5-3 error (ms) : 1.1
1414     1414 ALL Gun timing error Gun 5-4 error (ms) : 1.1
1466     1466 ALL Gun timing error Gun 5-3 error (ms) : -1.1
1948     1948 ALL Gun timing error Gun 5-3 error (ms) : 1.1
2186     2186 ALL Gun timing error Gun 5-4 error (ms) : 1.6
2272     2272 ALL Gun timing error Gun 5.4 error (ms) : 1.4
2308     2308 ALL Gun timing error Gun 5-4 error (ms) : 1.9
2314     2314 ALL Gun timing error Gun 5-4 error (ms) : 1.4
2338     2338 ALL Gun timing error Gun 5-4 error (ms) : 1.4
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 04:33:23utc 19-Dec-2001