ACQUISITION REPORT Sequence-0264
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1216J264
  Preplot G01A1216
  Direction 18.0°
  SOL Date 15:38:25utc 08-Feb-2002
  EOL Date 18:27:40utc 08-Feb-2002
 Attributes:  
   Wind Force 20.0 [knots] Dir SSW
   Swell Height 1.5 [meters] Dir SSW
   Propellor rpm 122 [avg]  
   Propellor pitch 82 [avg]  
       
  SOL EOL  
   Waterdepth 33.0 16.0 [meters]
   Bottomspeed  4.6 4.5 [knots]
   Featherangle sb +7.0 sb +2.6 [deg]
   Cable noise 7.3 9.0 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]
   Port Volume 3452 3452  
   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)   995 - 996  
   SOL Dummy Record(s) 997 - 1026 997 - 1026 15:34:33 - 15:38:17
   FSP Start of Line 1027 1027 15:38:25
   MSP      
   LSP End of Line 2300 2300 18:27:40
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2489 - 2490  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1027 - 2300 1027 - 2300 15:38:25-18:27:40 Infill 16 Valid  
 Remarks:      
   Navigation Streamer depth 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1004mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. Array 5 gun 7 disabled from SOL    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  995 - 1424 995 - 1424 2 1073  
  1425 - 1854 1425 - 1854 1 1074  
  1855 - 2284 1855 - 2284 2 1075  
  2285 - 2490 2285 - 2490 1 1076  
Stream 2
   Shot(s) Files Deck Reel Remark
  995 - 1424 995 - 1424 4 1073  
  1425 - 1854 1425 - 1854 3 1074  
  1855 - 2284 1855 - 2284 3 1075  
  2285 - 2490 2285 - 2490 4 1076  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1855 Killed traces  
ALL     ALL 1476, 1633 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 2307, 2782 Spiking Trace(s)  
ALL     ALL 1495 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-13, 15-17, 369-380, 382, 390, 737-752, 1105-1113, 1473-1474, 1481, 2209-2220, 2222-2226, 2229, 2577, 2585-2589, 2591, 2602 Slope alarm > 5% of total line
1082     1082 ALL Gun timing error Gun 5-4 error (ms) : -1.4
1082     1082 2034 Crossfeed Occasionally fails crossfeed
1246-1267     1246-1267 1075-1091 Bird depth out of spec Bird C3-16
1249     1249 ALL Gun timing error Gun 2-3 error (ms) : -1.1
1388     1388 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1436     1436 ALL Gun timing error Gun 5-4 error (ms) : -1.3
1438     1438 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1456     1456 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1510     1510 ALL Gun timing error Gun 5-4 error (ms) : -1.3
1524     1524 ALL Gun timing error Gun 5-4 error (ms) : -1.5
1544     1544 ALL Gun timing error Gun 5-4 error (ms) : 1.3
1562     1562 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1618     1618 ALL Gun timing error Gun 5-4 error (ms) : -1.6
1758     1758 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1778     1778 ALL Gun timing error Gun 5-4 error (ms) : -1.3
1812     1812 ALL Gun timing error Gun 5-4 error (ms) : -1.6
1816     1816 ALL Gun timing error Gun 5-4 error (ms) : -1.5
1836     1836 ALL Gun timing error Gun 5-4 error (ms) : 1.1
1918     1918 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1920     1920 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1928     1928 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2002     2002 ALL Gun timing error Gun 5-4 error (ms) : -1.2
2024     2024 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2258     2258 ALL Gun timing error Gun 4-5 error (ms) : -1.1
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- ALL Gun disabled Gun 5-7. Source volume at shot 1027 : 3452 cu.in.


 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 20:09:30utc 08-Feb-2002