ACQUISITION REPORT Sequence-0206
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1520A206
  Preplot G01A1520
  Direction 198.0°
  SOL Date 04:40:14utc 19-Jan-2002
  EOL Date 08:18:43utc 19-Jan-2002
 Attributes:  
   Wind Force 10.0 [knots] Dir E
   Swell Height 1.0 [meters] Dir E
   Propellor rpm 122 [avg]  
   Propellor pitch 96 [avg]  
       
  SOL EOL  
   Waterdepth 21.0 39.0 [meters]
   Bottomspeed  5.1 4.8 [knots]
   Featherangle sb +1.8 port -1.6 [deg]
   Cable noise 5.6 6.1 [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)   2715 - 2714  
   SOL Dummy Record(s) 2713 - 2704 2713 - 2704 04:39:03 - 04:40:07
   FSP Start of Line 2703 2703 04:40:14
   MSP      
   LSP End of Line 944 944 08:18:43
   EOL Dummy Record(s)      
   EOL Noise Record(s)   943 - 942  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2703 - 944 2703 - 944 04:40:14-08:18:43 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7m    
   Recording QC Intermittant comms Bird 4-15. Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1018mB. All gun DI's erratic d/t swell SSE functions on TRISOR disabled, GUNPOS block NOT recorded.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2715 - 2286 2715 - 2286 1 846  
  2285 - 1856 2285 - 1856 2 847  
  1855 - 1426 1855 - 1426 1 848  
  1425 - 996 1425 - 996 2 849  
  995 - 942 995 - 942 1 850  
Stream 2
   Shot(s) Files Deck Reel Remark
  2715 - 2286 2715 - 2286 3 846  
  2285 - 1856 2285 - 1856 4 847  
  1855 - 1426 1855 - 1426 3 848  
  1425 - 996 1425 - 996 4 849  
  995 - 942 995 - 942 4 850  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1255 Killed traces  
ALL     ALL- 1853 Killed traces  
ALL     ALL 100, 2307, 2641 Spiking trace  
ALL     ALL 172 Noisy Channel  
1245     1245 ALL Gun timing error Gun 1-2 error (ms) : -2.0
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-9, 11-12, 369-374, 376-380, 737-749, 751-752, 1105-1113, 1126, 1473-1474, 1477-1485, 1487, 1489, 2209-2220, 2223-2225, 2577, 2584-2588, 2602 Slope alarm > 5% of total line
ALL     ALL 2034 Fails Crossfeed  
2509     2509 ALL Gun timing error Gun 3-5 error (ms) : -1.1
2439     2439 ALL Gun timing error Gun 3-5 error (ms) : -1.1
2371     2371 ALL Gun timing error Gun 3-5 error (ms) : -1.1
2367     2367 ALL Gun timing error Gun 3-5 error (ms) : -1.1
1941     1941 ALL Gun timing error Gun 3-5 error (ms) : 1.2
1907     1907 ALL Gun timing error Gun 3-5 error (ms) : 1.2
1427     1427 ALL Gun timing error Gun 3-5 error (ms) : -1.1
1423     1423 ALL Gun timing error Gun 3-5 error (ms) : -1.1
1395     1395 ALL Gun timing error Gun 3-5 error (ms) : -1.1
1347     1347 NONE Bird depth out of spec Bird C3-14
1342-1330     1342-1330 NONE Bird depth out of spec Bird C3-14
1259     1259 ALL Gun timing error Gun 3-5 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 09:14:13utc 19-Jan-2002