ACQUISITION REPORT Sequence-0200
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1872A200
  Preplot G01A1872
  Direction 198.0°
  SOL Date 04:02:36utc 17-Jan-2002
  EOL Date 08:31:50utc 17-Jan-2002
 Attributes:  
   Wind Force 22.0 [knots] Dir S
   Swell Height 2.0 [meters] Dir SE
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 0.0 44.0 [meters]
   Bottomspeed  4.6 4.3 [knots]
   Featherangle sb +5.9 port -1.7 [deg]
   Cable noise 5.7 5.5 [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)   3081 - 3080  
   SOL Dummy Record(s) 3079 - 3070 3079 - 3070 04:01:19 - 04:02:29
   FSP Start of Line 3069 3069 04:02:36
   MSP      
   LSP End of Line 1056 1056 08:31:50
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1055 - 1055  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3069 - 2470 3069 - 2470 04:02:36-05:20:53 Prime 16 Valid  
    2469 - 1557 2469 - 1557 05:21:01-07:22:27 Prime 0 Scratched NTBP d/t gun sub array 3 double pops.
    1556 - 1056 1556 - 1056 07:22:35-08:31:50 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1021mB, pressure now 1018mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. Birds 3-12 bad DT, 4-15 no comms. Occ swell noise seen approx 5%    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3081 - 2652 3081 - 2652 1 813  
  2651 - 2222 2651 - 2222 2 814  
  2221 - 1896 2221 - 1896 1 815  
  1895 - 1736 1895 - 1736 2 816  
  1735 - 1306 1735 - 1306 1 817  
  1305 - 1056 1305 - 1056 1 818  
Stream 2
   Shot(s) Files Deck Reel Remark
  3081 - 2652 3081 - 2652 3 813  
  2651 - 2222 2651 - 2222 4 814  
  2221 - 1896 2221 - 1896 3 815  
  1895 - 1736 1895 - 1736 4 816  
  1735 - 1306 1735 - 1306 3 817  
  1305 - 1056 1305 - 1056 4 818  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1255 Killed traces  
ALL     ALL 1853 Killed traces  
ALL     ALL 1159 Noisy Channel  
ALL     ALL 2641 Killed Traces  
1805     1805 ALL Gun timing error Gun 1-6 error (ms) : 12.3
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Fails Crossfeed  
ALL     ALL 4-5, 9, 369-371, 373, 737-738, 741, 744, 1105-1106, 2209-2219, 2223, 2577, 2585 Slope alarm > 5% of total line
3001     3001 ALL Gun timing error Gun 3-5 error (ms) : -1.2
1665     1665 NONE Bird depth out of spec Bird C7-4
1659     1659 NONE Bird depth out of spec Bird C7-4
1413     1413 ALL Gun timing error Gun 3-5 error (ms) : -1.1
1395     1395 ALL Gun timing error Gun 3-5 error (ms) : 1.1
1047-OPEN     OPEN ALL Parity error Command Line
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 08:48:15utc 21-Jan-2002