ACQUISITION REPORT Sequence-0248
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1536A248
  Preplot G01A1536
  Direction 198.0°
  SOL Date 10:59:40utc 01-Feb-2002
  EOL Date 14:39:39utc 01-Feb-2002
 Attributes:  
   Wind Force 15.0 [knots] Dir E
   Swell Height 2.0 [meters] Dir E
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 26.0 40.0 [meters]
   Bottomspeed  4.1 5.0 [knots]
   Featherangle port -2.8 sb +6.9 [deg]
   Cable noise 7.1 0.0 [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)   2732 - 2731  
   SOL Dummy Record(s) 2730 - 2721 2730 - 2721 10:58:14 - 10:59:31
   FSP Start of Line 2720 2720 10:59:40
   MSP      
   LSP End of Line 946 946 14:39:39
   EOL Dummy Record(s)      
   EOL Noise Record(s)   945 - 944  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2720 - 946 2720 - 946 10:59:40-14:39:39 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Bird 2-14 qc mask on ext header. Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1010mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. Occ swell noise seen on all cables. light parity errors cable 6.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2732 - 2303 2732 - 2303 2 1009  
  2302 - 1873 2302 - 1873 1 1010  
  1872 - 1443 1872 - 1443 1 1011  
  1442 - 1013 1442 - 1013 2 1012  
  1012 - 944 1012 - 944 1 1013  
Stream 2
   Shot(s) Files Deck Reel Remark
  2732 - 2303 2732 - 2303 3 1009  
  2302 - 1873 2302 - 1873 4 1010  
  1872 - 1443 1872 - 1443 3 1011  
  1442 - 1013 1442 - 1013 4 1012  
  1012 - 944 1012 - 944 4 1013  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
2098     2098 ALL Gun timing error Gun 5-4 error (ms) : -2.2
1602     1602 ALL Gun timing error Gun 5-2 error (ms) : 3.4
1600     1600 ALL Gun timing error Gun 5-2 error (ms) : 2.1
1494     1494 ALL Gun timing error Gun 5-2 error (ms) : 2.2
1467     1467 ALL Gun timing error Gun 1-2 error (ms) : -2.3
1296     1296 ALL Gun Timing Error Gun(s) 5-2 error 2.1 mS
1294     1294 ALL Gun timing error Gun 5-2 error (ms) : 3.5
1244     1244 ALL Gun timing error Gun 5-2 error (ms) : 2.0
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Fails Crossfeed  
2718-2704     2718-2704 NONE Bird depth out of spec Bird C4-13 max 8.3 mtrs
2676     2676 ALL Gun Timing Error Gun 5-4 (-1.5 ms)
2658     2658 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2608     2608 ALL Gun timing error Gun 5-2 error (ms) : 1.6
2556     2556 ALL Gun timing error Gun 5-4 error (ms) : -1.3
2494     2494 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2482-2377     2482-2377 NONE Bird depth out of spec Bird C2-10 max 9.2 mtrs (<5sp's for >9mtrs)
2466     2466 ALL Gun timing error Gun 5-4 error (ms) : -1.2
2438     2438 ALL Gun timing error Gun 5-4 error (ms) : -1.3
2388     2388 ALL Gun timing error Gun 5-4 error (ms) : -1.2
2226     2226 ALL Gun timing error Gun 5-4 error (ms) : -1.4
2210     2210 ALL Gun timing error Gun 5-4 error (ms) : -1.1
2174-2112     2174-2112 NONE Bird depth out of spec Bird C2-10 min 5.5 mtrs/max 8.7 mtrs
2147     2147 ALL Gun timing error Gun 2-6 error (ms) : -1.1
2096     2096 ALL Gun timing error Gun 5-4 error (ms) : -1.3
1921     1921 ALL Gun Timing Error Gun 2-6 (-1.1 ms)
1714-1703     1714-1703 NONE Bird depth out of spec Bird C4-13 max 8.3 mtrs
1614     1614 ALL Gun timing error Gun 5-4 error (ms) : -1.1
1602     1602 ALL Gun timing error Gun 5-4 error (ms) : -1.8
1492     1492 ALL Gun timing error Gun 5-2 error (ms) : 1.6
1404     1404 ALL Gun timing error Gun 5-4 error (ms) : -1.3
1336     1336 ALL Gun timing error Gun 5-2 error (ms) : 1.7
1296     1296 ALL Gun timing error Gun 5-4 error (ms) : -1.3
1290-1275     1290-1275 NONE Bird depth out of spec Bird C6-9 max 5.4 mtrs
1270     1270 ALL Gun timing error Gun 5-4 error (ms) : -1.2
1268     1268 ALL Gun timing error Gun 5-4 error (ms) : -1.2
1262     1262 ALL Gun timing error Gun 5-4 error (ms) : -1.4
1126     1126 ALL Gun timing error Gun 5-4 error (ms) : -1.7
1124     1124 ALL Gun timing error Gun 5-4 error (ms) : -1.3
980     980 ALL Gun timing error Gun 5-4 error (ms) : -1.5
956     956 ALL Gun timing error Gun 5-4 error (ms) : -1.3
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Streamer depth Bird 2-14 occ running shallow min 5.4 mtrs average 6 mtrs
ALL     ALL ALL Swell Noise Occ swell noise seen on all cabes approx 5-8%
ALL     ALL NONE Gun Depths All gun DI's erratic d/t swell


 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 21:02:56utc 01-Feb-2002